Like Tree0Likes

Prop Testing

Reply
Old 11-07-2004, 03:02 PM
  #1
Charter Member #139 /Moderator/Platinum Member
Charter Member
Thread Starter
 
klaw's Avatar
 
Join Date: Nov 2000
Location: McHenry IL /Duck Key FL
My Boats: 1989 Cigarette Bullet cig 20 resto mod
Posts: 2,201
Default Prop Testing

well my Bullet hit 77 this mornng with sto0ck 26 Bravo 1 props turning around 5300
water was flat temp upper 50s
with some tweeking and on salt water hoping for 80 wit a good current LOL
klaw is offline  
Reply With Quote
Old 11-07-2004, 04:07 PM
  #2
VIP Member
VIP Member
 
OldSchool's Avatar
 
Join Date: Dec 2001
Location: Florida
My Boats: Cigarette CC and Boston Whaler currently
Posts: 10,094
Default Re: Prop Testing

Those are good numbers Gary!!! Flat water slows me down about 5 mph. Get it back out there with a good 2 foot chop and you've got 80 easily!!
__________________
I can't talk about it right now, it's being handled by the Postal Inspector. Those guys don't mess around!
OldSchool is offline  
Reply With Quote
Old 11-08-2004, 09:14 AM
  #3
VIP Member
VIP Member
 
OldSchool's Avatar
 
Join Date: Dec 2001
Location: Florida
My Boats: Cigarette CC and Boston Whaler currently
Posts: 10,094
Default Re: Prop Testing

Quote:
Originally Posted by klaw
well my Bullet hit 77 this mornng with sto0ck 26 Bravo 1 props turning around 5300
water was flat temp upper 50s
with some tweeking and on salt water hoping for 80 wit a good current LOL
Just curious Gary, Did you have your new engines dynoed?
__________________
I can't talk about it right now, it's being handled by the Postal Inspector. Those guys don't mess around!
OldSchool is offline  
Reply With Quote
Old 11-08-2004, 09:57 AM
  #4
Charter Member #139 /Moderator/Platinum Member
Charter Member
Thread Starter
 
klaw's Avatar
 
Join Date: Nov 2000
Location: McHenry IL /Duck Key FL
My Boats: 1989 Cigarette Bullet cig 20 resto mod
Posts: 2,201
Default Re: Prop Testing

yes the numbers were
578 ft-lbs @4500 and 559 hp @ 5600 the horse power was still climbing at the rate of 2 hp per 100 rpm at this point but I think I was going to run out of carb.
klaw is offline  
Reply With Quote
Old 11-08-2004, 11:23 AM
  #5
Registered
 
HOUSTONPROP's Avatar
 
Join Date: Jul 2002
Location: Houston,texas
My Boats: n/a
Posts: 1,387
Default Re: Prop Testing

you need a little chop to lift things up and maybe hit the mark lab the props and bump them up 1' in pitch.
HOUSTONPROP is offline  
Reply With Quote
Old 11-08-2004, 12:34 PM
  #6
Registered
 
throttleup's Avatar
 
Join Date: Mar 2002
Location: Cajun Country
My Boats: AKA Throttle Up Propellers
Posts: 5,143
Default Re: Prop Testing

Klaw,

I would try a set of 24 Bravo 1's. Your motors need to spin up based on your dyno numbers.

Since Ket West is right down the road from you are you going to be there during the Worlds next week?

We will be set up in the dry pits. Stop by and we can talk about your set up and goals and make some suggestions about what may work for you.

Matt
throttleup is offline  
Reply With Quote
Old 11-08-2004, 01:45 PM
  #7
Registered
 
HOUSTONPROP's Avatar
 
Join Date: Jul 2002
Location: Houston,texas
My Boats: n/a
Posts: 1,387
Default Re: Prop Testing

24'S WOULD SLOW IT DOWN ,It would get the rpm up but you need the higher pitch props for the forward travel which in the end result more speed .

we can get 300 rpm out of working the 26 pitch props. Darin
HOUSTONPROP is offline  
Reply With Quote
Old 11-08-2004, 04:08 PM
  #8
Registered
 
throttleup's Avatar
 
Join Date: Mar 2002
Location: Cajun Country
My Boats: AKA Throttle Up Propellers
Posts: 5,143
Default Re: Prop Testing

Gary,

It's all about the torque band of the motor.

Nice talking to you, look forward to meeting you in Key West. You won't be able to miss us in the dry pits. It's going to be a blast.

Matt
throttleup is offline  
Reply With Quote
Old 11-08-2004, 09:00 PM
  #9
Registered
 
HOUSTONPROP's Avatar
 
Join Date: Jul 2002
Location: Houston,texas
My Boats: n/a
Posts: 1,387
Default Re: Prop Testing

Quote:
Originally Posted by craig223
Those are good numbers Gary!!! Flat water slows me down about 5 mph. Get it back out there with a good 2 foot chop and you've got 80 easily!!
I am with ya,flat water will slow it down,but the 26,p. labbed and some other tricks of the trade will make it come on quick.
HOUSTONPROP is offline  
Reply With Quote
Old 11-09-2004, 08:27 AM
  #10
Charter Member #139 /Moderator/Platinum Member
Charter Member
Thread Starter
 
klaw's Avatar
 
Join Date: Nov 2000
Location: McHenry IL /Duck Key FL
My Boats: 1989 Cigarette Bullet cig 20 resto mod
Posts: 2,201
Default Re: Prop Testing

well this has always been a interesting topic which I have read about in car tests sometimes a car will actually run faster in 4th gear rather then 5th gear if you have the hp to get to a higher rpm.
I will be in the position to test this in my boat because I will have a set of 26 and a set of 24 props and will run them both.
In the end I will probably will have both sets of props because I like the fact the 26 give a better 55 mph cruise rpm but since I do boat alot on a river the hole shot of the 24 will be nice and if it truly can give nme more top end the better.
klaw is offline  
Reply With Quote
Reply

Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
UNSANE
Prop Talk
4
01-25-2008 10:37 AM
T-Mone
Pantera
33
07-06-2005 08:23 PM
tssteph
Prop Talk
13
06-06-2005 07:45 PM
502SCS
General Boating Discussion
0
02-12-2005 10:52 PM
baja27
Powerplay
10
04-16-2004 09:12 AM



Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT -5. The time now is 01:08 PM.


Copyright 2011 OffShoreOnly. All rights reserved.