University featherweight battle

15th February 2017, 09:53

Hey everyone thanks for the quick response.

@bitternboy

For the speed control we will use 2 servos, one for each motor. They will mounted on a copper circuit board and be able to go 2 different speeds, full speed and half speed. Half speed is achieved by connecting 2 resistors (one for each side of the board). <- That's a rubbish description but I'll post a picture when its been built.

I'm at Brighton University and the module is taught by Ian Watts if that's useful to you.

No worries about asking questions, ask as many as you want!

@Runsler

Yes the drills do already have a gear box all I need to do is lock the clutch (I think so anyway).
@maddox10

I will say we would operate it at about 8 Bar. Does lower pressure mean less gas used (meaning more flips) or is that not how it works? For the size of the Ram I just want a small system, nothing large and expensive. Sorry for all of the questions but I really don't understand pneumatics very well (electronics student).

@everyone

Thanks

**maddox10** · 15th February 2017, 13:18

Hi Yohooshi,

Lower working pressure means bigger rams to do the job you want to do with them. Bigger means heavier, even if the materials used can be build lighter in themselfs.

Advantage of 8 bar is that you can source commercial parts. Brands, Festo, SMC, Norgren, Metalworks or even "el cheapo chinese".

In the end , the gas in the bottle can be compared with electrons in a battery.
The more work you want to do in a certain time, the faster both will be discharged.

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