Help with propeller for 50 yamaha

[Mariner91]

As above, just about ready for the first run of my seafire casual racing boat.. One big problem I've still to sort is the propeller..

It currently has a 10 1/4 x 15 3 blade stock prop and I'm thinking I'll need more pitch.. I'm hoping to get it up to about 50mph.. Not sure how realistic that is.. I'm thinking somewhere in the region of 17 - 21" although I haven't been able to find any that are around the same diameter as the current property not sure if that's necessary?

Im not too sure about maching props and some guidance / recommendations will be much appreciated! I'm in the UK and obviously really would need to try a few.. Not sure if that's possible?

Boat and engine in pics to give an idea of what Im Working with


Thanks




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[Ron Hill]

http://www.ebay.com/itm/Signature-Se...item5b090293cd

[Mariner91]

http://www.ebay.com/itm/Signature-Se...item5b090293cd

Looks like a good prop - although probably out of my price range also I'd be too scared to buy it as knowing my luck it'd be the wrong pitch!

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[Ron Hill]

Looks like a good prop - although probably out of my price range also I'd be too scared to buy it as knowing my luck it'd be the wrong pitch!

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If you buy direct from me, it would be $300 plus shipping. We offer free exchange, you pay the shipping bothways.

[Mariner91]

If you buy direct from me, it would be $300 plus shipping. We offer free exchange, you pay the shipping bothways.

Thanks for that - sounds good. So would a semi cleaver work well with my deep v hull? Would I need to adjust engine hight?

Also.. Will this type of prop work well for general use such as skiing and rough water? Etc.

Forgive my lack of knowledge on props - never really had anything to do with them until now!

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[Mariner91]

If you buy direct from me, it would be $300 plus shipping. We offer free exchange, you pay the shipping bothways.

hello?

[filthy phill]

got to be plenty of props out there that will fit that motor.
Loads of people race the Yamaha motors.

what size is the hub ?