The .21 rigger he raced and won with is his old trusted Eagle .21 that he won the NAVIGA world champs in Norway with but with a different drive line. He has installed a gearbox from Dave Marles in the UK so he can use bigger and hopefully better performing propellers. The gear reduction is 1:1.65 and the propeller he used now was a .45 SAW prop = H30 with 5.4 cup! But the propeller is not optimal in anyway. He has tried a 1467 cut down to 64 mm with equal speeds but to much load so the acceleration is not too good. But according to Jörgen the throttling is super good with the geared engine.
The cowling is a .45 cowl as the engine sits a little higher in the tub.
The overall RTR weight is 2.03 kg.
Here are some more pics of that .21 rigger:








Top speed from testing last spring topped @ 118 kmt (73.3 mph) with a ABC S15 with 3.75 cup. The developing will continue this summer. Stay tuned!










No comments:
Post a Comment