Originally Posted by
rhklenke
I installed an 8oz tank in front of the main tank opposite the UAT. I find that after I fly for 5 minutes I'm ready to land and I always have 1/4 of the main tank left. I've never gotten into the fuel in the 8oz tank. The K-85 is a very fuel efficint engine - it burns the same amount of fuel (maybe less) than the P-60 it replaced.
The P-100 is *a lot* of engine for the Cougar...
Bob
I think it's difficult to compare your fuel/engine combo with a 100N engine whose burn rate is much higher. Before I put the Kingtech 80N in my F9F, I had intended to put in a 60N based on website and the manual's recommendation. These power suggestions were wrong in my opinion, expecially with grass fields. So, I had to eat the 60N and buy an 80N in it's place. But it was a financial burden to do that. I'm suggesting that it may be the same burden to replace the 100N with a more fuel efficient turbine, thus he's looking for a way to just add more fuel.