RCU Forums - View Single Post - How to convert an ATX power supply to rc use
Old 09-14-2007 | 02:15 PM
  #35  
mrasmm
Senior Member
 
Joined: Jan 2007
Posts: 4,432
Likes: 0
Received 0 Likes on 0 Posts
From: Sometown, Northern Utah
Default RE: How to convert an ATX power supply to rc use


ORIGINAL: Stewped

My supply is a bit different, but I am going to give it a try.
ORIGINAL: Stewped

I have two 7.5 ohm 10 watt resistors and two 15 ohm 10 watt resistors. Is there a way to make this work with what I have?

I also have 20 and 25 ohm.

I ran all these numbers through my head and its starting to get fuzzy.


Thanks,

Andy

depending on the resistance you want, you could go with the two 7.5 Ω resistors and the 10 Ω resistor in parallel series, what I mean is take a 7.5 Ω and a 10 Ω and put them in series, do this with both sets, then run the two sets in parallel, you'll get about 8.75Ω of net resistance or 0.58A of load, which will give 3w total load/heat dissapation, or about 1.5w per side, and about 0.86w for the 7.5Ω resistor and about 0.63w for the 10Ω resistor