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Pietenpol-List: J-3 nose bowl and 72X42 heggy prop
Posted: Mon Nov 09, 1998 3:34 pm
by matronics
Original Posted By: Jim Sury
Beings I've put on the 0-290, myJ-3 nose bowl doen't fit anymore, soI'd like to sell it and my 72X42 heggy prop, anyone interested pleaseemail me...---"David B. Schober" wrote:>> 220 hp on a Piet! That must have had some climb performance.> > I've flown "A" powered, Corvair powered and A-65 powered Piets. TheCorvair and> "A" I flew solo and the A-65 dual. When I flew the A-65 powered Pietdual it was> early morning, summer, 400-500 foot field elevation. Climbperformance was about> the same or a little better than a Champ. I weigh about 220 and theperson with> me was about 130. I can sympothize with you about density altitudeand climb> performance. I've been hauling rides out of a 3200 ft elevationstrip here in WV> this summer. Thank God for tthe supercharger on the R985 or theHoward would have> had a hard time on those days with density altitudes over 5000'.> > To get the best performance out of the Piet is to keep the airframeas light as> possible. The structure is overbuilt for a low hp engine but withthe O-290 be> conservitive. The fact that you already added area to the verticlefin is good.> > Keep us posted on your progress.> > David Schober> > Eli or Robert or Teresa Bozeman wrote:> > > Davis B. Schober> > Back when I first built my aircamper I had lots of problems withvert.> > fin. I ended up adding 45 sq. inches to tail, this helped me out a> > hole lot. I've had it in 20 kts. strieght cross wind, don't recomend> > to get in such a x-wind but it can be done safely,in a pinch..> >> > Afew weeks ago a friend of mine put a 0-200 on his> > Piet. and what a differance that made, no more wondering if yourgoing> > to get over that wire or out of a short field> >> > as far as CG on Piet, when your building old Piet you can move the> > main wing for or aft to maintain propor CG> > For the lighter Cont 65 you aft aprox. 3 1/2-41/2" back, for heavey> > ford cabanes are strieght up and down> >> > I talk to members in the BPA about differant engines used on the> > Piet---anywhere from 39hp--------220hp.> > could use some more discussion on what I'm doing> >> > thanks Robert B.> >> > ---"David B. Schober" wrote:> > >> > > Robert,> > > If you are going to go from 65 hp to 125 hp you had better do some> > > calculations for stress and tail volume. The O-290 only weighs the> > same> > > as the Ford "A" but the added horsepower will put additionalstress on> > > the structure. The additional power will cause problems with> > directional> > > control unless you increase the verticle fin area.> > >> > > As far as your question about distance to prop flange, that> > dimension has> > > no relavence. The point you need to look for is the CG lacationof the> > > engine prop combination and mount the new engine at the same CG> > location.> > >> > > I hope this helps.> > >> > > David Schober> > >> > > Eli or Robert or Teresa Bozeman wrote:> > >> > > > Anyone, ever run out of power with a 65 Cont.? I have!!!!!!! I> > got a> > > > good deal on a 0-290G, and it wieghs the same as the model A244 lb.> > > > or so. Can any one tell me the distance from firewall to propflange> > > > on the moden A, I can't seem to find my prints.> > > > I've got 105.6hrs. on Piet and she realy flies great,> > > >> > > > Thanks much Robert Bozeman> > > >> > > > > > >> > >> > >> > > --> > >> > >> >> > >> > > David B.Schober, CPE> > > Instructor, Aviation Maintenance> > > Fairmont State College> > > National Aerospace Education Center> > > Rt. 3 Box 13> > > Bridgeport, WV 26330-9503> > > (304) 842-8300> > >> > >> > > When once you have tasted flight, you will always walk with youreyes> > > turned skyward, for there you have been and there you willalways be.> > >> > >> > >> >> > > > > > --> >> David B.Schober, CPE> Instructor, Aviation Maintenance> Fairmont State College> National Aerospace Education Center> Rt. 3 Box 13> Bridgeport, WV 26330-9503> (304) 842-8300> > > > > ________________________________________________________________________________
