|Jun 07, 2011, 02:25 PM|
PYRC Yak 55 34" - Free Plans - Pics, Vids, Build
PYRC Yak-55 34"
After many changes and versions, I now have the (hopefuly) final version of my Yak. This Yak-55 has a 34" wingspan and is made from 9mm EPP (or depron) foam and its great for beginners to experts and people who fly giant scale gassers or Super Cubs.
Better servo/link geometry
More crash-proof design
Reduced airframe twist
Perfect for RCers on a budget
Better wind handling
Lots of side area
Designed with beginners and experts in mind
Awesome harrier stability
Perfect for learning 3D or as a practace plane for experts
Good aileorn trainer **When setup correctly
Easily flown in a backyard or cul-de-sac
This plane is perfect for the 24g 1500kv motor from HobbyKing on a stick-mount. I have tried many servos on it, and this plane does not really care. Below, I put the 9 gram servos for outdoor flying and the 5 gram ones for indoor use. A good ESC is listed below. The battery choice really depends on what you want to be doing. I have used batteries as small as a 500mAh 2-cell and as big as a 1000mAh 3-cell. I would start with a 800mAh 3-cell battery for outdoor and a 800mAh 2-cell for indoor flying, at least for your first flights. It still keeps the weight low but gives you lots of power. Due to the slightly larger size, it still feels really floaty at 8oz. The foam can be picked up at Grayson Hobby. I'm using the 9mm white EPP in the 24" by 36" Sheets. My all-time favorite control horns for foamies are the laser cut plywood ones from Grayson. The holes are perfectly sized for the Nylon Kwik-Links. The 3mm (1/8th in) carbon tubes can also be orderd from Grayson Hobby.
24 gram motor
Looking over the 3D files
Attached to this post are the 3D model of the plane, what the plans should look like and a PDF of the plans for 11 x 8.5" paper. It prints out in 15 sheets.
In the next few days I will have some more stuff up here. Expect videos, more pics, the plans in more formats, and a build guide. -- 6-7-2011
Last edited by PinkYakRC; Jun 07, 2011 at 08:14 PM.
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