[PSUBS-MAILIST] Alec's new valves

Alan via Personal_Submersibles personal_submersibles at psubs.org
Sun Oct 28 15:56:46 EDT 2018


Hank,
I would need to put a seal on the plunger & as the plunger goes
in & out it would be displacing oil, so have the same problems as with
linear actuators. As the plunger has to be a material that can be
magnetised it is vulnerable to corrosion, so I will have to coat it in
resin anyway. It is just a matter of putting the plunger on the lathe
& taking off enough metal to make room for the resin. 
I made a solenoid valve years ago. It was 60W & got hot really fast.
I have ordered a 48V & 24V solenoid mainly to see how hot they
get, how strong they are, what gauge wire they are using & how many
turns. If neither is suitable at least I will get some ideas for building one.
I have been inspired by those little open waterproofed motors I bought.
What were you going to use the solenoids for? If you want I will keep
you up to date with what I am doing, but the solenoids will take about
2 weeks to get here.
Alan


> On 29/10/2018, at 8:29 AM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> Alan,
> Why don't you just make a housing for the solenoids and oil fill.  That is one of my first projects when I get back to the sub.
> Hank
> 
> On Sunday, October 28, 2018, 12:46:29 PM MDT, Alan via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> 
> Hank,
> yes just making fun of you! It's an old English saying! 
> Thanks Alec, I see I have already "liked" them. Nice piece of work.
> You guys got me inspired & I ordered a couple of solenoids to modify Vance's
> mushroom valve design & make it electric. I will have to waterproof the solenoids,
> which will involve machining the plunger so I can coat it & it's iron tube
> receptacle with resin.
> The force varies depending on how far out the plunger is & on one I
> ordered it varied between 1 & 10kg; unfortunately I'll get a reduction in force
> after coating everything with resin. I am not sure how much spring force I should 
> need to close it yet.
> Alan
> 
> 
> 
>  
> 
>> On 29/10/2018, at 6:49 AM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>> 
>> Have you guys never heard the saying "on pins and needles"  or are you just making fun of me 
>> Hank
>> 
>> On Sunday, October 28, 2018, 8:33:01 AM MDT, Alec Smyth via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>> 
>> 
>> Yeah, I'm not sure what Hank was talking about concerning piss and needles, it doesn't sound good at all. But Alan, scroll down on this page and you'll see the valves...
>> 
>> https://www.facebook.com/pg/INNERSPACESCIENCE/posts/
>> 
>> 
>> On Sat, Oct 27, 2018 at 10:29 PM Alan via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>> Hank,
>> glad you clarified that, it read like you were an alcoholic & junky.
>> What valves were they? I haven't received any posts lately &
>> were wondering if I had missed some.
>> Alan 
>>  
>> 
>>> On 28/10/2018, at 1:20 PM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>> 
>>> Pins
>>> 
>>> 
>>> On Saturday, October 27, 2018, 6:19:32 PM MDT, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>> 
>>> 
>>> Alec,
>>> I am on pis and needles waiting to hear about your new valves and how they perform.  Have you tested them?
>>> Hank
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