View Single Post
  #7  
Old 09-04-2009, 12:01 PM
Bigshrimpin Bigshrimpin is offline
Senior Member
 
Join Date: Dec 2002
Location: Onset, MA
Posts: 2,712
Default Re: 23 center console w/300 Suzuki

Quote:
Today was seatrial day and with 2 people 60 gallons of fuel cruise speed was 31 with a 9 gph which comes out to a little over 3 mpg Top speed was 51 (6000 rpm)turning a 16 by 18.5 inch stainlees three blade. Dealer claims should pickup more mpg and speed once the engine breaks in. So nice to walk in the back and not have water come in the scuppers like the twins did. Digital gauges are neat and the fly by wire is refinitely a new experience. Will play more with it this weekend to learn the new digital gauges.

2.08 ratio
6000 rpm
18.5 pitch prop

would give you a top end of 46mph with 10% slip or 48mph with 5% slip. Doesn't Rev Limiter kick in at 6100 or 6300? It's tough to look down when you're moving that speed!! but GPS doesn't lie . . . so you are probably hitting 6300.

http://go-fast.com/Prop_Slip_Calculator.htm
Reply With Quote