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Forum: Engines & props

14 July 2016, 17:40

Replies: 21

Hydradrive help

Views: 4,642

Posted By beamishken

Bravo 2 or 3 will be best for a big cruiser due...

Bravo 2 or 3 will be best for a big cruiser due to the bigger blade area but in reality any of the bravo range will do they all have there plus and minus points
Mercury have a good prop calculator...

Forum: Engines & props

14 July 2016, 16:58

Replies: 21

Hydradrive help

Views: 4,642

Posted By beamishken

If your going bravo two you will need to down...

If your going bravo two you will need to down pitch to around 2.0:1ratio due to the large diameter prop on the bravo
Your already on a fine pitch prop so I'm guessing it's a big heavy boat?

Forum: Engines & props

13 July 2016, 23:04

Replies: 21

Hydradrive help

Views: 4,642

Posted By beamishken

Won't work on a hydradrive they need to be...

Won't work on a hydradrive they need to be spinning to get the oil pressure to engage the clutches

Forum: Engines & props

13 July 2016, 09:37

Replies: 21

Hydradrive help

Views: 4,642

Posted By beamishken

Bell housing suggestion is a good idea as plenty...

Bell housing suggestion is a good idea as plenty mercruiser bits about you could then swap to merc steering ram too.
I'd imagine if the trim sensor needs to be in the system then you could leave it...

Forum: Engines & props

12 July 2016, 22:01

Replies: 21

Hydradrive help

Views: 4,642

Posted By beamishken

Mercruiser drives come in a variety of ratios...

Mercruiser drives come in a variety of ratios 1.5:1 being prety common so easy to swap like for like ratio wise but it wouldn't be hard to run a prop calculation through mercruisers website for your...

Forum: Engines & props

12 July 2016, 21:49

Replies: 21

Hydradrive help

Views: 4,642

Posted By beamishken

You will need drive and shield the drilling...

You will need drive and shield the drilling pattern in the transom is the same. if you use a bravo drive there is no pump so you need an engine mounted pump.if you use an alpha it has a built in...

Forum: Engines & props

12 July 2016, 07:32

Replies: 21

Hydradrive help

Views: 4,642

Posted By beamishken

You can replace with mercruiser alpha or bravo...

You can replace with mercruiser alpha or bravo as they use the same spline and transom drilling pattern
Need to use the yamaha inner transom shield bolted to the mercruiser outer

Showing results 1 to 7 of 7

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