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Recoil Kit now available for Aimtrak Gun

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Nephasth:


--- Quote from: 8BitMonk on October 19, 2012, 12:05:41 am ---It also can't be over 5amps.

--- End quote ---

--- Quote from: nick3092 on October 22, 2012, 05:31:53 pm ---He also said "The PSU can be 5 amps or anything above this." I'm not an expert at electronics, but 5+ A seems kinda high.

--- End quote ---

Conflicting information...

8BitMonk:

This is straight from the instruction manual PDF: You will need a power supply which can output 20-36 volts with a peak current of 5 amps. The best type would be a simple unregulated unit although some laptop supplies output the required voltage/current and would be suitable. Old laptop supplies should be easy to find on Ebay.


Also before I had the right power supply I hooked mine up to a standard PC 12v power supply just to test (which I think is 25amps) and left it sit for about 10 minutes and the solenoid got super hot and melted both sides of the gun shell so I'm pretty certain the amperage needs to be low.

I just ordered 2 of the 36V power supplies suggested by Nephasth from ebay and will post a sample video of the kick they give vs. the 20 and 24v supplies I was trying. Not sure if the amperage affects the kick at all or if it's just the voltage. The 36v power supplies are 1.7amp and the 24v I'm using is 5v so we'll see.



Nephasth:


--- Quote from: 8BitMonk on October 22, 2012, 09:55:02 pm ---I just ordered 2 of the 36V power supplies suggested by Nephasth from ebay and will post a sample video of the kick they give vs. the 20 and 24v supplies I was trying.
--- End quote ---

Looking forward to it! :cheers:

wp34:


--- Quote from: nick3092 on October 22, 2012, 05:31:53 pm ---
The shells are just that. No trigger, side button, screws, etc. He also said "The PSU can be 5 amps or anything above this." I'm not an expert at electronics, but 5+ A seems kinda high.

--- End quote ---

Thanks for checking on that.   :cheers:

I figured it was too good to be true.

nick3092:

And my post came straight from the guy who wrote the PDF. He also said in that PDF that unregulated is best. Meaning no limit to the amperage is fine.

I know selenoids are a little different in their current usage, but typically a device will not use more current than it needs. Which is why you can use a power supply with higher amperage than required. But you need to match the voltage.  Same reason your toaster doesn't burn out on a 20A circuit vs on a 15A circuit.

But if you had a short in your wiring, that wold explain excessive current draw.

Actually, the more I think about it, low voltage could cause an excess current draw. It happens in electric motors. They heat up durring brown out conditions when the voltage drops.

I'd be interested in hearing from any one who know more than my basic voltage x amps = wattage knowledge.

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