Pietenpol-List: Propping a Corvair

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Original Posted By: "skellytown flyer"
LE to rear of front spar is 7"1/2 not 6"1/2.-- yocum(at)gmail.comOn Jun 23, 2010, at 3:52 PM, Dan Yocum wrote:> Waiting for Riblett 612 plans? Where from? They're online in > various places, including the pietenpol-list archives. Ivan > Todorovic posted them in both pdf and dxf in this thread:>> http://forums.matronics.com/viewtopic.p ... 797816e0a3>> Take the pdf to Kinkos and have them print it out on their big > printer, or loft it yourself on red rosin paper from Home Depot, in > the flooring section. The coordinates can be found, here:>> http://mikesbabyace.wordpress.com/wings/>> The center of the front spar should be 6"1/2 from the LE, if I > remember correctly. The center of the rear spar should be 28 3/4 > from the center of the front spar. I'm using 3/4" thick spars.>> You can get away with using 4 sizes of gussets: 360 of 7/8" x 7/8" > square, 480 of 7/8" x 1"1/2, then 60 each of for the LE > piece and 60 each of for the TE wedge.>> Dan>> On 06/23/2010 03:25 PM, Kringle wrote:>> --> Pietenpol-List message posted by: "Kringle">>>> A timely discussion as my first sheet of plywood from Aircraft >> Spruce came today! However, I am still waiting for riblett 612 >> plans and am assuming the gussets may be of different size and shape.>>>> -------->> John>>>>>>>>>> Read this topic online here:>>>> http://forums.matronics.com/viewtopic.p ... 270#302270>>>>>>>>>>>>>>>>>>>>>> -- > Dan Yocum> Fermilab 630.840.6509> yocum@fnal.gov, http://fermigrid.fnal.gov> "I fly because it releases my mind from the tyranny of petty things."________________________________________________________________________________Subject: Pietenpol-List: Propping a Corvair

[matronics]

Original Posted By: "kevinpurtee"
Have any of you that have the Corvairs with distributors had any luck, or triedhand propping them? I'm sure it can be done but maybe not nearly as easy as amagneto engine.Read this topic online here:http://forums.matronics.com/viewtopic.p ... ___Subject: Pietenpol-List: Re: Propping a Corvair

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Original Posted By: Ryan Mueller
OK all I have my entire right side of the fuselage laid out. Do you recommendgluing the gussets on while it is in the jig or after I pull it out? I know thereare two different sets of gussets for the inside and out. Would really liketo wait and out the big gusset on last so I can work inside the fuselage withouthaving to crawl and bend.BillRead this topic online here:http://forums.matronics.com/viewtopic.p ... ttachments: http://forums.matronics.com//files/img_ ... ______Date: Wed, 23 Jun 2010 23:26:33 -0500Subject: Re: Pietenpol-List: Re: Propping a Corvair

[matronics]

Original Posted By: "Chris"
Subject: Re: Pietenpol-List: Propping a CorvairI have been hand propping my two corvair powered aircraft for over 20 years. Each one uses a slightly different routine due to having different carbs and intake system. I do not feel they are any more difficult to start than a mag equipped engine.Jim Ballew_pietn38b(at)aol.com_ (mailto:pietn38b(at)aol.com) In a message dated 6/23/2010 9:03:53 P.M. Central Daylight Time, skellflyer1(at)yahoo.com writes:--> Pietenpol-List message posted by: "skellytown flyer" Have any of you that have the Corvairs with distributors had any luck, or tried hand propping them? I'm sure it can be done but maybe not nearly as easy as a magneto engine.Read this topic online here:http://forums.matronics.com/viewtopic.p ... __________

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Original Posted By: "Kringle"
Jim Ballew! Haven't seen you in a while! Hope to see you at the Burger Bash thisSunday.--------Mark ChouinardFinishing up Wings - Working on Center SectionRead this topic online here:http://forums.matronics.com/viewtopic.p ... ___Subject: Pietenpol-List: Re: prevent splinters with duct tape

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Original Posted By: Dan Yocum
I've seen some use the round gussets. Is this an acceptable method of construction?--------JohnRead this topic online here:http://forums.matronics.com/viewtopic.p ... ______Date: Thu, 24 Jun 2010 14:58:45 -0500

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Original Posted By: "TOM STINEMETZE"

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Original Posted By: Jeff Boatright
Hi, on my subaru I filed the slots in the distributor advance weights longerso static there is 0 advance, at idle it goes up to 8 degrees. It startsvery easily with no kick back when pulling through slowly and it runs well.I think this would aid in hand propping a corvair as well.Regards Mike T.________________________________________________________________________________Date: Thu, 24 Jun 2010 19:23:02 -0400

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Original Posted By: "Jeff Boatright"
Hi Jeff, extending the slots allows the springs to pull the weights in closer to the distributor shaft, this causes the cam to be retarded when the engine is not running. Very little material is removed. On the Subaru distributor there is a little room between the weights and the shaft at static, I don't know if this can easily be done on the Corvair distributor. The modification has transformed the Subaru when hand propping, I consider it to be much safer as well, due to less effort being required to prop the engine, it usually starts first blade when primed.Hope this helps, Mike T.----- Original Message -----

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Original Posted By: Jeff Boatright