Man, I keep reading over and over that you can't just turn the gear brackets around to change the mains from a trigear to a tail dragger or vice versa. Sure glad the KRNet and all this knowledge didn't exist when I bought mine as a project. It was a trigear then. I turned the gear around and have flown as a taildragger for 1200 hours now just blissfully ignorant about having apparently done the impossible. Perhaps I got away with it because I have the 30" gear legs, so had sufficient aft and forward "sweep" without changing the gear angles. But what I do know is that I just remounted the gear brackets to the other side of the spar without redrilling anything and moved on with building the rest of the plane.
-Jeff Scott
Cherokee Village, AR
Sent: Sunday, June 10, 2018 at 1:11 PM
From: "Sid Wood via KRnet" <krnet@list.krnet.org>
To: krnet@list.krnet.org
Cc: "Sid Wood" <smw...@md.metrocast.net>
Subject: Re: KR> Gear legs
From: "Sid Wood via KRnet" <krnet@list.krnet.org>
To: krnet@list.krnet.org
Cc: "Sid Wood" <smw...@md.metrocast.net>
Subject: Re: KR> Gear legs
I have the template I used for my KR-2 Tri-gear using the Grumman blanks.
The template is for the aft facing gear legs. Tri-gear and tail dragger
legs are not interchangeable. The Grumman blanks are 1-inch thick; you will
need to plane them down to 3/4-inch thick. A bench mounted power planer
will do the job; just make several passes to gradually get it done. The
glass fibers are tough.
The difference for the aft facing and forward facing gear legs is the
location of the bolt holes and the sweep angle of the leg after it leaves
the spar mounting bracket. The forward facing gear leg does not sweep as
much as the aft facing leg. The toe is established when you drill the holes
for the axle adapter bracket. Fine adjustments for toe and camber can be
made with shims at the axle mounting bolts. Do it correctly when you drill
the holes in the fiberglass and you will not need the shims.
Sid Wood
Tri-gear KR-2 N6242
California, MD, USA
------------------------------------------------------
The template is for the aft facing gear legs. Tri-gear and tail dragger
legs are not interchangeable. The Grumman blanks are 1-inch thick; you will
need to plane them down to 3/4-inch thick. A bench mounted power planer
will do the job; just make several passes to gradually get it done. The
glass fibers are tough.
The difference for the aft facing and forward facing gear legs is the
location of the bolt holes and the sweep angle of the leg after it leaves
the spar mounting bracket. The forward facing gear leg does not sweep as
much as the aft facing leg. The toe is established when you drill the holes
for the axle adapter bracket. Fine adjustments for toe and camber can be
made with shims at the axle mounting bolts. Do it correctly when you drill
the holes in the fiberglass and you will not need the shims.
Sid Wood
Tri-gear KR-2 N6242
California, MD, USA
------------------------------------------------------
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