How small is too Small of a diameter

[krisnowicki]

I am trying to narrow my prop down. I am running a 19p stainless 3 blade and it is a dog out of the hole and top end is at 4400 rpms. I am thinking of switching to a 17p 4 blade like this one:

http://cgi.ebay.com/ebaymotors/SOLA...Zp5197Q2em7QQitemZ400221619937#ht_3350wt_1165

But the 12.75 diameter seems to small.

 

[Dhadley]

Re: How small is too Small of a diameter

Those props are designed to be run on smaller gearcases. Not that it won't work but the correct size props will work much better. Generally speaking props in the 14 to 15" diameter range will work much better on a Bravo.

 

[Bondo]

Re: How small is too Small of a diameter

Ayuh,... That's an Outboard prop, the prop Barrel is also smaller, 'n it'll ventilate at the prop/ gear case junction....

 

[RogersJetboat454]

Re: How small is too Small of a diameter

Check this one out;
http://boatpropellers.iboats.com/Me...-145-17_Propeller/785/9550/?*******=979408421

Cheaper than the wrong one on ebay, and sounds like it's what your considering. On top of it all, it's from right here at iboats

 

[krisnowicki]

Re: How small is too Small of a diameter

I ordered this prop and I am getting 4800-5000 rpms and the response is awesome I can plane out at 3000 and I am getting about 11% slip

 

[steelespike]

Re: How small is too Small of a diameter

Thats great; mighty quick service and around a holiday weekend to boot!