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Old 07-02-2020, 06:19 AM   #1
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3D printed capacitor clamp


The capacitor on my Bryant A/C condenser died a few days ago and I installed my last spare. It is a 45/5 mF 2" round unit. I ordered a couple of Titan Pro spares from Supply House and the listing didn't include the diameter and the ones I got are 2 3/8" diameter so they don't fit the strap clamp in the condenser.

So rather than return them I made up a clamp so I can use the larger caps when the time comes. Some of you might find it useful. Better than just leaving it adrift.

Question: is there any benefit to a using larger diameter cap assuming the same ratings and all other things being equal? Better heat management or life expectancy??

You can download the part for printing from here:

https://www.thingiverse.com/thing:4515709
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Old 07-02-2020, 01:24 PM   #2
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Re: 3D printed capacitor clamp


We just use something like this https://amzn.to/3itl1Rk and cut what we need and move screws as needed. Every unit is different.

Not a fan of the guys who tape or zip tie the new caps to the dead ones....

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Old 07-02-2020, 04:33 PM   #3
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Re: 3D printed capacitor clamp


I use screw eye zip ties for that and lots of other things. 10 ea. +- by the 100 pack at big box stores.
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Old 07-02-2020, 10:06 PM   #4
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Re: 3D printed capacitor clamp


Yeah I used to like those cable ties with the screw hole but they break and don't last. I find the roll of strapping to be the best bet due to versatility. I can cut to length, use it for pipes or wires or whatever. It's way stronger than any ties even the large ones we use on ducts.

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Old 07-03-2020, 08:41 AM   #5
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Re: 3D printed capacitor clamp


Yeah, you can always use zip ties and plastic or galvanized strapping. But I like creating stuff like this and while not really necessary it makes for a nice clean install. I am also designing a shim so the clamp will work with 2" caps as well as 2 3/8".
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Old 07-03-2020, 03:04 PM   #6
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Re: 3D printed capacitor clamp


Besides. Why have a 3D printer if you don't make neat stuff for yourself.
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Old 07-03-2020, 03:10 PM   #7
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Re: 3D printed capacitor clamp


And the Thingiverse website makes sharing this stuff super easy. For instance, I have designed Triumph motorcycle replacement turn signal stalks, tool mounts, an Ego 56 V battery mount to power bike and such, rear view camera mount for a hitch mounted bike rack, and other stuff that a few thousand folks have taken advantage of. Most folks with these printers are into making decorative knickknacks. I like making useful... if sometimes non-essential... things.

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Besides. Why have a 3D printer if you don't make neat stuff for yourself.
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