Avon Flyers Forum Home - Pros and Cons of Giant Scale electrics...

Ramzz 3D Pilot Faster Than A Speeding Lugi!!! Offline Forum User LastOn: May 4^th, 2021 Join: Sep 5^th, 2011 Posts: 234 Reputation: 1 Petitcodiac, NB Gender: Zodiac sign: Awards: 1 Mood:	Re: Pros and Cons of Giant Scale electrics... Reply #40 - Feb 12^th, 2013 at 11:17am Brian wrote on Feb 12^th, 2013 at 8:07am: Thanks Mark, I'll take a look... Brian I decided to try one out. This way I can bring one supply to the field and take full advantage of both chargers. I will let you know how it works.
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Brian 3D Pilot Offline Forum User LastOn: Jan 2^nd, 2016 Join: Nov 20^th, 2011 Posts: 200 Reputation: 0 St. Margarets Bay Gender: Zodiac sign: Mood:	Re: Pros and Cons of Giant Scale electrics... Reply #41 - Feb 13^th, 2013 at 7:57am Hi Mark, I couldn't find this guy....what was his name? do you know what page he was on? Thanks, Brian
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Ben Lann Aerobatic Pilot Offline Forum User LastOn: Aug 11^th, 2023 Join: Aug 15^th, 2011 Posts: 275 Reputation: 1 New Glasgow, NS Gender: Zodiac sign: Mood:	Re: Pros and Cons of Giant Scale electrics... Reply #42 - Feb 13^th, 2013 at 9:32am Might have been this one http://www.rccanada.ca/rccforum/showthread.php?t=192740&highlight=power+supply APS 75 Amp 1000 Watts Pro Grade Power Supply DUAL Volt Cascade Audio MARINE READY She is a beast!
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Brian 3D Pilot Offline Forum User LastOn: Jan 2^nd, 2016 Join: Nov 20^th, 2011 Posts: 200 Reputation: 0 St. Margarets Bay Gender: Zodiac sign: Mood:	Re: Pros and Cons of Giant Scale electrics... Reply #43 - Feb 13^th, 2013 at 2:11pm Hi Ben, Saw that one but Mark said $150....but i do think it must be the same guy, he has all kinds for sale! Brian
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Ben Lann Aerobatic Pilot Offline Forum User LastOn: Aug 11^th, 2023 Join: Aug 15^th, 2011 Posts: 275 Reputation: 1 New Glasgow, NS Gender: Zodiac sign: Mood:	Re: Pros and Cons of Giant Scale electrics... Reply #44 - Feb 13^th, 2013 at 2:28pm Oh I didn't know he had more. I think I'll hold off to see how my current setup works for me. Brian wrote on Feb 13^th, 2013 at 2:11pm: Hi Ben, Saw that one but Mark said $150....but i do think it must be the same guy, he has all kinds for sale! Brian
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Re: Pros and Cons of Giant Scale electrics...
Reply #45 - Feb 13^th, 2013 at 2:39pm

Ok, I spent some time calling around to several computer repair shops today and found several 550-600 watt supplies you can get for 30 bucks or so, but they just are not big enough to run an 800 watt charger...

in the end, i googled it again and found this at Best Buy:

http://www.bestbuy.ca/en-CA/product/apevia-apevia-1100w-computer-power-supply-at...

An 1100 watt power supply, new, for $112, and free shipping!

I don't think that can be beaten.

except for one thing....i think inside it is really 4 independent 30 amp supplies...wondering if you can wire it all into one?

Brian

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Fingers YaBB Moderator I still got all five! Offline Forum User LastOn: Yesterday Join: Mar 22^nd, 2010 Posts: 3,098 Reputation: 0 Dartmouth Gender: Zodiac sign: Awards: 3 Mood:	Re: Pros and Cons of Giant Scale electrics... Reply #46 - Feb 13^th, 2013 at 3:09pm http://www.e-fliterc.com/Products/Default.aspx?ProdID=EFLC4010 this any good??
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Re: Pros and Cons of Giant Scale electrics...
Reply #47 - Feb 13^th, 2013 at 3:21pm

Couple other places I'd try if you are looking for a computer CPU and wanted to buy new are Robotnik which are in Burnside or Bayers Lake I forget and Tigerdirect.ca.

