Boatmad.com


Reply
 
Thread Tools Display Modes
 
Old 07-03-2018, 07:57 PM   #1
Registered User
 
Country: U.K.
Location: Hayling island
Occupation: Roofer
Interests: Anything with horse power
Boat name: Sonic
Boat make: Extreme 24
Engines: Mercury racing 525
Cruising area: Solent

Join Date: Mar 2012
Location: Hayling island
Posts: 50
Drive ratio help please

I have a merc 525 with a bravo 1 xr drive 1.50 ratio spinning 30 4 blade
Prop , I want to change to a bravo 3 xr, do I keep the same ratio or will it have to change because itís a dual prop
__________________

paul180289 is offline   Reply With Quote
Old 07-06-2018, 07:25 PM   #2
Registered User
 
Country: uk
Location: dorset
Interests: wasting money on boats
Boat name: aquilla .
Boat make: windy typhoon 43 , extreme24 , fourwinns 220
Engines: tamd 75p, 496 ho, 5.0gxi
Cruising area: corfu

Join Date: Mar 2004
Location: dorset
Posts: 556
Quote:
Originally Posted by paul180289 View Post
I have a merc 525 with a bravo 1 xr drive 1.50 ratio spinning 30 4 blade
Prop , I want to change to a bravo 3 xr, do I keep the same ratio or will it have to change because itís a dual prop

paul i am doing the same with 496 ho

same ratio but might need to drop down a pitch or two
Rockey is offline   Reply With Quote
Reply

Thread Tools
Display Modes

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 Off
Pingbacks are Off
Refbacks are Off


Powered by vBadvanced CMPS v3.2.3

All times are GMT +1. The time now is 11:22 AM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2018, vBulletin Solutions, Inc.