[TowerTalk] Cutting a FT-240 type 33...in half ??

[Ron W8RJL]

Last time I tried to saw a core it wiper the teeth right off a hack saw 
blade. Maybe it was a bad blade? Tried another, then gave up.
Ron W8RJL

----- Original Message ----- 
From: "Jim Thomson" <jim.thom at telus.net>
To: <towertalk at contesting.com>
Sent: Tuesday, February 10, 2015 12:55 AM
Subject: [TowerTalk] Cutting a FT-240 type 33...in half ??


> Ok, I have a requirement where an additional  one or two x  2.4 inch OD, 
> type 33 cores needs  to be added to  an existing choke balun.
> Since each end of the RG-393 silver plated + teflon coax is already silver 
> soldered to a 7-16 DIN connector  at each end of the nema box,
> I would rather not have to take the entire assy apart.  Major pita.    393 
> coax has TWO  silver plated braids, and in this case, each of the braids 
> has been carefully
> separated at each end, and each braid is silver soldered to a lug,  that 
> is bolted to  the 7-16 din connector flange, via the SS  8-32 machine 
> screws.
> IE: 2 of the 4 corners of each 7-16 din female coax connector gets a braid 
> attachment.
>
> Can a 2.4 inch OD, 1.4 inch ID, type 33 toroid  be cut in half, edges 
> sanded,  then  placed around the existing  4-5 turns of 393 coax, then
> held together via glue, ty-raps, both, or some other method ???   I have 
> an excellent H-V bandsaw, made for cutting steel, hard steel, and AL.
> IE: 80-120-200 ft per minute.   It would slice through a toroid very 
> quickly.   If what I propose is feasible, it would save me a lot of grief.
> I already checked, and the big, type 43 snap on types  will not fit, since 
> they only have a 1 inch ID.
>
> Tnx...... Jim   VE7RF
>
>
>
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