If it was me I'd just wait till I saw server power supply go up for sale on rccanada. They are up for sale quite often.

http://www.tigerdirect.ca/applications/category/category_slc.asp?Sort=3&Nav=|c:2...

http://www.robotnik.com/home.php?cat=24

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« Last Edit: Feb 13^th, 2013 at 3:24pm by Ben Lann »

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Ben Lann Aerobatic Pilot Offline Forum User LastOn: Aug 11^th, 2023 Join: Aug 15^th, 2011 Posts: 275 Reputation: 1 New Glasgow, NS Gender: Zodiac sign: Mood:	Re: Pros and Cons of Giant Scale electrics... Reply #48 - Feb 13^th, 2013 at 3:22pm Fingers wrote on Feb 13^th, 2013 at 3:09pm: http://www.e-fliterc.com/Products/Default.aspx?ProdID=EFLC4010 this any good?? This one is only 250 watts. I need more power Sandy! That was my best Cap'n Kirk impression
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Re: Pros and Cons of Giant Scale electrics...
Reply #49 - Feb 14^th, 2013 at 7:15am

Good morning Ben,

I took a look at these and i get a bit confused because the computer power supplies sometimes run multiple busses and have several output leads. I think it might be better to buy from that guy on RC Canada because his look like real power supplies with a single output.

But, i wanted to ask you guys, what batteries you are using....

I have to buy another 8 batteries or so and i'm not sure of the "C" rating i should be getting.

I think for IMAC flying a 30c battery should be fine, but for the 3D stuff i might want more...

what do you guys think?

Brian

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waverider Aerobatic Pilot The Great White Flounder Offline Frozen Solid LastOn: Aug 7^th, 2020 Join: Nov 8^th, 2010 Posts: 499 Reputation: 0 Edmonton Gender: Zodiac sign: Awards: 1 Mood:	Re: Pros and Cons of Giant Scale electrics... Reply #50 - Feb 14^th, 2013 at 9:19am http://www.hobbyking.com/hobbyking/store/__13416__HobbyKing_600W_17V_Power_Suppl... http://www.hobbyking.com/hobbyking/store/__24245__Turnigy_1080W_100_120V_Power_S... and more
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Re: Pros and Cons of Giant Scale electrics...
Reply #51 - Feb 14^th, 2013 at 9:57am

Ben Lann wrote on Feb 13^th, 2013 at 3:22pm:

Fingers wrote on Feb 13^th, 2013 at 3:09pm:

http://www.e-fliterc.com/Products/Default.aspx?ProdID=EFLC4010

this any good??

This one is only 250 watts. I need more power Sandy! That was my best Cap'n Kirk impression Grin

We're at full boost now Captain, I canna give ya nae more!!! If I try we'll force the Thyristors into another dimension and the quaser flux will burn out leaving us with no shields or trojans, and no discernible means of support!!! Cry

What's the 250 watts mean?? Please understand electricity for me is I flip a switch and the lights come on - wall lights that is, the other lights are still out Grin

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Brian 3D Pilot Offline Forum User LastOn: Jan 2^nd, 2016 Join: Nov 20^th, 2011 Posts: 200 Reputation: 0 St. Margarets Bay Gender: Zodiac sign: Mood:	Re: Pros and Cons of Giant Scale electrics... Reply #52 - Feb 14^th, 2013 at 11:11am Hi Sandy, Watts are power! Or in technical terms, watts=volts x amps so if we have a 22 volt battery driving at say 75 amps, it's using 1650 watts of power. You can convert this to horsepower by dividing by 746, so 1650 watts is 2.21 Hp! Hope this sheds some light.... Brian
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Fingers YaBB Moderator I still got all five! Offline Forum User LastOn: Yesterday Join: Mar 22^nd, 2010 Posts: 3,098 Reputation: 0 Dartmouth Gender: Zodiac sign: Awards: 3 Mood:	Re: Pros and Cons of Giant Scale electrics... Reply #53 - Feb 14^th, 2013 at 11:18am . so what does this have to do with power supplies?? Is that power supply better or worse than then the old one out of a computer I'm presently using - if so why, if not - flip my switch
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Re: Pros and Cons of Giant Scale electrics...
Reply #54 - Feb 14^th, 2013 at 1:18pm

Hi Sandy,

Well, power supplies are rated by their power output.

