Sean Caranna <vp2fl...@cfl.rr.com> wrote: I'm at a bit of a cross roads with building my plane. I am planning on building an aircraft to be powered by a Corvair engine. I originally wanted to build a VP-2, but it's just not going to be wide enough for me at 6'2" 250lb any my fiancé at 6' tall "if I post weight I could be killed".
I have begun a design of my own, but this will take much longer to build for a number of reasons outside the topic of this email list. I still plan to eventually build my own design but I'm just not sure that it should be my first build. The more I read about the KR-2S the more it grows on me. However, I have also read that, like the VP-2, it makes a better fat single seater than a cruiser for 2 adults. I know that some of you here have widened the KR-2s and I wanted to know what would be involved in widening it to 44". Particularly I was concerned with how this modification would affect the loading on the wing spars and what changes would be needed to the stub wings. Should I choose to build a KR I will use the AS5048/15 airfoil. Thanks, Sean C. Caranna http://www.wingsforum.com Hi Sean, The Kr2s is a great plane to build. I am having the time of my life building mine. If you want information on widening the fuselage, I suggest going to Mark Lankfords site and reading what he wrote in his "opinions" section of his web site. Also search the archives here. I widened mine by six inches and raised the height by 2 inches. That gives me an inside width of almost 42 inches, at the shoulders. I don't think that widening the fuselage is that difficult and it doesn't really cause to many problems. You really do have to examine the plans, and think ahead. I am not an engineer. If you build the as504x spar according to Marks outline, he says that it is stronger than the orginal design. ( I have no reason to doubt him) Another thing I did was to make the fuselage square ( I eliminated the taper). That made construction much easier. Of course ANY modifications you make impact the rest of your building process, and they might be untested and dangerous. You have to be convinced that what your doing is safe in your own mind. There are many here that can give great advice, and the archives are just full of great information and should be utilized often. My reasoning is that there are many flying KRs that have been widened with no overtly adverse effects. So I feel confident that mine will be safe. There may be greater drag with the wider fuselage, and my plane may be a little slower because of that, but being more comfortable while flying outweighed that consideration. I would encourage you to start.........today! Ron Smith KR2S fuselage 95 percent done, working on the spars, dreaming, and grinning. _______________________________________ 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
