1.75in 2 blade Spinner for a RC Howard DGA-3 Pete
by odie_wan, published
I am planning on fiddling with the thickness to get the weight down. I will also play with cooling holes. Stay tuned.
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GF 3 series hub thickness 11.9mm, hub diameter 19.7mm blade leading edge to training edge width (measured front on) 14mm at hub end. fairly flat 7mm width 30 degree-ish base of the blade where it attaches to hub.
APC Prop 9x6 hub dia 20.5mm hub thickness 8.9mm. 7.5mm thick blade at base, 15 degrees to rotation plane quite fat, and leading edge flet to front of hub, trailing edge scalloped in. 14mm width blade measured front on to hub.
Hi, sorry to be late in responding, I have some hobbyking sourced master airscrew G/F 3 Series 9 x 5, (9x6 shown) http://www.hobbyking.com/hobby... and a range of APC http://www.hobbyking.com/hobby... 10x5, 9x5, 9x6,8x4 props. The APC props seem to be wider at the base of the blade, and also slightly fatter at the hub. I can take some measurements if that helps,
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Use two M3 x ~8mm screws to hold it together.
UPDATE: I revised the spinner base and top. They are both now shell designs. I also included cooling holes in the top and bottom parts.
I haven't had a chance to weight the original against the new version.
Update 12-20-12: I took some better pictures of the latest version of the spinner (V3/v6) and weighed it. total of 9 gr w/o the screws. Note you probably want to use v3/v6.
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