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Old 12-02-2016, 10:00   #1
Zai
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Join Date: Mar 2011
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Boat: 2011 Bavaria 36 Cruiser
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Volvo 130 S saildrive rotation

I have a question regarding Volvo saildrives.
I have heard that the left hand drive is stronger than the right hand drive.
Is there any truth to this?
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Old 12-02-2016, 10:54   #2
Zai
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Boat: 2011 Bavaria 36 Cruiser
Posts: 144
Re: Volvo 130 S saildrive rotation

Anyone else heard about this?
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Old 12-02-2016, 12:50   #3
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Re: Volvo 130 S saildrive rotation

Many years ago the old 270, 280 and 290 stern drives as well as MS3, 4 and 5 inboard transmissions were reputed to be somewhat stronger with LH props as opposed to RH props, particularly when the engine in question was pumped up significantly for racing. This was because the RH rotation gear in the upper gear case was held in position by the case cover, while the LH drive gear was supported by the gear case, which was more rigid.

This was never a problem with the 110 or 120 saildrive because there just wasn't enough power going thru the gears to cause any problems.

The MS25s and 130s saildrives use a different upper gear box and clutch design which is equally robust with RH and LH props, so you shouldn't have any concerns with either prop rotation.

DougR
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