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adhesives for Delrin/PTFE

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HS93:
I have been using there products for 10 years Plus they are local to me so know a bit about them , they do a lot of trade work and his hobby is modeling ,so he started to sell some to modelers direct it is good stuff they do tings like flexi superglue with rubber in and the same for epoxy it is great for fiberglass hulls and  prop shafts . a bit of flex instead of cracking.they will also mix specials for you .

peter

minerva:
Thanks again for all your replied.
 I take it all on board. The blinkers have certainly been removed and valuable knowledge gained.
Bill
 as to the turns and current the original coil was a bit empirical increasing the number of turns until the required lifting force was achieved. I have since read another article which suggests that a different set up might achieve the same result.

kindest regards
Terry T

BillTodd:

--- Quote ---Bill
 as to the turns and current the original coil was a bit empirical increasing the number of turns until the required lifting force was achieved. I have since read another article which suggests that a different set up might achieve the same result.

--- End quote ---

Nothing wrong with that approach :)

 Now you know the ampere/turns required you could double the turns, half the current and quarter the heat generated :)


If you have a complicated bobbin or one that needs square holes etc. , 3D printing is an option (I've used it in the past for mic transformer parts)

Bill

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