[PSUBS-MAILIST] prop guards

[hank pronk via Personal_Submersibles]

 Sean, is that disturbance an issue at such low speeds?Hank
    On Thursday, June 18, 2020, 6:47:19 AM MDT, Sean T. Stevenson via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  
 
 
I'd be a bit concerned about propellor efficiency given the disturbance to the upstream water flow, but I guess if I were to fabricate something without going to the effort of profiling an actual foil section, perhaps a length of pipe as the duct with three flat bar supports, and some sort of welded wire mesh or expanded metal grate formed over the upstream side - as open a mesh as I could accept. I'd also be a bit concerned about fouling the screen, and if you did happen to suck something in, it will be that much more difficult to clear it again. Double edged sword?

Sean

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-------- Original Message --------
On Jun. 18, 2020, 06:35, hank pronk via Personal_Submersibles < personal_submersibles at psubs.org> wrote:


 Sean, I need prop guards to prevent entanglementsHank
    On Thursday, June 18, 2020, 6:27:02 AM MDT, Sean T. Stevenson via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  
 
 Hank, can you explain exactly what you're getting at? Do you mean a prop guard as in a low profile non-accelerating duct? Or a skeg of some sort?

Sean


-------- Original Message --------
On Jun. 18, 2020, 06:20, hank pronk via Personal_Submersibles < personal_submersibles at psubs.org> wrote:


Hi All, I am looking for some sort of screened prop guards that won't break the bank.  Any ideas?Hank_______________________________________________
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