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-   -   question re actual Bravo 1 pitch (https://www.offshoreonly.com/forums/prop-talk/161493-question-re-actual-bravo-1-pitch.html)

Steve Zuckerman 06-20-2007 09:16 PM

question re actual Bravo 1 pitch
 
Hi Guys,
This gets knocked around from time to time and I would like to get a professional opinion from our resident prop experts.
Most of us have heard that the actual pitch of a Bravo 1 (stock) is approximately 1" to 1.5" less than stamped (ie 30" = 29" or 28.5").
A. is this true?
B. if true, is the correction 1", 1.5", or something else?
I realize all the #s can be changed with modifications (+ or - pitch and cup for instance). My reference is to a stocker.
Thanks for your input,
Steve

UNSANE 06-20-2007 09:29 PM

From what I understand, they are about 1" less than advertised.

Pat McPherson 06-21-2007 07:52 AM


Originally Posted by UNSANE (Post 2170970)
From what I understand, they are about 1" less than advertised.

I would agree.
A local prop shop that did repairs to a 26p B1 for me told me that they have measured the 26p a few times. They said that 26p B1s are slitely under 25". Then add some cup to that and they would be slightly over 25p.

throttleup 06-21-2007 09:46 AM


Originally Posted by Steve Zuckerman (Post 2170952)
Hi Guys,
This get knocked around from time to time and I would like to get an professional opinion from our resident prop experts.
Most of us have heard that the actual pitch of a Bravo 1 (stock) is approximately 1" to 1.5" less than stamped (ie 30" = 29" or 28.5").
A. is this true?
B. if true, is the correction 1", 1.5", or something else?
I realize all the #s can be changed with modifications (+ or - pitch and cup for instance). My reference is to a stocker.
Thanks for your input,
Steve

Yes Steve the Bravo I props are approx 1 inch less than is stamped on the hub. The exception to this is the 34P and 36P Bravo I props they can be even more than 1 inch less. For all intensive purposes reduce one inch when calculating.

Julie

UNSANE 06-21-2007 01:52 PM

I think it was Bblades that stated that there's a tiny bit of stern lift difference. As far as my boat is concerned, I can't tell a difference between the two, the boat acts the same, just "geared" up or down.

Steve Zuckerman 06-25-2007 12:03 PM


Originally Posted by throttleup (Post 2171505)
Yes Steve the Bravo I props are approx 1 inch less than is stamped on the hub. The exception to this is the 34P and 36P Bravo I props they can be even more than 1 inch less. For all intensive purposes reduce one inch when calculating.

Julie

Julie,
Thanks for the information.
Regards,
Steve


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