 
Keeping your model aerodynamically "clean" is a very important component in our quest for longer flight time and high speed. A properly set-up BVM Electra Jet or F-86 will cruise around the pattern on as little as 28 amps at 80 - 90 mph. Properly set-up means that the hatch-to-fuse fits are good and the main landing gear strut doors fit firmly against the bottom wing skin. The nose gear doors must also be firmly closed in flight. Excessive weight causes the model to fly at an increased angle of attack thereby increasing induced aerodynamic drag. Good craftsmanship and time spent properly rigging the retracts certainly pays amperage dividends. We have found that a single turn on the threaded ball link end of the retract push rod can make the difference between gear strut doors that fit properly or not. "G" forces and lifting forces on the wing bottom can cause less-than-perfectly adjusted doors to sneak open in flight.
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