Ok fellas...I have a question for "everyone" that has flown 50cc gas powered planes....a lot. First the brief previous logic. I have always "over" sized the tanks in my planes for the simple fact that "if" I needed that extra time to get a bird down safely, I wanted the fuel reserve to do it. And thus far, it has not been an issue. Examples: The 157cs, the 170 and my 212cs usually burn about half the fuel that is in the tank for a normal 10 or so minute flight. i.e, 260, Sukhoi have 50 ounce tanks. The Behemoth Yak also has a 50 ouncer. On my 100cc'ers I run a 32 ounce and again, about half a tank or better when I land. This has been a good rule of thumb for me. However once again having a 50cc plane, I want to do things a bit different. I am not going to run the elaborate onboard systems I have in the past. Meaning, one flight pack instead of two. Or two much smaller packs vs. the size I normally would use. Rx. only and no power expander. Probably Hitec 7954 servos simply because they are an all around good servo for most any application. Singled out or ganged two or three per surface, they do an impeccable job. And they have great centering as well. But as for tank size, I don't want to run the norm of what I have in the past. 24 ounces seems like a lot. But I really don't remember what a 50cc sized engines fuel consumption rate is. I have read some posts saying a DLE 55 will "sip" about an ounce a minute. Others have done elaborate calculations and have come up with 1.69 ounces per minute. I want to keep this 50cc Edge as light and as inexpensive to build as possible. So that being said, what have all of you 50cc flyer guys used for tank size? What is your normal fuel consumption rate? What type of flying? How hard are you on the throttle? Warbird or Aerobatic? Bottom line...is a 17 ounce tank enough for some "beat the snot" outta your plane flying? What do you guys use?
