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Winter flying

Sun Nov 26, 2017 5:27 pm by Mark Barnes

Anyone doing any?

Comments: 7


Desktop PSU

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Desktop PSU

Post by Mark Barnes on Mon May 03, 2010 9:18 am

Right, what you guys using for desktop PSU`s and mine Shite itsself last night charging 2x 10s 5000mah so i need a new one else my flying time will suffer,

Whos using what

M

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Re: Desktop PSU

Post by Andy Sayle on Mon May 03, 2010 9:24 am

I've got a couple of cheapy 500 watt PC power supplies off of ebay for about £4 each a while back. They were plenty beefy enough to charge a 10s 5Ah pack, with one Caveat. You have to have a load on the 5v line, in order for the 12v line to regulate properly. I do this by using a car brake lamp bulb. This has the added benefit of providing a bit of light, and an indicator that the PSU is switched on....

I've also heard good reports of people using Server power supplies that are rated up to about 1kw each (approximately 55 amps available on the 12v line).

Or, if you want to spend a bit of cash, get a decent "lab grade" one. Here's a good one, we had a couple of them at the last place I worked:

http://www.rapidonline.com/Electrical-Power/Power-Supplies/Bench-PSUs/15V-DC-High-current-DC-regulated-SMPS/75296

Andy

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Re: Desktop PSU

Post by Sam Thomas on Mon May 03, 2010 9:44 am

Err... I use the lead that came with my charger, it plugs into the side........ Embarassed
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Re: Desktop PSU

Post by Rich on Mon May 03, 2010 11:30 am

they are actually using the power supply to charge the batteries not to power the charger

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Re: Desktop PSU

Post by Mark Barnes on Mon May 03, 2010 11:33 am

Correct Rich,

Luckely Ive found a 12v batt with some life in so charging has commenced for todays flying

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Re: Desktop PSU

Post by PDQ on Mon May 03, 2010 12:02 pm

maas 25a 13.6v regulated psu (available SMC as 25A or 40A)
or
110 AH Sport leisure/ starter battery from M/C batteries near Glan Clwyd
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