NO, Too much, Virg On Thu, 8 Jan 2004 10:46:59 -0800 (PST) Scott Cable <s2cab...@yahoo.com> writes: > KRNetters > OK, hear me out on this one for one second: > First remembering that the KR is one of the easiest > aircraft to modify, and there has never been a KR > crashed due to a structural failure. > > The KR has a double 5/8ths spruce Upper Longerons, a > single 5/8 ths lower longeron. 3/32nd plywood outer > skin, and 1/4 inch plywood firewall support structure. > What if: > 1.) Added an additional 5/8 piece to the upper > Longerons > > 2.) Double the lower longerons aft to behind the rear > spar and add 2 ea 5/8th intercostals from the > firewall to the front spar. > > 3.) Instead of a 3/32 plywood floor between the > firewall (under the rudder pedal support) and the > front spar, use 1/4 inch 45 degree bias plywood. > > 4.) Add a 3/32 plywood inner skin from the firewall to > the instrument panel, and 1/4 inch lower firewall > gusset (like the existing upper gussett in the 2S > plans) and a 1/4 inch plywood doubler on the > inner forward and rear faces of the front spar. > > 5.) Add 18 inches to each wing to increase the wing > span by 3 ft (from 23 to 26) (additional wing area > to handle the increased engine weight) > > 6.) Increase the rudder / vertical stab area by 25% > > 7.) Increase the landing gear strut thickness by 20% > > By doing these 7 things, the KR-2S should be able to > handle the additional loads imposed by a heavier, > more powerful engine. > Essentially, I've created a torque box on the belly, > and fuselage sides. This should come close to > doubling the load carrying ability of the fwd > structure. > The added structural weight would be less than 30 > pounds. For a total increase in gross weight of 67 > pounds (over a corvair or Subaru). > I think a weight gain of 67 pounds, with the benefit > of 30 more useable horsepower, and a gob more torque > is reasonable. Another benefit is it's a aircraft > engine. > > > > ===== > Scott Cable > KR-2S # 735 > Wright City, MO > s2cab...@yahoo.com > > __________________________________ > Do you Yahoo!? > Yahoo! Hotjobs: Enter the "Signing Bonus" Sweepstakes > http://hotjobs.sweepstakes.yahoo.com/signingbonus > > _______________________________________________ > see KRnet list details at http://www.krnet.org/instructions.html > >
Virgil N. Salisbury - AMSOIL www.lubedealer.com/salisbury Miami ,Fl
