Todd, The design you describe is quite similar to the one I have been working on for two years. If you Google my reserved N-Number, N117CG, you will find my out-of-date compilation of pictures of my progress. Just thought I'd throw that out there...
Cedric Gould N117CG, Tandem KR in-work.... Todd Currier wrote: > Hello folks, new to the list here. > Wanted to say hi to everyone and throw out an idea or two I've been thinking > about. I'm still in the stage where I'm figuring out where and how > everything will fit in my design but it is coming together nicely. > Structural considerations will come next. > > My design- > Basically it will be a tandem KR-2S. What I plan on doing is stretching the > rear fuselage approx. 1 foot from standard KR-2S dimensions and lengthening > the nose approx 2 feet from standard. I envision the passenger sitting *in > front* of the spar and slightly above it. Top of the spar will come to > around the small of his back. Pilot in back with his knees over the main > spar. The main spar will be lowered in the fuselage the required amount so > that the pilot (I) can comfortably put my knees over the spar. The front > passengers back will rise vertically to a point directly above the rear of > the front spar and will rest on a bulkhead to split up the cockpit space. I > plan this as solo from rear so the plane is set up to fly nicely solo. That > way when I take a passenger I will not have an aft c.g. situation. > Passenger will not be far ahead of the front spar so it will not make a big > forward c.g. situation either. I will take advantage of > having the passenger in front and the resulting slightly nose heavy > situation by placing a baggage compartment in the aft fuselage so when I > have a passenger I can carry stuff behind my seat and hopefully have the > c.g. stay around where it's at when flying solo. I am designing this around > myself -5'11, 155 lbs so cockpit space will not be excessive which will help > with weight. > Structurally it will be similar to the KR-2S (which will be my main > inspiration). > I plan on an unmodified KR-2S wing save for the improved airfoil which has > been developed. > I see my biggest hurdle as weight and balance- figuring out exactly what the > proportions need to be. All doable though. > So far I've been working on a 17% drawing to see how everything fits and so > far everything does. > > I glad I found this list and I look forward to what is to come. Advice, > criticism, and anything else is welcomed and appreciated. > Cheers, Todd > > P.S.- I'm thinking of 0-200, 0-235 powerplant > _______________________________________ > Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp > to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net > please see other KRnet info at http://www.krnet.org/info.html > > >
