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Prop help for a Formula 292 with 1130hp

Old 09-23-2019, 01:38 AM
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Default Prop help for a Formula 292 with 1130hp

I run a Formula 292 singel engine a F1 boat.
I run it with a big block 557 with a whipple supercharger 1130hp around 1250nw, i have out driver IMCO SCX 1.34 with the 1400 SCX under, top speed 110mph at 6250rpm, i have more rpm up to 6600rpm its dyno to.

I run Bravo 1 32" lab, it has work out best so far, but this session i have broke 2 props, that one blade is broken, i know to much power for this props, and why i ask for your help.

The hull is with two step and the weighs is about 4851lbs

what would you recommend
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Old 09-23-2019, 10:13 AM
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The only way you are not going throw blades off with that much hp is to go to SSM6 props.
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Old 09-26-2019, 11:49 AM
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Originally Posted by Griff View Post
The only way you are not going throw blades off with that much hp is to go to SSM6 props.
okay, but can i run a ssm6 prop on a IMCO SCX?
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Old 09-26-2019, 11:59 AM
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IMCO does make a #6 prop shaft for the SCX 1400 lower.
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Old 09-26-2019, 11:59 AM
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I believe someone makes an adapter..........
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Old 09-26-2019, 01:11 PM
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Originally Posted by Harry75 View Post


okay, but can i run a ssm6 prop on a IMCO SCX?
SCX's can be ordered with 3 different prop shafts.
#6 Speed Master Prop Shaft & Bearing Carrier Kit SCX,SCX 4, SCT, SCXT
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Old 09-26-2019, 02:32 PM
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Thanks, but have anyone tested SSM6 prop on SCX 1400? I can not go up in dimension on the propeller 15.25 ”is max when I go -2
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Old 09-26-2019, 10:31 PM
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Originally Posted by Harry75 View Post
Thanks, but have anyone tested SSM6 prop on SCX 1400? I can not go up in dimension on the propeller 15.25 ”is max when I go -2
The SCX 1400 can be bought from IMCO with SSM6 propshaft. Not sure why you would have prop clearance issues. There is no -2 on the SCX 1400.
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