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-   -   Bravo rotation gear use? (https://www.offshoreonly.com/forums/drives-lower-units/179663-bravo-rotation-gear-use.html)

formula31 02-12-2008 02:17 AM

Bravo rotation gear use?
 
Which prop rotation uses the lower gear for forward? Prop running clockwise or CCW from the back? oh, standard rotation engine. I can do it the hard way once I get back to my shop but would like to know.

Vinny P 02-12-2008 05:25 AM

In either rotation, the lower gears are used for forward. They simply spin in the opposite direction, for left or right handed props. What controls the lower gears direction is the upper gear set. On right handed props, the bottom gear of the upper set is forward, the top gear of the upper set is reverse.

boatguy94 02-12-2008 07:24 AM

I have been spinning a Max Machine right handed, will it do anything to it if I spin it left handed? Having to run with the port trim tab about half way down. Thanks

Vinny P 02-12-2008 07:37 AM

Providing it was set up correctly, you can you can spin it the other way. Just make sure you have a good top cap for left handed operation.

boatguy94 02-12-2008 08:28 AM

Max Maxhine Worxs out of Florida, known for high performance built it new, I bought their cast aluminum top cap ( about 2" thick) and drive shower they recomended. Pushing about 800 hp, little scared to reverse rotation in fear of breaking drive.

JaayTeee 02-12-2008 08:37 AM


Originally Posted by formula31 (Post 2441916)
Which prop rotation uses the lower gear for forward? Prop running clockwise or CCW from the back? oh, standard rotation engine. I can do it the hard way once I get back to my shop but would like to know.


R/H rotation ( clockwise) uses the bottom gear for forward.

formula31 02-12-2008 08:53 AM


Originally Posted by Vinny P (Post 2441934)
In either rotation, the lower gears are used for forward. They simply spin in the opposite direction, for left or right handed props. What controls the lower gears direction is the upper gear set. On right handed props, the bottom gear of the upper set is forward, the top gear of the upper set is reverse.


Of course I meant the upper gear set (upper or lower gear) Geeze.

formula31 02-12-2008 08:57 AM


Originally Posted by JaayTeee (Post 2442092)
R/H rotation ( clockwise) uses the bottom gear for forward.


Thats what I thought too. Thanks. I picked up a spare cheap that is in decent shape except for the upper gear clutch surface and upper clutch surface. Ill use it as a spare for the Stbd. drive only. Ive got others I can use for the Port.

Vinny P 02-12-2008 10:15 AM


Originally Posted by formula31 (Post 2442126)
Of course I meant the upper gear set (upper or lower gear) Geeze.

Sorry about that, I guess I misunderstood the way you wrote that post. Sounded to me like you ment the lower gearset.

formula31 02-12-2008 04:07 PM


Originally Posted by Vinny P (Post 2442260)
Sorry about that, I guess I misunderstood the way you wrote that post. Sounded to me like you ment the lower gearset.

Noo problem, now I know how my girlfriend feels when I get to simple explaining things to her.:D


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