Wingtips that hold fuel provide wing spar loading relief. You should be able to increase the max gross pound for pound...maybe even more if you burn out of the wingtips last.
https://sites.google.com/site/mykr2stretch/ https://sites.google.com/site/mykr2stretch/parts-for-sale On Jan 21, 2014 9:01 AM, "Jeff Lange" <schmleff at gmail.com> wrote: > Stan, > > I did that mod after flying the plane for 4 years with the standard tips. > When I added the tips, I also cut 8? off of each wing. I don?t know if it > made any speed difference (too many mods at the same time), but it > certainly changed the way it lands. It is extremely heavy for a Sonerai I > but still climbs at 1300fpm at gross and lands at around 55mph. There are a > couple of videos on youtube of a few landings. > > An SX300 guy built a set of tips based on the video and reported that they > lowered the stall speed. > > Here is a link to an article I wrote about the tips: > https://www.dropbox.com/s/e8kgjgcwg3a7zdw/hoerner-wingtip-conversion-part-1.pdf > > I am currently working on another set of tips that hold fuel ; ) > > Jeff Lange > Race 64 - Skye Racer > Blog: http://schmleff.blogspot.com > Youtube Channel: https://www.youtube.com/schmleff > > On Jan 19, 2014, at 11:21 PM, Global Solutions <smcdonal at kos.net> wrote: > > > I was looking at YouTube today and accidentally ran across this > > http://www.youtube.com/watch?v=RoOh-fgI8oU > > http://www.youtube.com/watch?v=ULhZchv7ito > > > > Might be of some interest to the list. > > Has anyone tried changing the wing tips? > > Regards > > Stan > > > > > > > > _______________________________________________ > > Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search. > > To UNsubscribe from KRnet, send a message to KRnet-leave at list.krnet.org > > please see other KRnet info at http://www.krnet.org/info.html > > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to > change options > > _______________________________________________ > Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search. > To UNsubscribe from KRnet, send a message to KRnet-leave at list.krnet.org > please see other KRnet info at http://www.krnet.org/info.html > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change > options >
