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Babelfish M25, SissySIT - general building tips and tricks
Babelfish M25, SissySIT - general building tips and tricks
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Old 20th January 2019, 01:11 AM   #311
dBel84 is offline dBel84  United States
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Quick question

I would typically build in a ground loop breaker something like Rod Elliot has on his forum

Click the image to open in full size.

I have used the varistor as indicated in the standard FW psu - is there value in still adding the remaining elements ?

..dB
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Old 20th January 2019, 01:28 AM   #312
Zen Mod is offline Zen Mod  Serbia
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Babelfish M25, SissySIT - general building tips and tricks
no varistor

power NTC , 10 to 15R


let's say at least 10mm Dia , that's enough power
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Old 20th January 2019, 01:34 AM   #313
dBel84 is offline dBel84  United States
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doh, The 10ohm NTC is what I meant

thanks ZM - I will continue
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Old 22nd January 2019, 04:47 PM   #314
carsten.witt is offline carsten.witt  Germany
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Hi,
today arrived, some mountain bike parts. :-) Step for step .... :-| I think with this "heavy head" and a washer i can put some force to the screws.
Click the image to open in full size.
Click the image to open in full size.
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Last edited by carsten.witt; 22nd January 2019 at 04:51 PM.
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Old 22nd January 2019, 05:00 PM   #315
Zen Mod is offline Zen Mod  Serbia
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Babelfish M25, SissySIT - general building tips and tricks
what size of rims you're having there?

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Old 22nd January 2019, 05:20 PM   #316
carsten.witt is offline carsten.witt  Germany
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The second of M4 (light blue marked).
I will cut them in the middle of the "t to the heat sinks" and put another from the other side, for isolation.
Hope you can understand what I mean.

P.S.: empty batteries for the keyboard :-(
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Last edited by carsten.witt; 22nd January 2019 at 05:22 PM.
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Old 22nd January 2019, 05:45 PM   #317
Zen Mod is offline Zen Mod  Serbia
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Babelfish M25, SissySIT - general building tips and tricks
naah

rims on mountain bike , ya Dodo .....

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Old 22nd January 2019, 07:09 PM   #318
carsten.witt is offline carsten.witt  Germany
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Fit perfect, feel free to use and they are cheap!
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Old 22nd January 2019, 11:21 PM   #319
Ben Mah is offline Ben Mah  Canada
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I ordered my shoulder washers for the THF-51S from Mouser when I ordered my power supply parts. So for those people needing shoulder washers and are also ordering from Mouser:

3105 Keystone Electronics | Mouser Canada
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Old 23rd January 2019, 05:05 AM   #320
dBel84 is offline dBel84  United States
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Off to cry my self asleep = my nightmare has become reality

both channels behave the exact same way, on power up there is an immediate surge in current across the 0.1R resistor ( >200mA in seconds) and the channel offset climbs to 13V before I kill power

as they are behaving so symmetrically, I must have made the same mistake in both

- triple checked P1 and P2 , they are 0R ( min resistance ) for P1 and P2 is in the middle.

.... now the not so simple task of finding it

another day

..dB
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