Pietenpol-List: Re: J-3 nose bowl and 72X42 heggy prop
Posted: Mon Nov 09, 1998 5:08 pm
by matronics
Original Posted By: fishin
What are you asking for the prop. Will it fir a C85-12 flanged crankshaft?jas>Beings I've put on the 0-290, myJ-3 nose bowl doen't fit anymore, so>I'd like to sell it and my 72X42 heggy prop, anyone interested please>email me...>>>---"David B. Schober" wrote:>>>> 220 hp on a Piet! That must have had some climb performance.>> >> I've flown "A" powered, Corvair powered and A-65 powered Piets. The>Corvair and>> "A" I flew solo and the A-65 dual. When I flew the A-65 powered Piet>dual it was>> early morning, summer, 400-500 foot field elevation. Climb>performance was about>> the same or a little better than a Champ. I weigh about 220 and the>person with>> me was about 130. I can sympothize with you about density altitude>and climb>> performance. I've been hauling rides out of a 3200 ft elevation>strip here in WV>> this summer. Thank God for tthe supercharger on the R985 or the>Howard would have>> had a hard time on those days with density altitudes over 5000'.>> >> To get the best performance out of the Piet is to keep the airframe>as light as>> possible. The structure is overbuilt for a low hp engine but with>the O-290 be>> conservitive. The fact that you already added area to the verticle>fin is good.>> >> Keep us posted on your progress.>> >> David Schober>> >> Eli or Robert or Teresa Bozeman wrote:>> >> > Davis B. Schober>> > Back when I first built my aircamper I had lots of problems with>vert.>> > fin. I ended up adding 45 sq. inches to tail, this helped me out a>> > hole lot. I've had it in 20 kts. strieght cross wind, don't recomend>> > to get in such a x-wind but it can be done safely,in a pinch..>> >>> > Afew weeks ago a friend of mine put a 0-200 on his>> > Piet. and what a differance that made, no more wondering if your>going>> > to get over that wire or out of a short field>> >>> > as far as CG on Piet, when your building old Piet you can move the>> > main wing for or aft to maintain propor CG>> > For the lighter Cont 65 you aft aprox. 3 1/2-41/2" back, for heavey>> > ford cabanes are strieght up and down>> >>> > I talk to members in the BPA about differant engines used on the>> > Piet---anywhere from 39hp--------220hp.>> > could use some more discussion on what I'm doing>> >>> > thanks Robert B.>> >>> > ---"David B. Schober" wrote:>> > >>> > > Robert,>> > > If you are going to go from 65 hp to 125 hp you had better do some>> > > calculations for stress and tail volume. The O-290 only weighs the>> > same>> > > as the Ford "A" but the added horsepower will put additional>stress on>> > > the structure. The additional power will cause problems with>> > directional>> > > control unless you increase the verticle fin area.>> > >>> > > As far as your question about distance to prop flange, that>> > dimension has>> > > no relavence. The point you need to look for is the CG lacation>of the>> > > engine prop combination and mount the new engine at the same CG>> > location.>> > >>> > > I hope this helps.>> > >>> > > David Schober>> > >>> > > Eli or Robert or Teresa Bozeman wrote:>> > >>> > > > Anyone, ever run out of power with a 65 Cont.? I have!!!!!!! I>> > got a>> > > > good deal on a 0-290G, and it wieghs the same as the model A>244 lb.>> > > > or so. Can any one tell me the distance from firewall to prop>flange>> > > > on the moden A, I can't seem to find my prints.>> > > > I've got 105.6hrs. on Piet and she realy flies great,>> > > >>> > > > Thanks much Robert Bozeman>> > > >>> > > > >> > >>> > >>> > >>> > > -->> > >>> > >>> >>> > >>> > > David B.Schober, CPE>> > > Instructor, Aviation Maintenance>> > > Fairmont State College>> > > National Aerospace Education Center>> > > Rt. 3 Box 13>> > > Bridgeport, WV 26330-9503>> > > (304) 842-8300>> > >>> > >>> > > When once you have tasted flight, you will always walk with your>eyes>> > > turned skyward, for there you have been and there you will>always be.>> > >>> > >>> > >>> >>> > >> >> >> >> -->> >>>> David B.Schober, CPE>> Instructor, Aviation Maintenance>> Fairmont State College>> National Aerospace Education Center>> Rt. 3 Box 13>> Bridgeport, WV 26330-9503>> (304) 842-8300>> >> >> >> >> > >>________________________________________________________________________________
