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/diy/ - Do It Yourself

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>> No.1218302 [View]
File: 10 KB, 408x286, 1498849545387.png [View same] [iqdb] [saucenao] [google]
1218302

>>1218298
>>run it at equal rpm and equal torque
>and
>>1217769
>something like two identical chainsaws running at equal RPM, then equal torque, then equal power
>then
It looks like that anon was suggesting testing fuel consumption under different sets of matching parameters to try to account for the confounding variable of adding the HHO generator to one test engine. Then it looks like you forgot basic reading comprehension.

>> No.1193561 [View]
File: 10 KB, 408x286, 1320979968072.png [View same] [iqdb] [saucenao] [google]
1193561

What grip range and diameter blind rivet should I use to join two plates of 18 gauge steel?

>> No.485442 [View]
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485442

Sup /diy/. I'm itching to do a new project, so I think I want to try making an uninterruptible power supply for my Raspberry Pi. Problem is, I know very little about electrical stuff. Can someone provide me with a circuit diagram for a simple DC UPS? Would it just be a 5-volt battery in parallel with the USB power line, or would it need to be more complicated?

>> No.289950 [View]
File: 10 KB, 408x286, 1303092051819.png [View same] [iqdb] [saucenao] [google]
289950

Dude, what?

>> No.161013 [View]
File: 10 KB, 408x286, 1298177433205.png [View same] [iqdb] [saucenao] [google]
161013

>>160979
is there a difference between volume and tone potentiometers? tone have a small piece of circuitry hardware but i havent the slightest. also 250k or 500k?

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