[PSUBS-MAILIST] prop size

[Sean T. Stevenson]

Concur - this is an excellent reference. The only place it falls short is in its addressing of propeller shrouds (Kort nozzles), but then technically these are fairings / hull form surfaces and could be considered outside the scope.

Sean


swaters at waters-ks.com wrote:
>I would recommend getting the propeller hand book by Dave Gerr. I
>bought it when I was trying to select a prop for my submarine. It has
>every calculation and explanation you could ever want in it.  
>
>Thanks,
>
>Scott Waters
>
> 
>
>-------- Original Message --------
>Subject: [PSUBS-MAILIST] prop size
>From: hank pronk <hanker_20032000 at yahoo.ca>
>Date: Wed, September 04, 2013 3:58 pm
>To: Personal Submersibles General Discussion
><personal_submersibles at psubs.org>
>
>
>I have a two part question,
>
>Is it beneficial to increase my propeller size to increase efficiency. 
>I was under the impression from my boating days that a large slow prop
>is more fuel efficient.  It should increase battery range and slow down
>the shaft speed, helping the seal.
>
>I have a much larger prop left over from boating and I am thinking of
>using it on Gamma
>
>The next question is,,, is there anyone here with the ability to
>calculate the new rpm for my given prop size and motor hp.
>
>Hank
>
>From: Jon Wallace <jonw at psubs.org>
>To: Personal Submersibles General Discussion
><personal_submersibles at psubs.org> 
>Sent: Wednesday, September 4, 2013 6:18:15 AM
>Subject: [PSUBS-MAILIST] There's gold in them-thar waters
>
>
>
>http://www.usatoday.com/story/news/nation/2013/09/03/florida-family-gold/2757357/
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