Bertram31.com General Bulletin Board

Re: Prop Size-31 SF '70

Posted By: Tommy
Date: Thursday, 7 July 2005, at 10:09 p.m.

In Response To: Re: Prop Size-31 SF '70 (bruce)

Bill,

I have 20 X 23.5 four-blade props on 1.5" shafts (same engines as yours). My boat is fairly light at around 12,000 lbs. My WOT is around 4000 RPM. I normally cruise at around 3000-3200 rpms, which gives me 26-27 knots. Hope this helps.

Tommy

Messages In This Thread

Prop Size-31 SF '70
Bill Moyka -- Thursday, 7 July 2005, at 4:36 p.m.

Re: Prop Size-31 SF '70
bruce -- Thursday, 7 July 2005, at 8:15 p.m.

Re: Prop Size-31 SF '70
Tommy -- Thursday, 7 July 2005, at 10:09 p.m.

Re: Prop Size-31 SF '70
bruce -- Friday, 8 July 2005, at 6:32 a.m.

Re: Prop Size-31 SF '70
Tommy -- Friday, 8 July 2005, at 9:56 a.m.

Re: Prop Size-31 SF '70
Ed C. -- Friday, 8 July 2005, at 7:03 a.m.

Re: Prop Size-31 SF '70
Bill Moyka -- Friday, 8 July 2005, at 12:37 p.m.

Re: Prop Size-31 SF '70
bruce -- Friday, 8 July 2005, at 1:52 p.m.

Re: Prop Size-31 SF '70
Bill Moyka -- Sunday, 10 July 2005, at 12:17 p.m.

Re: Prop Size-31 SF news *LINK*
4d8ee -- Thursday, 29 June 2006, at 7:18 a.m.