nediver
Well-Known Member
I have this old fan that was used to cool aquarium lights years ago. It works when I direct wire it but if I use a power supply type plug it does not. What am I missing. I tried two different plugs.
I am going to mount two of them in a "puck" arrangement, and mount the puck with Velcro so that I can reposition or change it out, if needed.
I use 3M 77 Spray adhesive to attach the "puck" to the face of the fan. The adhesive sets relatively slowly and this allows you to move the "puck" to get it properly centered, yet it has enough strength to hold it in place. Once I am satisfied with the centering, I put three our four drops of Super Glue down the center hole to secure the disc more permanently. You can still separate the disc from the fan motor if necessary. The Velcro will probably work, but I think you may find it difficult to get the disc well centered and it's important to get this right.
5 minute epoxy is also a great solution. ives you about 5 minutes to center it up.
The problem I have with using epoxy is that it can be very tough to take it apart if necessary later on for any reason.
I always fear mechanical failure and want to make sure I can remove the puck if the fan dies, based on how many times I've had to replace them in a PC.
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