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Old 12-02-2019, 04:19 PM   #21
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Thanks for the link. I will contact them.
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Old 12-02-2019, 05:06 PM   #22
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Here is the link to the company. PYI is the "other" brand. All you need to do is call them and tell them the model number of the coupler you have. In my case it was a "504".

https://www.globemarinedirect.com/DriveSaver-s/177.htm

The picture is of the spacer on my Lehman.
Oh my goodness, correction required!!! The spacer is made by the Spurs company, the folks who make the prop line cutters. So very sorry for having provided bum dope.
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Old 12-02-2019, 07:48 PM   #23
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Oh my goodness, correction required!!! The spacer is made by the Spurs company, the folks who make the prop line cutters. So very sorry for having provided bum dope.
No problem. I knew about Spurs and have already contacted them but was hoping I could find a cheaper source.
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Old 12-02-2019, 08:15 PM   #24
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Oh my goodness, correction required!!! The spacer is made by the Spurs company, the folks who make the prop line cutters. So very sorry for having provided bum dope.
Hi Jack

I've been a power boat owner/enjoyer for most of my life. So far never used [nor apparently needed] a spacer/vibration-limiter.

Have heard of some problems and also of successes regarding these.

What I'd like to see is a detailed video during use; and, importantly at different [especially continuously higher] rpm.

From your experiences, do you feel these units will last at higher rpm?

Thanks!

Art
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Old 12-03-2019, 09:31 AM   #25
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Hi Jack

I've been a power boat owner/enjoyer for most of my life. So far never used [nor apparently needed] a spacer/vibration-limiter.

Have heard of some problems and also of successes regarding these.

What I'd like to see is a detailed video during use; and, importantly at different [especially continuously higher] rpm.

From your experiences, do you feel these units will last at higher rpm?

Thanks!

Art
I am not qualified to opine on how well a Drivesaver works at high RPM. I do know that they are spec'd to the engine HP, torque, and weight of the boat. A video of one in operation won't help you. All you will see is a spinñing assembly. As for their usefulness, I think they serve no purpose. See my earlier post on my experiences. Some folks have reported a bit of vibration dampening. If your engines are aligned well and your shafts are straight, in my opinion, you do not need a Drivesaver. Supposedly they save an engine when propellers strike a solid object by means of the rubber coupling fracturing but in, Steve D'Antinio's experience, this benefit is rare if non-existent. Plus, aligning an engine with more precision is made more difficult when using a Drivesaver. I eliminated mine with a nicely machined exact duplicate from Spurs, the line cutter company.
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