The power supplies that come with most computers is a 350 watt unit. If you are a hard core gamer like myself and build your own computers, then you want more power to run multiple boards.

In our case, with the battery chargers, we have chargers for our large 6 cell batteries that put out 800 watts of power. The problem is that these chargers are 12 volt DC. So, we need to have a power supply that we can plug into a 120volt AC generator that puts out somewhere close to 800 watts.

does this make sense?

Brian

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Re: Pros and Cons of Giant Scale electrics...
Reply #55 - Feb 14^th, 2013 at 3:01pm

Well, I know our charges are 12 volt..and in most cases they plug into power supplies that plug into 120 volt ac.

My question was why is the Celetron power supply I indicated not as good as the ones you guys are talking about.... the charger charges at 12 volts? or charges TO 12 volts.... OR the charger charges at a rate of 250 watts or 800 watts, and the 800 charges faster?? I simply dunno

Trying not be obtuse, but electric doesn't register... Undecided

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Brian 3D Pilot Offline Forum User LastOn: Jan 2^nd, 2016 Join: Nov 20^th, 2011 Posts: 200 Reputation: 0 St. Margarets Bay Gender: Zodiac sign: Mood:	Re: Pros and Cons of Giant Scale electrics... Reply #56 - Feb 14^th, 2013 at 3:12pm Hi Sandy, Your power supply is every bit as good, just not as powerful. The chargers run on 12 VDC power, but they charge at the lipo battery voltage. The rate of charge (measured in "C") tells us how many amps the charger is jamming into the batteries. Clear as Mud! Brian
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Fingers YaBB Moderator I still got all five! Offline Forum User LastOn: Yesterday Join: Mar 22^nd, 2010 Posts: 3,098 Reputation: 0 Dartmouth Gender: Zodiac sign: Awards: 3 Mood:	Re: Pros and Cons of Giant Scale electrics... Reply #57 - Feb 14^th, 2013 at 3:29pm so if I have a 250 watt charger it will charge a 2500 pack but not as fast as a 800 watt charger??
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Re: Pros and Cons of Giant Scale electrics...
Reply #58 - Feb 14^th, 2013 at 5:41pm

Fingers wrote on Feb 14^th, 2013 at 3:29pm:

so if I have a 250 watt charger it will charge a 2500 pack but not as fast as a 800 watt charger??

Someone else please feel free to chime in if I am way off base as I still consider myself a noob to all this.

The bigger the charger the more amps you can charge at and in-turn the quicker you can charge the lipo.

For instance the iCharger 106B-plus 250W 6s Balance/Charger has a charge range of 0.05 – 10.0A.

While the Turnigy Fatboy 8 1300W Workstation Charger has a charge range of range .10 to 40A.

All of this is dependent on the lipo you are charging. For instance if you had a 3s 2200 lipo with a 1C rating you could only charge it at 2.2 amps (1C x 2.2mah). So it really wouldn't matter what charger you used as both chargers can easily charge at 2.2 amps. Now if you had a 3s 2200 Turnigy A-Spec that has a max charge rate of 8C you could charge the lipo at 17.6 amps (8C x 2.2mah). So with the 250 watt charger you would be limited to 10 amps but the Fatboy 1300 watt you would have no problem and in-turn charge the pack faster than the 250 watt charger.

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« Last Edit: Feb 14^th, 2013 at 10:15pm by Ben Lann »

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Brian 3D Pilot Offline Forum User LastOn: Jan 2^nd, 2016 Join: Nov 20^th, 2011 Posts: 200 Reputation: 0 St. Margarets Bay Gender: Zodiac sign: Mood:	Re: Pros and Cons of Giant Scale electrics... Reply #59 - Feb 14^th, 2013 at 9:35pm That's exactly it Ben, it depends on the acceptance rate of the battery being charged. That's why we look for bigger chargers and buy batteries that can suck in the power quickly...because we want to reduce the charging time and fly more!! and God knows, i need all the air time i can get! Brian
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