ST .91 RPM and prop info needed
02-15-2005, 09:11 PM
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RE: ST .91 RPM and prop info needed
Bash-Ace....I had a ST 90-k in my T F Gold Edition Mustang 60...Weighed 10.4 # I fitted the K model with a Slimline H C Pitts muffler, and an APC 13-10. Used Cool Power 10% Great sound, and would really haul..
02-17-2005, 06:02 AM
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RE: ST .91 RPM and prop info needed
bash-ace-RCU,
I have a ST-S90K which is about 10years old. I have this engine on a muffled tuned pipe and APC 15x4W. The static rpms are 12000. The max speed in the air is low about 50-60mph as you desired. However I can only use this max speed on the verticals otherwise the prop tip speed becomes to high and the prop makes a teribble noise. Verticals are unlimited and airplane weights about 8-9lbs. Good luck, Amir
I have a ST-S90K which is about 10years old. I have this engine on a muffled tuned pipe and APC 15x4W. The static rpms are 12000. The max speed in the air is low about 50-60mph as you desired. However I can only use this max speed on the verticals otherwise the prop tip speed becomes to high and the prop makes a teribble noise. Verticals are unlimited and airplane weights about 8-9lbs. Good luck, Amir
02-17-2005, 09:45 AM
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RE: ST .91 RPM and prop info needed
I had my G90 on a WM Super Chipmunk, she was on only 5% nitro as on 15% the pinging was bad enough during idle and when I throttle up a bit. It was swinging a 12x8 or 13x6 at about 10,750 RPM only. Still she is a nice engine ... starts with one flick!
