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AMR 100" Twin 30cc powered kit
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06-13-2014, 02:46 PM
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Bob Paris
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Join Date: Nov 2002
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Aloha,
Well...I managed to final my rudder and vertical fin shape and size. I first used the supplied kits design and went after a twin rudder. After I made my first templates...and tried it on the fuselage, decided to not go with a twin rudder. My second attempt at a single rudder seemed to work fore me and cut cardboard to actual size and fit to try it out. I am now drawing up plans for the rudder and will build up this rudder. I am no aerodynamic engineer...but I decided to make sure all my fin and rudder area's remain at the same ratio. I made the fin taller, and inset a forward balance piece on top of the rudder itself. I will use the same bottom pieces that are given in the kit to build up the stock rudder, inset into the aft fuselage and added a fore piece for the vertical fin. The last two pictures are the final shape of the fin. I narrowed the top of the rudder 1-3/8" from the first pictures and the rudder seemed more visually balanced for me.
Any comments will be appreciated...Notice I have a large rudder and I made it a bit larger then the kit came with. Being a twin...I want a good solid rudder for single engine control.
Soft Landings Always,
Bobby of Maui
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Last edited by Bob Paris; 06-13-2014 at
11:28 PM
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