Four Stroke Engine Recommendation

Stuka Stunt Main Forum · 3 of 3 known posts recovered

Phil Sibal · Sep 16, 2001 02:24 PM

I would appreciate recommendations for a four stroke engine that would be appropriate for a profile Cardinal, Twister, or profile Oriental. I read the article in the latest Stunt News about four strokes, and it sounds like Saito, Enya or OS Surpass are the best brands, but I wasn't sure what size would be equivalent to the OS40FP's I now use. Thanks.

Joe Bellcrank · Sep 16, 2001 05:17 PM

#1 source

Most of the guys using four strokers seem to use the same size range. Four strokers are very torquey, they make lots of it, so, for our use you can substitute equally across the board.

.20-.30 in place of a 2 stroke .35 etc.

I would consider a .40 -.45 4S for the Profile Cardinal, a .30 -.40 for the Twister/Banshee, as well as the Brodak warbird series.

John

Willis Swindell · Sep 16, 2001 07:18 PM

#2 source

I have a OS 40 Surpass in a
Cardinal with a 11x6 prop and it has more then enough power. It uses 4 oz of fuel.
Willis