Original Posted By: "Gene Rambo"
There seems to be a concern about the knobby motorcycle tires I have on mypiet.I know most aircraft have smooth tires and it lets you slide on the grass.But those samesmooth tires don't slide much on asphalt runways. Maybe later I will opt forsmoothys butI think that there shouldn't be a problem with the ones I have now. I don'tplan on doing alot of heavy cross wind landings for a while. My early flights will be incalm weather. And ifI do get a cross wind, I'll land like it was asphalt. I thought I wouldthrow this out and get afeel for the groups opinions. Thanks as always.Carlcheck out my webpage at http://members.core.com/skycarl________ ... __________
Pietenpol-List: knobby tires
Re: Pietenpol-List: knobby tires
Original Posted By: "del magsam"
Del,,, Originally,, the control tubes were brazed, then I redid them afterlearning that was a no no. That was another pain in the butt lesson Ilearned but the knowledge never stops on here. So what do you thinkabout the tire deal?Carl----- Original Message -----
Del,,, Originally,, the control tubes were brazed, then I redid them afterlearning that was a no no. That was another pain in the butt lesson Ilearned but the knowledge never stops on here. So what do you thinkabout the tire deal?Carl----- Original Message -----
Re: Pietenpol-List: knobby tires
Original Posted By: del magsam
Re: Pietenpol-List: knobby tires
Original Posted By: chris a Tracy
Subject: Re: Pietenpol-List: knobby tires
Subject: Re: Pietenpol-List: knobby tires
Re: Pietenpol-List: knobby tires
Original Posted By: chris a Tracy
Subject: Re: Pietenpol-List: knobby tires
Subject: Re: Pietenpol-List: knobby tires
Re: Pietenpol-List: knobby tires
Original Posted By: "chris a Tracy"
Hey Chris,, The wheels are 18 inch rears for a 650 yamaha. Nice andbeefy with shoe brakes that worked well with my mechanical brake system. Ihad to open them up for the one and a half inch axle and machined my ownbushings. They are really strong and I don't think I will have a problemwith side forces trying to bend them.Carl----- Original Message -----
Hey Chris,, The wheels are 18 inch rears for a 650 yamaha. Nice andbeefy with shoe brakes that worked well with my mechanical brake system. Ihad to open them up for the one and a half inch axle and machined my ownbushings. They are really strong and I don't think I will have a problemwith side forces trying to bend them.Carl----- Original Message -----
> > Re: Pietenpol-List: knobby tires
Original Posted By: del magsam
Re: Pietenpol-List: knobby tires
Original Posted By: "Carl Loar"
Another thought:I remember reading an article which was probably one of Bob Whittier's resmooth tires. It was noted that in addition to the sliding on grass aspectwhich was thrown off at speed splattering the wings and tail feathers.Lou Larsen----- Original Message -----
Another thought:I remember reading an article which was probably one of Bob Whittier's resmooth tires. It was noted that in addition to the sliding on grass aspectwhich was thrown off at speed splattering the wings and tail feathers.Lou Larsen----- Original Message -----
RE: Pietenpol-List: knobby tires
Original Posted By: owner-pietenpol-list-server(at)matronics.com
Yet another thought:I don't remember where I first saw or read about shaving the knobs off ofknobby tires for that vintage look.But here are some points I discovered while experimenting with old 21"knobbys to get the technique down pat.The tire carcass for knobbies is much heavier than the same size streettire. The reason, I assume, is to get the stability required when driving onthe outer knobs. I also sectioned though two old tires to see the plystructure. Knobbies definitely have more plys.The shaved and sanded tire weighed about the same as a street tire. Ihaven't recorded the weights but I did weight the amputated knobs and bothtire types.I cut the lugs off with a sharp utility knife wetted with dish soap.Followed by 24 grit disks in a large hand held angle grinder. (Stinks, lotsof rubber dust) I let the tire rotate on the wheel during this operation.Someone else, perhaps in an EAA publication, polished the sanded tire bydoing "burnouts" on grass with the tire while it was mounted on amotorcycle. This is not an option for me as 21" tires are not used on therear of bikes.On a Piet the difference may not be much but the shaved smooth look mightreduce drag?John Mc-----Original Message-----
Yet another thought:I don't remember where I first saw or read about shaving the knobs off ofknobby tires for that vintage look.But here are some points I discovered while experimenting with old 21"knobbys to get the technique down pat.The tire carcass for knobbies is much heavier than the same size streettire. The reason, I assume, is to get the stability required when driving onthe outer knobs. I also sectioned though two old tires to see the plystructure. Knobbies definitely have more plys.The shaved and sanded tire weighed about the same as a street tire. Ihaven't recorded the weights but I did weight the amputated knobs and bothtire types.I cut the lugs off with a sharp utility knife wetted with dish soap.Followed by 24 grit disks in a large hand held angle grinder. (Stinks, lotsof rubber dust) I let the tire rotate on the wheel during this operation.Someone else, perhaps in an EAA publication, polished the sanded tire bydoing "burnouts" on grass with the tire while it was mounted on amotorcycle. This is not an option for me as 21" tires are not used on therear of bikes.On a Piet the difference may not be much but the shaved smooth look mightreduce drag?John Mc-----Original Message-----
Fw: Pietenpol-List: knobby tires
Original Posted By: "Lauritz Larsen"
----- Original Message -----
----- Original Message -----