RE: SK Engines
I have run some more gas through my 90 and have some updated readings
apc 16-6 8500 8900 peak
apc 16-4 9000 9400 peak
zinger pro 15-6 9500 9900 peak
5% cool power and tower muffler
300 more rpms can be achieved from 15%
Excellent flight times for an 11oz tank.
15-6 has fastest spool up for 3d