Pietenpol-List: Re: J-3 nose bowl and 72X42 heggy prop
Posted: Mon Nov 09, 1998 6:45 pm
by matronics
Original Posted By: Graham Hansen
I'm interested in the J3 nosebowl, what are you asking for it???JoeC>Beings I've put on the 0-290, myJ-3 nose bowl doen't fit anymore, so>I'd like to sell it and my 72X42 heggy prop, anyone interested please>email me...>>>---"David B. Schober" wrote:>>>> 220 hp on a Piet! That must have had some climb performance.>> >> I've flown "A" powered, Corvair powered and A-65 powered Piets. The>Corvair and>> "A" I flew solo and the A-65 dual. When I flew the A-65 powered Piet>dual it was>> early morning, summer, 400-500 foot field elevation. Climb>performance was about>> the same or a little better than a Champ. I weigh about 220 and the>person with>> me was about 130. I can sympothize with you about density altitude>and climb>> performance. I've been hauling rides out of a 3200 ft elevation>strip here in WV>> this summer. Thank God for tthe supercharger on the R985 or the>Howard would have>> had a hard time on those days with density altitudes over 5000'.>> >> To get the best performance out of the Piet is to keep the airframe>as light as>> possible. The structure is overbuilt for a low hp engine but with>the O-290 be>> conservitive. The fact that you already added area to the verticle>fin is good.>> >> Keep us posted on your progress.>> >> David Schober>> >> Eli or Robert or Teresa Bozeman wrote:>> >> > Davis B. Schober>> > Back when I first built my aircamper I had lots of problems with>vert.>> > fin. I ended up adding 45 sq. inches to tail, this helped me out a>> > hole lot. I've had it in 20 kts. strieght cross wind, don't recomend>> > to get in such a x-wind but it can be done safely,in a pinch..>> >>> > Afew weeks ago a friend of mine put a 0-200 on his>> > Piet. and what a differance that made, no more wondering if your>going>> > to get over that wire or out of a short field>> >>> > as far as CG on Piet, when your building old Piet you can move the>> > main wing for or aft to maintain propor CG>> > For the lighter Cont 65 you aft aprox. 3 1/2-41/2" back, for heavey>> > ford cabanes are strieght up and down>> >>> > I talk to members in the BPA about differant engines used on the>> > Piet---anywhere from 39hp--------220hp.>> > could use some more discussion on what I'm doing>> >>> > thanks Robert B.>> >>> > ---"David B. Schober" wrote:>> > >>> > > Robert,>> > > If you are going to go from 65 hp to 125 hp you had better do some>> > > calculations for stress and tail volume. The O-290 only weighs the>> > same>> > > as the Ford "A" but the added horsepower will put additional>stress on>> > > the structure. The additional power will cause problems with>> > directional>> > > control unless you increase the verticle fin area.>> > >>> > > As far as your question about distance to prop flange, that>> > dimension has>> > > no relavence. The point you need to look for is the CG lacation>of the>> > > engine prop combination and mount the new engine at the same CG>> > location.>> > >>> > > I hope this helps.>> > >>> > > David Schober>> > >>> > > Eli or Robert or Teresa Bozeman wrote:>> > >>> > > > Anyone, ever run out of power with a 65 Cont.? I have!!!!!!! I>> > got a>> > > > good deal on a 0-290G, and it wieghs the same as the model A>244 lb.>> > > > or so. Can any one tell me the distance from firewall to prop>flange>> > > > on the moden A, I can't seem to find my prints.