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I got some stick time on the Yak and it is a great flying model. From the limited time I had on the model, it flies constant speed extremely well, and is great for both precision and freestyle. Also to add, the Yak is based off of Gerhard Bruckman's (Gernot's father) Yak 55. Ivo Krill made changes to the model regarding wing platform, airfoil, etc. The model Mark flew was the first prototype. It features a "floating Spar" like the Katana, but is rather unique as it has a removable motor box.
Anyhow, the specs on the Yak are as follows:
Wing Span: 2.94 m
Fuselage Length: 2.74 m
Weight:36.8 lbs
Engine: DA 150 cc
Muffler System: KS Canisters
Let me know if you guys have any other questions regarding the Yak. Also to add, there will be one in Tucson for everyone to see.
Best Regards,
JPG |
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I have for 10 years suspected this plane would be a great model. Though not the prettiest girl in the pageant, it has the redeeming qualities of being a near perfect inline configuration. It has a long tail, but with large flippers and a subfin to further balance the model aerodynamically. It has a shallow fuselage aft of the canopy, (Further enhancing rudder authority by eliminating stabilizing vertical area in the aft regions).... and all of this is right off the real plane. Very little encroachment on the "10 Percent Rule" is required... it is just naturally a good planform for a model.... and even the real plane was built with two different wings (of different taper ratios)...
I am curious to know if my thoughts are evident on the model... this is one model I may need to save my nickles for!!!
thanks again!