[Public-List] Public-List Digest, Vol 4511, Issue 1

[Mike Meinhold]

For large vessels with two shafts it is usually not recommended to use the
transmission to lock a trailing  shaft.  Neither is it good to let the
shaft spin .  A separate shaft brake is the best solution.     For our 2
bladed props hidden behind the keel, the torque is not large and locking
with the transmission is acceptable.

I would be concerned about locking a three-blade, and  providing a
significant torque to the transmission when sailing fast

On Wed, Jun 19, 2024 at 12:52 Rod Symmes via Public-List <
public-list at lists.alberg30.org> wrote:

> <<   locked the gear shift/throttle lever in forward if the engine was
> used to stop the spinning >>
> Huh..... I have not heard that before and has not happened with my YANMAR
>  3GMD  with a 3-blade.
> I  wonder if that is why I have always heard that  when the engine is
> turned off the transmission should be put in reverse to stop the
> freewheeling.
>
> Rod
>
>
>
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