[Public-List] Public-List Digest, Vol 3998, Issue 4 Two blades prop

[Marcelo D. Gentinetta]

Hi Daniel,
I know what you mean. My wife and I were out earlier along the south shore. Lovely and lively day at the same time. Perfect for our A30s. 
Kind regards,
Marcelo
Alegría #441

> On Apr 26, 2020, at 5:49 PM, Greg Hounsell via Public-List <public-list at lists.alberg30.org> wrote:
> 
> I don't understand how a prop would cause rotation when in neutral. Is
> there a strong tide or current?
> 
> Greg
> #592
> 
> On Sun, Apr 26, 2020, 6:06 PM Daniel Swords via Public-List <
> public-list at lists.alberg30.org> wrote:
> 
>>    The PO of my boat had replaced the original two blade prop with a
>> three blade prop, but fortunately had saved the original. I disliked the
>> three blade so much that I paid to have the boat hauled just to replace it
>> with the original two blade.
>> 
>> 
>> 
>>    If left in neutral the three blade spun continuously and noisily and
>> created enough turbulence to feel through the tiller. If left in gear
>> (something Yanmar recommends against) the transmission would lock-up with
>> even the slightest forward motion such that the safety interlock would
>> prevent starting the engine.     As far as I can tell the two blade prop
>> does not spin in neutral and typically parks vertically behind the keel.
>> Also, I did not notice any significant advantages with the three blade prop
>> so I gave mine away and have never considered going back.     Currently
>> sailing on Lake Pontchartrain, winds 15 gusting to 19 knots, double reefed
>> main and 110% jib. Daniel SwordsSolitude, Hull #525Mandeville, Louisiana
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