On Sat, 20 Feb 1999 05:43:15 -0800 Rich Measures <measures@vc.net>
writes:
>
>
>
>>
>> Last time I did this I used a piece of an old
>>fiberglass fishing rod (the large end) and ran
>>it through the resistors leaving about 3/4" extending
>>on each end and then clamped the ends onto standoffs.
>> On just about every alpha 77 I've worked on I've found
>>some arc damage from the bleeders to the mounting bolts,
>>don't like that method.
>>
>>Mark WB8JKR
>>
>? Good point. Through-bolt mtg. also blocks cooling air.
Not if done by the mfgs book.
100k
>wirewound resistors are known to have a high failure rate.
Details please.
If I
>wanted a
>Reliable bleeder for a 4kV C-filter supply, I would series up 8 to 10
>Matsushita/Panasonic 100k-ohm, 3w MOF resistors on a piece of
>perfboard
>and be done with it.
>
Absolute YUK ! 800K to 1M bleders..no way Jose.
Get a freebie Mouser catalog and put fresh batteries in the calculator.
Take nothing for granted unless you can prove it within reason. Ignore
voodoo cures.
73 Carl KM1H
>>On Sat, 20 Feb 1999 10:11:49 -0800 "Ron Spencer" <n4vos@mis.net>
>writes:
>>>
>>>Hello I need some help here. I working on the power supply for the
>>>8877 tube. The question I have is how to mount the bleeder resistors
>>>I have two ohmnite about 7 inches long, they are 100 watt 100k which
>
>>>will be in series. Can I use a thur bolt ? or would this be two
>risky ?
>>>
>>>Ron n4vos@mis.net
>
>
>
>Rich...
>
>R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
>
>
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