RCU Forums - St G90

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- - St G90 (https://www.rcuniverse.com/forum/tachometer-readings-173/727083-st-g90.html)

Hawk21

04-27-2003 10:15 PM

St G90

I tach my g90 today and with 15% cool power
on a 15x6 zinger prop I got 8700rpm
not bad I think

karolh

05-06-2003 01:49 AM

ST G90

Try a MA or APC 12 x 7 or 13 x 6 prop, as I think the 15 x 6 is too much prop for this engine as it is happiest in the 11,500 -12,000 rev range. Check the engine manufacturers section on this forum for advice about ST motors. You might be in for a pleasant surprise.

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