Graham wrote:

>> I want to go as low as I can without my b-m dragging on the ground. What
have other owners done? Is there an 'off the shelf" seat I can purchase?<<

Rand Robinson (www.fly-kr.com) sells a sling seat for exactly that purpose,
but not everyone is happy with the end result, but pilot weight may be the
determining factor there.  Jeff Scott used something called Herculon from
the fabric store that he thought was a big improvement over the RR material.
The absolute lightest way to do it is with a thin sheet of aluminum or
stainless steel draped between spars, with the ends bent in a 90 degree
angle to hang across the top of the spars, fastened on the vertical ends.
That's in one of Bengelis' books.  A lot of people end up very close to the
bottom.  I know Troy Petteway and Jim Hill are sitting on sling seats that
touch the bottom fuselage skins.  That skin is just sitting there, so you
might as well use it to full advantage.  I'm going to have to lower my seat
to that point myself one of these days.   Or you could make a seat like the
one at http://home.hiwaay.net/~langford/seat.html , but that's a lot of work
compared to screwing a sling seat in place.

As for the back, a thick foam cushion is a light, reversible way to get
yourself moved forward.  As for elevator cables, if you use a sling or sheet
metal, just make two of them and leave a gap in the middle for the cables,
or investigate whether or not the cables can be replaced with a single
pushrod, like the one shown at the top of
http://home.hiwaay.net/~langford/kcontrol.html .

Mark Langford, Huntsville, AL
N56ML at hiwaay.net
see KR2S project N56ML at http://home.hiwaay.net/~langford

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