21 Superboat prop?

**myancey22** · 09-25-2012, 09:45 PM

Recently bought a 1995 21' SB with a 2008 225 Pro XS, and need some suggestions on a prop. It came with a 4 blade 23p Trophy hitting 59-60 on gps at 5700-5800 WOT in smooth water. It has a jackplate too, running about 2" below the pad, 1/4 tank of gas and 2 people.

I feel this boat should have a little more top end than what I'm seeing right now! Thanks in advance for the help!

**Jamescole** · 09-25-2012, 11:00 PM

I'd try lifting it on the jack plate. 2" below the pad seems a little low. i have heard trophy's work well.. once you lift your motor get your speed up... if your on the limiter i'd go with a bigger prop....

**vnemous** · 09-26-2012, 06:09 AM

Unless the boat is heavy you should be in the 70's with that engine. You didnt say anything about setback. Hopefully your motors ok cause that is slow for that.

**berzerko** · 09-26-2012, 07:06 AM

I had a shadow with a 200 and no set back it was good for 68 mph was turning a 24 chopper
you should be at conservatively 70 with that set up

**Jamescole** · 09-26-2012, 07:48 AM

also when i first got my boat i didn't trim it out enough.. I was doing about 72 MPH when i started getting used to the way its flys and went up on the lift i was up around 80 very quickly. you'll get it going faster.

**myancey22** · 09-26-2012, 09:06 AM

I'll try raising her up in slow increments and see if I pick up any speed. It's setback 6" with a Bob's hyd jackplate.

Frow what I've read, it sounds like the Fury is pretty good, or possibly a chopper. I'm just trying to narrow it down before I start trying a bunch of props.

Thanks for the info so far.

**dnelson964** · 10-03-2012, 09:57 PM

For your particular set up and motor I would suggest a 14.5X25"-26" HOSS HPD for best all around use and top end. If you can find one..

Next is Yamaha M25 or Turbo Lightning 24-25.

But testing is the only way to find out what works best for every boat.

**tres** · 10-10-2012, 07:39 PM

Originally Posted by dnelson964

For your particular set up and motor I would suggest a 14.5X25"-26" HOSS HPD for best all around use and top end. If you can find one..

Next is Yamaha M25 or Turbo Lightning 24-25.

But testing is the only way to find out what works best for every boat.

Try every prop that you can......
I,m running a 30 Bravo. Great wheel but ran a 28 razor, nice too but different.
EVERY 21 SOB runs different,try as many as you can,Happy boating

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