2.)Landing gear attachment. If you are or plan to use > the Diehl gear, you are faced with 2 choices: > a.) use a smaller prop > b.) Make the spar taller
Thats not true. The orginal retracts had the least amount of ground clearance and the Diehl gear gave you more clearance. Justin ----- Original Message ----- From: "Scott Cable" <s2cab...@yahoo.com> To: <kr...@mylist.net> Sent: Friday, September 19, 2003 9:04 AM Subject: KR>Dihedral Question > Gavin & Colin, > Colin is correct about starting the Dihedral at BL0.0 > as opposed to starting the dihedral somewhere > outboard. > I'm not a loads engineer, but I did a "sanity " check > with one here at work. > Here are some issues that you may encounter by > starting the dihedral at BL0.0: > 1.)Kick Loads. How do you handle the additional kick > loads? obviously you must make the spar larger in both > height and width. > > 2.)Landing gear attachment. If you are or plan to use > the Diehl gear, you are faced with 2 choices: > a.) use a smaller prop > b.) Make the spar taller > > 3.) Wing Fillets. Wing fillets are always larger and > more complex for a BL0.0 dihedral as opposed to a > straight spar/wing > > 4.)Spar / Wing to fuselage attachment complexity. The > dihedral really complicates this attachment scenario. > > 5.) Occupant packaging. KR pilots and passengers are > seated between the spars, with the occupant knees > directly over the front spar. Having the wing > dihedral start at BL0.0, causes occupant packaging > issues. Do you think you will be comfortable as a > pilot with the outbd knee higher than the inbd knee? > > So to answer Gavin's question, yes, there are plenty > of low wing aircraft with the dihedral starting at the > center. There are far and above many more examples of > low wing aircraft where the dihedral starts outbd of > the center, reasons for which are stated above. > > Good luck and happy building! > > > ===== > Scott Cable > KR-2S # 735 > Linden, MI > s2cab...@yahoo.com > > __________________________________ > Do you Yahoo!? > Yahoo! SiteBuilder - Free, easy-to-use web site design software > http://sitebuilder.yahoo.com > > _______________________________________________ > see KRnet list details at http://www.krnet.org/instructions.html >
