[GreenKeys] 2 1/2A SCREW IN FUSE

[Pete Lancashire]

In the planning for  my electrical upgrade for my 50's house, iI have
included a small breaker panel that will fed with a 40A auto transformer
I've had in storage for years

On Sat, Aug 12, 2017 at 12:41 PM, Bruce Gentry <ka2ivy at verizon.net> wrote:

> I have taken the blown fuses, torn the cap off, and used the body to make
> an adapter for a cartridge fuse holder. If you look for the kind of fuse
> holder with the spring in the cap so the terminals don't move when the fuse
> is installed, you can secure it in the old fuse base with epoxy. It opens
> up a far wider choice of fuses. Motors blowing fuses brings up another
> concern - design voltage. If the synchronous motors are designed for 110 or
> 115 volts at 60 cycles, the common 120-125 seen today in many places can
> certainly cause over current and overheating. The smaller  motors in the
> newer machines and the Mite are designed to nearly fully saturate the
> magnetic structure in the motor, and a few volts over rating can send the
> current very high. Even the larger motors in the model 15 and 19 can be
> overheated to a lesser degree. The governed motors should not be affected
> by this rise in voltage.
>
>      Bruce Gentry, KA2IVY
>
>
> On 8/12/17 3:20 PM, drlegendre . wrote:
>
> I can certainly understand why one might want to have at least one
> correct, original fuse for completeness' sake, but I can't imagine why
> you'd want to actually +run+ these old fuses when it's so easy to adapt a
> cheap, modern AGC-type glass cartridge fuse.
>
> Should something go wrong, I don't see the point in burning through costly
> / NOS / vintage fuses.  It's also much easier to temporarily up-rate the
> fuse for diagnostic purposes.
>
> On Sat, Jul 29, 2017 at 6:49 PM, <hwhall at compuserve.com> wrote:
>
>> I mentioned that my local surplus store has a lot of those types &
>> offered to check the amp ratings in stock & prices. Might be able to
>> beat the e-pay price & the $8 postage but no one asked.
>>
>> Wayne
>> WB4OGM
>>
>> -----Original Message-----
>> From: Thomas Tillson via GreenKeys < <greenkeys at mailman.qth.net>
>> greenkeys at mailman.qth.net>
>> To: greenkeys <greenkeys at mailman.qth.net>
>> Sent: Sat, Jul 29, 2017 7:10 am
>> Subject: [GreenKeys] 2 1/2A SCREW IN FUSE
>>
>> I think there was a discussion on these before and I happened to come
>> across these on the e-pay place:
>>
>> http://www.ebay.com/itm/F14B-125-2-1-2A-SCREW-IN-FUSE-NEW-OL
>> D-STOCK-1-box-of-5-PCS-/290980452933?hash=item43bfc95a45:g:Y
>> IsAAOxyAc1SOfla&autorefresh=true
>>
>> No connection.
>>
>> Tom Tillson
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>
>
>
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