Engine basics > Four strokes only
Help with a Saito .30 FS setup "Update Feb. 2nd"
Andrew Borgogna:
I need some information, I am installing a Saito .30 four stroke on a RSM Ringmaster. The info I need is what would make for a good prop size and where do you locate the fuel feed from the tank relative to the engine? Also I am planning to use a uniflow tank and right now I am looking at using a 10x4 APC prop.
Andy
Bob Reeves:
http://stunthanger.com/smf/index.php?topic=14255.0
Alan Hahn:
I'm sure that Bob's link is best, but I hazard a guess that a 10-4 is just too low of a pitch for the Saito 30. That pitch would require rpm's in the 11-12krpm range (even before it unloads in the air), a bit too high for the Saito, IMHO.
Robert Zambelli:
Andy - locate the tank right on the intake tube C/L. You may have to shim it a bit but not likely.
I have never had good results with a uniflow on the SAITO 30.
My best results were with a metal 2 ounce tank, Master Airscrew 9 1/2-6 and Brodak 10/23 fuel.
I do not recommend anything lower than a 6 pitch.
I just wire the carb wide open but there may be someone who makes a venturi for the 30.
When you run the 30 on it's side, you can try with and without muffler pressure. When inverted or upright, muffler pressure is pretty much a must.
Bob Z.
Warren Leadbeatter:
Gday
I have a Saito 30 on a Ringmaster. I use a 10x6 tornado and a 3 oz Hayes clunk tank. Speed can be adjusted by setting the throttle. Mine is currently at 7/8's.
Cheers
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