>> > > > I've got 105.6hrs. on Piet and she realy flies great,>> > > >>> > > > Thanks much Robert Bozeman>> > > >>> > > > >> > >>> > >>> > >>> > > -->> > >>> > >>> >>> > >>> > > David B.Schober, CPE>> > > Instructor, Aviation Maintenance>> > > Fairmont State College>> > > National Aerospace Education Center>> > > Rt. 3 Box 13>> > > Bridgeport, WV 26330-9503>> > > (304) 842-8300>> > >>> > >>> > > When once you have tasted flight, you will always walk with your>eyes>> > > turned skyward, for there you have been and there you will>always be.>> > >>> > >>> > >>> >>> > >> >> >> >> -->> >>>> David B.Schober, CPE>> Instructor, Aviation Maintenance>> Fairmont State College>> National Aerospace Education Center>> Rt. 3 Box 13>> Bridgeport, WV 26330-9503>> (304) 842-8300>> >> >> >> >> > >>________________________________________________________________________________
Pietenpol-List: Re: J-3 nose bowl and 72X42 heggy prop
Posted: Mon Nov 09, 1998 9:25 pm
by matronics
Original Posted By: Jerry Guyer
I am interested in your Hegy propeller. My son has a Pietenpolwith a Continental A65 and needs a propeller. Please E-mailme at ---indicating your price, location and phone number (if youhaven't sold it already). Thanks,Graham Hansen________________________________________________________________________________
Pietenpol-List: Re: J-3 nose bowl and 72X42 heggy prop
Posted: Tue Nov 10, 1998 8:04 am
by matronics
Original Posted By: Michael D Cuy
I am quite a distance away from needing aprop yet, but what amount of moneydoes it take to make you happy to ridof it?Eli or Robert or Teresa Bozeman wrote:> Beings I've put on the 0-290, myJ-3 nose bowl doen't fit anymore, so> I'd like to sell it and my 72X42 heggy prop, anyone interested please> email me...>> ---"David B. Schober" wrote:> >> > 220 hp on a Piet! That must have had some climb performance.> >> > I've flown "A" powered, Corvair powered and A-65 powered Piets. The> Corvair and> > "A" I flew solo and the A-65 dual. When I flew the A-65 powered Piet> dual it was> > early morning, summer, 400-500 foot field elevation. Climb> performance was about> > the same or a little better than a Champ. I weigh about 220 and the> person with> > me was about 130. I can sympothize with you about density altitude> and climb> > performance. I've been hauling rides out of a 3200 ft elevation> strip here in WV> > this summer. Thank God for tthe supercharger on the R985 or the> Howard would have> > had a hard time on those days with density altitudes over 5000'.> >> > To get the best performance out of the Piet is to keep the airframe> as light as> > possible. The structure is overbuilt for a low hp engine but with> the O-290 be> > conservitive. The fact that you already added area to the verticle> fin is good.> >> > Keep us posted on your progress.> >> > David Schober> >> > Eli or Robert or Teresa Bozeman wrote:> >> > > Davis B. Schober> > > Back when I first built my aircamper I had lots of problems with> vert.> > > fin. I ended up adding 45 sq. inches to tail, this helped me out a> > > hole lot. I've had it in 20 kts. strieght cross wind, don't recomend> > > to get in such a x-wind but it can be done safely,in a pinch..> > >> > > Afew weeks ago a friend of mine put a 0-200 on his> > > Piet. and what a differance that made, no more wondering if your> going> > > to get over that wire or out of a short field> > >> > > as far as CG on Piet, when your building old Piet you can move the> > > main wing for or aft to maintain propor CG> > > For the lighter Cont 65 you aft aprox. 3 1/2-41/2" back, for heavey> > > ford cabanes are strieght up and down> > >> > > I talk to members in the BPA about differant engines used on the> > > Piet---anywhere from 39hp--------220hp.> > > could use some more discussion on what I'm doing> > >> > > thanks Robert B.> > >> > > ---"David B. Schober" wrote:> > > >> > > > Robert,> > > > If you are going to go from 65 hp to 125 hp you had better do some> > > > calculations for stress and tail volume. The O-290 only weighs the> > > same> > > > as the Ford "A" but the added horsepower will put additional> stress on> > > > the structure. The additional power will cause problems with> > > directional> > > > control unless you increase the verticle fin area.