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Following the discussion here, I decided to move an old project I had in mind for a long time ( a 2.8 ~ 3m aerobatic sloper) into an EPP model (see discussion anyway for the full story etc). I had a first prototype done a while ago in dense foam (not styrofoam by the way) and was vaguely designed around the Wazabi with an increased fuselage surface in front of the CG and a new rudder. Everything else was roughly the same... Except the size! (2metres). Flew OK, but was way too light to be able to do something good with it. After all, I did not wanted a floater, but something with a bit more punch, even if this is only a foamy (sorry!) So, back to the drawing board, and decided to scale down my Quark plan. Quark ? The name is a homage to Francois Cahour's Quartz glider, the first truly vtpr machine out there, and the quark is also of course, an elementary particle and a fundamental constituent of matter ;o) The size of the glider will be dictated by the maximum size available by the cnc cutting machine, and the EPP blocks. Wing span : 167cm Fuselage length : 1.10m Wing profiles : SB96V to 96VS (classic!) As for the design, this is a mix of a Salto (front section)/ Twister and the rudder of a Typhoon! All the proportions where eye balled, but a check in PredimRC (see forum) proved it right. A 3 views plan was drawn, and the plan made. DXF files produced, sent to the cutter, and after a week, a nice kits with a few bits arrived home... Let's get started Download the Plan (A0 size - PDF Format)Building the Quark : |
