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-   -   Prop help for a Formula 292 with 1130hp (https://www.offshoreonly.com/forums/prop-talk/363064-prop-help-formula-292-1130hp.html)

Harry75 09-23-2019 01:38 AM

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

Griff 09-23-2019 10:13 AM

The only way you are not going throw blades off with that much hp is to go to SSM6 props.

Harry75 09-26-2019 11:49 AM


Originally Posted by Griff (Post 4707590)
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?

99silvergts 09-26-2019 11:59 AM

IMCO does make a #6 prop shaft for the SCX 1400 lower.

payuppsucker 09-26-2019 11:59 AM

I believe someone makes an adapter..........

Griff 09-26-2019 01:11 PM


Originally Posted by Harry75 (Post 4708032)


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

Harry75 09-26-2019 02:32 PM

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

Griff 09-26-2019 10:31 PM


Originally Posted by Harry75 (Post 4708062)
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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