> > > >> > > > As far as your question about distance to prop flange, that> > > dimension has> > > > no relavence. The point you need to look for is the CG lacation> of the> > > > engine prop combination and mount the new engine at the same CG> > > location.> > > >> > > > I hope this helps.> > > >> > > > David Schober> > > >> > > > Eli or Robert or Teresa Bozeman wrote:> > > >> > > > > Anyone, ever run out of power with a 65 Cont.? I have!!!!!!! I> > > got a> > > > > good deal on a 0-290G, and it wieghs the same as the model A> 244 lb.> > > > > or so. Can any one tell me the distance from firewall to prop> flange> > > > > on the moden A, I can't seem to find my prints.> > > > > I've got 105.6hrs. on Piet and she realy flies great,> > > > >> > > > > Thanks much Robert Bozeman> > > > >> > > > > > > > >> > > >> > > >> > > > --> > > >> > > >> > >> > > >> > > > David B.Schober, CPE> > > > Instructor, Aviation Maintenance> > > > Fairmont State College> > > > National Aerospace Education Center> > > > Rt. 3 Box 13> > > > Bridgeport, WV 26330-9503> > > > (304) 842-8300> > > >> > > >> > > > When once you have tasted flight, you will always walk with your> eyes> > > > turned skyward, for there you have been and there you will> always be.> > > >> > > >> > > >> > >> > > > >> >> >> > --> >> >> > David B.Schober, CPE> > Instructor, Aviation Maintenance> > Fairmont State College> > National Aerospace Education Center> > Rt. 3 Box 13> > Bridgeport, WV 26330-9503> > (304) 842-8300> >> >> >> >> >>>> --/-------------------- |~~_____/~~__ ||scott(at)haulpak.com | o' ~~|~~~ |I am quite a distance away from needing aprop yet, but what amount of moneydoes it take to make you happy to ridof it?Eli or Robert or Teresa Bozeman wrote:Beings I've put on the 0-290, myJ-3 nose bowl doen'tfit anymore, soI'd like to sell it and my 72X42 heggy prop, anyone interested pleaseemail me...---"David B. Schober" dbs(at)fscvax.wvnet.edu> wrote:>> 220 hp on a Piet! That must have had some climb performance.>> I've flown "A" powered, Corvair powered and A-65 powered Piets. TheCorvair and> "A" I flew solo and the A-65 dual. When I flew the A-65 powered Pietdual it was> early morning, summer, 400-500 foot field elevation. Climbperformance was about> the same or a little better than a Champ. I weigh about 220 and theperson with> me was about 130. I can sympothize with you about density altitudeand climb> performance. I've been hauling rides out of a 3200 ft elevationstrip here in WV> this summer. Thank God for tthe supercharger on the R985 or theHoward would have> had a hard time on those days with density altitudes over 5000'.>> To get the best performance out of the Piet is to keep the airframeas light as> possible. The structure is overbuilt for a low hp engine but withthe O-290 be> conservitive. The fact that you already added area to the verticlefin is good.>> Keep us posted on your progress.>> David Schober>> Eli or Robert or Teresa Bozeman wrote:>> > Davis B. Schober> > Back when I first built my aircamper I had lots of problems withvert.> > fin. I ended up adding 45 sq. inches to tail, this helped me outa> > hole lot. I've had it in 20 kts. strieght cross wind, don't recomend> > to get in such a x-wind but it can be done safely,in a pinch..> >> > Afew weeks ago a friend of mine put a 0-200 on his> > Piet. and what a differance that made, no more wondering if yourgoing> > to get over that wire or out of a short field> >> > as far as CG on Piet, when your building old Piet you can movethe> > main wing for or aft to maintain propor CG> > For the lighter Cont 65 you aft aprox. 3 1/2-41/2" back, for heavey> > ford cabanes are strieght up and down> >> > I talk to members in the BPA about differant engines used on the> > Piet---anywhere from 39hp--------220hp.> > could use some more discussion on what I'm doing> >> > thanks Robert B.> >> > ---"David B. Schober" dbs(at)fscvax.wvnet.edu> wrote:> > >> > > Robert,> > > If you are going to go from 65 hp to 125 hp you had better dosome> > > calculations for stress and tail volume. The O-290 only weighsthe> > same> > > as the Ford "A" but the added horsepower will put additionalstress on> > > the structure. The additional power will cause problems with> > directional> > > control unless you increase the verticle fin area.