[Milsurplus] ART-13 DY-17 U10?

[Michael Hanz]

Well done, Eugene!  WRT your question about the strain relief, you 
simply need a MS3420-() cable sleeve to fit into the clamp:

If you can give me the clamp ID, I may have a spare somewhere around 
here.  You can reduce the ID down to wire bundle size with heavy vinyl 
tubing or shrink tubing.  I have also seen the use of 2-3 nested sizes 
of the MS sleeve plugged into each other to reduce the ID.   Or, a lot 
of electrical tape....😁
73,
Mike  KC4TOS

On 5/29/2022 9:38 PM, W2HX wrote:
>
> Good news. Thanks to the unceasing efforts of Mike, KC4TOS, I was able 
> to separate the parts.  Mike explained that the snap ring actually 
> isn’t involved in keeping these parts together. Instead, it is used to 
> keep the contact block in the shell. The key was some penetrating oil 
> for a few hours and then a small hammer and a narrow but long piece of 
> wood to gently tap the front shell out of the middle shell. And voila!
>
> https://w2hx.com/x/ART-13/20220529_203022.jpg
>
> So here is what I have
>
> https://w2hx.com/x/ART-13/20220529_203242.jpg
>
> As several folks have pointed out, the back shell of this is quite 
> large. I am planning to use #8 AWG wires here. But as you can see in 
> this photo, the strain relief clamp is too large to actually relieve 
> any strain.
>
> https://w2hx.com/x/ART-13/20220529_203341.jpg
>
> What can I do here? Is there a better back shell I should look for? Is 
> there a part number I should search for? Anyone have something better 
> that is taking up too much space? Hihi!
>
> Thanks again to all who helped me figure this out and extra thanks to 
> Mike to stuck with me on this one!
>
> 73 Eugene W2HX
> Subscribe to my Youtube Channel: 
> https://www.youtube.com/c/w2hx-channel/videos 
> <https://www.youtube.com/c/w2hx-channel/videos>
>
> *From:* W2HX
> *Sent:* Saturday, May 28, 2022 3:06 PM
> *To:* milsurplus at mailman <milsurplus at mailman.qth.net>; 
> mrca at mailman.qth.net
> *Subject:* ART-13 DY-17 U10?
>
> Hello all,
>
> I am working on wiring up this DY-17 dynamotor for use with the ART-13.
>
> https://w2hx.com/x/ART-13/u-10.jpg
>
> Working to solder up U-10 for the DC input to the dyno, I have removed 
> the back shell/strain relief to access the solder cups. The cups are 
> pretty deep inside and so I also removed 3 screws around the perimeter 
> that appear to allow one to remove the middle shell to give more room 
> to access the solder cups.
>
> https://w2hx.com/x/ART-13/u-10b.jpg (you can see one screw removed)
>
> However, for the life of me, I can’t get the middle shell to separate 
> from the contact block of the connector. What am I doing wrong? When I 
> look down inside, I see something that could possible be a snap ring, 
> but there are no places to grip the ring to retract it, and even if I 
> use a screw driver I can’t get it to move or anything. Maybe it isn’t 
> a snap ring.
>
> Here is the inside:
>
> https://w2hx.com/x/ART-13/U-10a.jpg
>
> https://w2hx.com/x/ART-13/u-10c.jpg
>
> Is there a secret to separating this?
>
> Thanks
>
> 73 Eugene W2HX
> Subscribe to my Youtube Channel: 
> https://www.youtube.com/c/w2hx-channel/videos 
> <https://www.youtube.com/c/w2hx-channel/videos>
>
>
>
>
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-- 
Michael Hanz - KC4TOS
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