![]() ![]() ![]() At 20:1 (Stihl Extra Oil) it turned 7850 to 7925rpm. ![]() I ran 2 tanks thru it on the ground and then the maiden flight, I did not touch the needles and low idle was great, transition also, and good top end with an APC 16X10 prop. The engine performed perfect right out of the box. I have it on a GP Super Giant Chipmunk at 14lb 10oz. Obviously not up to F3A standards but a brilliant all round aerobatic model if I wreck it will have no hesitation in buying another.I have had a CRRC Pro GF26I for about 2 months. Tried everything I could think of in one afternoon including pos & neg flicks, upright & inverted spins and model performed perfectly, comes out of spins with no fuss, very safe and predictable. Needed a lot of opposite aileron mixed in with the rudder, around 20% on my DX8. ![]() I had built in 1.5 degrees of right thrust and this seemed about right as model tracked straight up vertical. Trim wise 2 clicks of right aileron and 1 click of up elevator had model flying hands off, inverted required only a touch of down to maintain. 60, especially considering that model would be much lighter too. Also used thread lock on the metal clevises & lock nuts.įlew the XL yesterday in variable conditions, weather started out with blustery cross wind, then a hail storm followed by half hour of blue sky and flat calm before returning to blustery cross wind, so experienced all weathers in one afternoon, typical English summer I suppose!įirst impression was how fast it was, MacKay 24 turning an APC 16 x 8 and it howled round like a pylon racer at full throttle, flying round at half throttle and model would still loop from level flight with ease so I'm sure it would fly on a good. Initially I fitted the supplied control horns to elevator & ailerons but these were terribly sloppy giving an unacceptable amount of free play, so these were replaced with some Flair ones I found in my bits box. The covering on mine was wrinkled in places and discovered that covering hadn't been properly shrunk so went over entire airframe with film iron & gun, a lot of shrinkage took place to secure the covering. Putting battery packs at back of fus is impossible due to lack of space and the rudder/elevator linkages, so I cut a hatch under fus just behind servos and installed them in there, tight squeeze but just fits, model now balances with just 1 1/2 oz tail weight.ĭespite my previous post, the fin was still too short by exactly 3mm, no big deal though just cyano'd some 1/8" balsa to it and sanded it down. ![]()
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