> > >> > > As far as your question about distance to prop flange, that> > dimension has> > > no relavence. The point you need to look for is the CG lacationof the> > > engine prop combination and mount the new engine at the sameCG> > location.> > >> > > I hope this helps.> > >> > > David Schober> > >> > > Eli or Robert or Teresa Bozeman wrote:> > >> > > > Anyone, ever run out of power with a 65 Cont.? I have!!!!!!!I> > got a> > > > good deal on a 0-290G, and it wieghs the same as the modelA244 lb.> > > > or so. Can any one tell me the distance from firewall to propflange> > > > on the moden A, I can't seem to find my prints.> > > > I've got 105.6hrs. on Piet and she realy flies great,> > > >> > > > Thanks much Robert Bozeman> > > >> > > > > > >> > >> > >> > > --> > >> > >> >> > >> > > David B.Schober, CPE> > > Instructor, Aviation Maintenance> > > Fairmont State College> > > National Aerospace Education Center> > > Rt. 3 Box 13> > > Bridgeport, WV 26330-9503> > > (304) 842-8300> > >> > >> > > When once you have tasted flight, you will always walk with youreyes> > > turned skyward, for there you have been and there you willalways be.> > >> > >> > >> >> > >>> -->>> David B.Schober, CPE> Instructor, Aviation Maintenance> Fairmont State College> National Aerospace Education Center> Rt. 3 Box 13> Bridgeport, WV 26330-9503> (304) 842-8300>>> When once you have tasted flight, you will always walk with youreyes> turned skyward, for there you have been and there you will alwaysbe.>>--/-------------------- |~~_____/~~__ ||DAVID SCOTT |______ ______====== )-+|scott(at)haulpak.com | o' ~~|~~~ |--------------------/ (O)title: Design Engineertel;work: 309-672-7706tel;fax: 309-672-7753tel;home: not posted________________________________________________________________________________
Pietenpol-List: Re: J-3 nose bowl and 72X42 heggy prop
Posted: Tue Nov 10, 1998 11:08 am
by matronics
Original Posted By: Eli or Robert or Teresa Bozeman
Graham, I'd like to get $375.00 out of the prop, I'm in Washburn, Mo. Phone 417-826-5409 (southwest Mo.)---Graham Hansen wrote:>> I am interested in your Hegy propeller. My son has a Pietenpol> with a Continental A65 and needs a propeller. Please E-mail> me at > > ---indicating your price, location and phone number (if you> haven't sold it already). Thanks,> > Graham Hansen> > ________________________________________________________________________________
Pietenpol-List: Re: J-3 nose bowl and 72X42 heggy prop
Posted: Tue Nov 10, 1998 11:08 am
by matronics
Original Posted By: Eli or Robert or Teresa Bozeman
Graham, I'd like to get $375.00 out of the prop, I'm in Washburn, Mo. Phone 417-826-5409 (southwest Mo.)---Graham Hansen wrote:>> I am interested in your Hegy propeller. My son has a Pietenpol> with a Continental A65 and needs a propeller. Please E-mail> me at > > ---indicating your price, location and phone number (if you> haven't sold it already). Thanks,> > Graham Hansen> > ________________________________________________________________________________
Pietenpol-List: Re: J-3 nose bowl and 72X42 heggy prop
Posted: Tue Nov 10, 1998 11:58 am
by matronics
Original Posted By: Eli or Robert or Teresa Bozeman
The bowl is atached to the cowl with cherrymax and would like to get$120.oo out of it ---fishin wrote:>> I'm interested in the J3 nosebowl, what are you asking for it???> JoeC> > >Beings I've put on the 0-290, myJ-3 nose bowl doen't fit anymore, so> >I'd like to sell it and my 72X42 heggy prop, anyone interested please> >email me...> >> >> >> >> >---"David B. Schober" wrote:> >>> >> 220 hp on a Piet! That must have had some climb performance.