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-   -   Ihobby2010 Maxamps 24v 47A power supply (https://www.rc-monster.com/forum/showthread.php?t=28373)

JThiessen 10.27.2010 04:45 PM

Quote:

Originally Posted by josh9mille (Post 385603)
I would immagine they are buying brand new power suplies from the manufacturer (at least i would hope so!)

Of course they are. And what happens when two of the home brew supplies touch...same thing... I actually have to stick up for them a little on this one. Good price comparatively to other power supplies. I'm probably going to buy one myself as I dont even seem to have the time to fix my RC's anymore.

whitrzac 10.27.2010 04:47 PM

Quote:

Originally Posted by brian015 (Post 385616)
Um:
the cases are already touching and it's obviously OK
why are they not advertising 100 amps? because they are 47A supplies
read his post - he already said we're not "average Joes"
why do you think they're used?


the cases are NOT touching, they have a thin piece of something between them


most of the power supplies that I have seen have double the output at 240v then they do at 110v


the price of 1 new PS are more than what they are selling both of them for...

Bondonutz 10.27.2010 04:58 PM

http://www.feathermerchantrc.com/

brandonwilcox 10.27.2010 04:59 PM

The power supplies are brand new.

We will be offering a 1 year warranty on them that will be updated on the site shortly.

Thanks,

Brandon

BrianG 10.27.2010 05:00 PM

Personally, floating one of the cases away from ground is NOT the right way to do it. It works, but there is a potential for something internally to go wrong (like a wire coming loose) and make the case float at whatever circuit it is touching. This is why everything with a metal case is grounded. Either that, or you'd have to wrap the internals in something non-conductive and then put that in the metal case, but what's the point in having two cases? Or, remove all the internals and put them in a completely different case with only the more negative supply ground referenced.

To do this "right" with minimal work, you'd decouple the supply output ground from the case altogether (technically, this only needs to be done on one supply), tie both cases together, ground both cases, and to make things more tidy, internally create jumpers of sorts to tie the mains inputs together (just so one power cord is needed).

brian015 10.27.2010 05:08 PM

Quote:

Originally Posted by whitrzac (Post 385623)

the price of 1 new PS are more than what they are selling both of them for...

So you agree with them that they're giving the RC world a bargain!

:lol:

whitrzac 10.27.2010 05:13 PM

Quote:

Originally Posted by brian015 (Post 385630)
So you agree with them that they're giving the RC world a bargain!

:lol:

you should be a politician...

brian015 10.27.2010 06:16 PM

Quote:

Originally Posted by whitrzac (Post 385631)
you should be a politician...

not a chance :wink:


edit: and now I see that your question about the cases touching was a very good one!

johnrobholmes 10.28.2010 12:18 PM

I think Brandon's response was rather good considering the distaste for MA on this board. Bravo for doing what Jason could not do- staying cool.


Consider what BrianG has stated about floating one of the case grounds. You are creating a non compliant power supply with the way that you are constructing them.

Ironman 10.28.2010 01:41 PM

is it UL listed?
or even saftey tested?

_paralyzed_ 10.28.2010 03:35 PM

I really don't understand the fuss. This will work as good or better than all of maxamp's exemplory products.

simplechamp 10.28.2010 11:42 PM

Quote:

Originally Posted by johnrobholmes (Post 385710)
I think Brandon's response was rather good considering the distaste for MA on this board. Bravo for doing what Jason could not do- staying cool.

+1 to this

One of the biggest rules of representing a company is NEVER, ever, ever, ever argue or antagonize with the customers (or haters, whatever the case may be). You never see any of the Castle, Tekin, or Novak guys doing it, no matter what is said about their products, because they know no good can come of it. Here's hoping MA is jumping on the bandwagon.

JThiessen 11.02.2010 06:55 PM

I just bought a pair of these off a guy over on RC-Tech. Paid about the same for them as one from MA. I just dont have the time right now to get my own configured.

padrino 11.03.2010 11:43 AM

Overall the price isn't bad and I would consider buying the 24V version to avoid the hassle of wiring them up properly. Brian pointed out some good things above and I would like to hear from Brandon on the subject, I for one am concerned that one of the cases could end up floating because it's hard to tell how they did it from the pictures.


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