Today using Grimracer L40 x 57 my UL-1 went 48.9 mph and boat handled perfect with no chine walk and no cavitation that I noticed.
Grimracer L38 x 55 was about the same speed as L40 x 57 and boat handled verywell.
Grimracer L38 x 63 too much chine walk
Octura 2140/3 too much stern bouncing, chine walk, and slower
Octura V940/3 too much stern bouncing, chine walk, and slower
Octura m440 went 49.9 mph and boat handled verygood (my favorite prop so far... motor temp 119, esc 93, batteries 115)
Al testing was done with strut set 1 1/8" below hull and turn fin was angled upwards slightly according to setup board. My new G3 Hyperion 2s 25c 5000mah packs were faster than my older Flightpower 2s 25c 4900mah packs (new packs are allways faster). Jeff Wohlt .078" wire drive and custom .078" OSE Octura collet worked perfectly. I will try to get video soon.
God I love the UL-1! Turn fin area has no cracks either. Throttle was held wide open in turns!
Grimracer L38 x 55 was about the same speed as L40 x 57 and boat handled verywell.
Grimracer L38 x 63 too much chine walk
Octura 2140/3 too much stern bouncing, chine walk, and slower
Octura V940/3 too much stern bouncing, chine walk, and slower
Octura m440 went 49.9 mph and boat handled verygood (my favorite prop so far... motor temp 119, esc 93, batteries 115)
Al testing was done with strut set 1 1/8" below hull and turn fin was angled upwards slightly according to setup board. My new G3 Hyperion 2s 25c 5000mah packs were faster than my older Flightpower 2s 25c 4900mah packs (new packs are allways faster). Jeff Wohlt .078" wire drive and custom .078" OSE Octura collet worked perfectly. I will try to get video soon.
God I love the UL-1! Turn fin area has no cracks either. Throttle was held wide open in turns!
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