> >> > >> I've flown "A" powered, Corvair powered and A-65 powered Piets. The> >Corvair and> >> "A" I flew solo and the A-65 dual. When I flew the A-65 poweredPiet> >dual it was> >> early morning, summer, 400-500 foot field elevation. Climb> >performance was about> >> the same or a little better than a Champ. I weigh about 220 and the> >person with> >> me was about 130. I can sympothize with you about density altitude> >and climb> >> performance. I've been hauling rides out of a 3200 ft elevation> >strip here in WV> >> this summer. Thank God for tthe supercharger on the R985 or the> >Howard would have> >> had a hard time on those days with density altitudes over 5000'.> >> > >> To get the best performance out of the Piet is to keep the airframe> >as light as> >> possible. The structure is overbuilt for a low hp engine but with> >the O-290 be> >> conservitive. The fact that you already added area to the verticle> >fin is good.> >> > >> Keep us posted on your progress.> >> > >> David Schober> >> > >> Eli or Robert or Teresa Bozeman wrote:> >> > >> > Davis B. Schober> >> > Back when I first built my aircamper I had lots of problems with> >vert.> >> > fin. I ended up adding 45 sq. inches to tail, this helped meout a> >> > hole lot. I've had it in 20 kts. strieght cross wind, don'trecomend> >> > to get in such a x-wind but it can be done safely,in a pinch..> >> >> >> > Afew weeks ago a friend of mine put a 0-200 on his> >> > Piet. and what a differance that made, no more wondering if your> >going> >> > to get over that wire or out of a short field> >> >> >> > as far as CG on Piet, when your building old Piet you can movethe> >> > main wing for or aft to maintain propor CG> >> > For the lighter Cont 65 you aft aprox. 3 1/2-41/2" back, forheavey> >> > ford cabanes are strieght up and down> >> >> >> > I talk to members in the BPA about differant engines used on the> >> > Piet---anywhere from 39hp--------220hp.> >> > could use some more discussion on what I'm doing> >> >> >> > thanks Robert B.> >> >> >> > ---"David B. Schober" wrote:> >> > >> >> > > Robert,> >> > > If you are going to go from 65 hp to 125 hp you had better dosome> >> > > calculations for stress and tail volume. The O-290 onlyweighs the> >> > same> >> > > as the Ford "A" but the added horsepower will put additional> >stress on> >> > > the structure. The additional power will cause problems with> >> > directional> >> > > control unless you increase the verticle fin area.> >> > >> >> > > As far as your question about distance to prop flange, that> >> > dimension has> >> > > no relavence. The point you need to look for is the CG lacation> >of the> >> > > engine prop combination and mount the new engine at the same CG> >> > location.> >> > >> >> > > I hope this helps.> >> > >> >> > > David Schober> >> > >> >> > > Eli or Robert or Teresa Bozeman wrote:> >> > >> >> > > > Anyone, ever run out of power with a 65 Cont.? Ihave!!!!!!! I> >> > got a> >> > > > good deal on a 0-290G, and it wieghs the same as the model A> >244 lb.> >> > > > or so. Can any one tell me the distance from firewall to prop> >flange> >> > > > on the moden A, I can't seem to find my prints.> >> > > > I've got 105.6hrs. on Piet and she realy flies great,> >> > > >> >> > > > Thanks much Robert Bozeman> >> > > >> >> > > > > >> > >> >> > >> >> > >> >> > > --> >> > >> >> > >> >> >>> >> > >> >> > > David B.Schober, CPE> >> > > Instructor, Aviation Maintenance> >> > > Fairmont State College> >> > > National Aerospace Education Center> >> > > Rt. 3 Box 13> >> > > Bridgeport, WV 26330-9503> >> > > (304) 842-8300> >> > >> >> > >> >> > > When once you have tasted flight, you will always walk withyour> >eyes> >> > > turned skyward, for there you have been and there you will> >always be.> >> > >> >> > >> >> > >> >> >> >> > > >> > >> > >> > >> --> >> > >>>> >> David B.Schober, CPE> >> Instructor, Aviation Maintenance> >> Fairmont State College> >> National Aerospace Education Center> >> Rt. 3 Box 13> >> Bridgeport, WV 26330-9503> >> (304) 842-8300> >> > >> > >> When once you have tasted flight, you will always walk with youreyes> >> turned skyward, for there you have been and there you will alwaysbe.> >> > >> > >> > > > >> >> >> >> >> > ________________________________________________________________________________