[PSUBS-MAILIST] Kittredge human powered sub video

[Marc de Piolenc via Personal_Submersibles]

Darn. I wanted to list it as an application of an integral shroud ducted 
fan in the next edition of my book.

Marc

On 20/11/2020 7:29 am, via Personal_Submersibles wrote:
> It wasn't a shroud. It was structural. The hub had rods welded radially 
> to the ring and the prop blades were welded to that and shaped,
> Vance
> 
> 
> -----Original Message-----
> From: Marc de Piolenc via Personal_Submersibles 
> <personal_submersibles at psubs.org>
> To: Tim Novak via Personal_Submersibles <personal_submersibles at psubs.org>
> Sent: Thu, Nov 19, 2020 5:50 pm
> Subject: Re: [PSUBS-MAILIST] Kittredge human powered sub video
> 
> Wonder if the shroud is for structural, safety or hydrodynamic purposes?
> 
> On 20/11/2020 6:17 am, Tim Novak via Personal_Submersibles writes:
> 
>  > 3' diameter steel ring (1/4" X about 2") with rods welded radially, each
>  > with a sort of rough hammered paddle on it. I had some pictures
>  > somewhere, but I don't have a clue where they might be now. I wonder
>  > what happened to that thing? Does anyone know or remember the kid who
>  > was helping George that last year or so? He was about 19 or 20, and I
>  > think George left him the tools and whatnot. Be good to track him down
>  > and ask about some of those leftovers. It would be a shame if all of it
>  > was scrapped out. Could do a little phoning around, I guess.
> 
> 
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Ducted fans: http://massflow.archivale.com/