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Posted by feathermerchant | Dec 25, 2009 @ 07:12 PM | 203,621 Views
Several people that know I sell 12V power supplies have asked about 24V power supplies. Due to the volume of 12V power supplies available because file servers mostly use 12V power supplies, they are really inexpensive and easy to find. 24V power supplies are expensive and hard to find. So I figured our how to put 2 12V power supplies together to make 24V. I am providing this information without warranty because there are many different power supplies out there and I have no idea if it will work on them all. The procedure is relatively simple and safe. I would not recommend anyone doing this until the read the entire directions and feel comfortable with the mod.

The mod required disassembling the power supply then adding some insulating washers under two screws.

To understand what we are doing, it is like putting 2 batteries into a flashlight. Each is 1.5V but put together end to end the result is 3V. The power supplies I use in this example I also sell here:
The power supply case and ground output are both connected to the grounded prong on the plug. This remains the same. You will isolate the output ground on ONE power supply.

See Post #261 for details:

PS - I am using Hyperion Duos and I have noticed that if I plug in the power supply first, then plug in a Duo, there is a large spark and one power supply shuts down. So I plug in the chargers first the the power cord.
Posted by feathermerchant | Jun 14, 2007 @ 06:28 PM | 23,879 Views
How about a 72" plans that weighs 8lb?
For those looking for a larger electric it could be powered by a relatively inexpensive 6S system. Think of it as a gateway plane.
Anyway, Tom at Wildharerc.com contacted me and asked me to build it and let him fly it. Here are some pics I took of it....Continue Reading