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HomeAircraftHelicopterHelicopter Main Discussion › Generators... AGAIN.. Simple answer please
08-31-2013 05:17 PM  5 years agoPost 21
doorman

rrProfessor

Sherwood, Arkansas

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Two 1000's
I do have 2 of the 1000 Hondas. I also bought the cable so thst I could hook them up together.. used it once in 5 years when we had s power outageat the house, as Dr Ben noted.. other then that the csbke stays in the trailer just in case I might need it again sometime...

Stan

AMA 2918-Team Spin Blades,,Castle Creations, Unique Aircraft

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08-31-2013 05:29 PM  5 years agoPost 22
cdrking

rrElite Veteran

Seattle

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Simple answer please
HONDA 2000i

To hover is divine, the alternative is rather PLANE.

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08-31-2013 05:46 PM  5 years agoPost 23
kris L

rrApprentice

NY

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You should search for a thread called "Questions about a Good Generator?" It is an interesting read. Educational too.

Kris

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08-31-2013 05:56 PM  5 years agoPost 24
dkshema

rrMaster

Cedar Rapids, IA

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I don't think the load on your DC Charger correlates to the same load on the AC power source.
You plug your Server Power supplies into a 120 VAC, 15 Amp circuit, but you can load your DC charger up to much higher than 15a.
Power Out will never exceed Power In. (If you make that happen, I'll buy stock in your company).

Power Out will never equal Power In, due to conversion losses in the AC/DC converter, and in the charger itself.

-----

If you are going to be averaging 500 - 550 Watts in your charging setup, a 1000 watt generator will do the job.

The specs on the Honda eu1000i say it is rated for 900 watts, with a peak rating of 1000 watts.

At 900 watts rated output, a 550 watt load represents 61 percent of the generator's rated output, leaving you with a 29 percent margin. Not bad, the generator will be quite happy. What's the downside? It may not run in ECO mode all the time, it may use a bit more fuel overall, and it might be a tiny bit louder than the guy's next to you.

-----

550 watts at 24 VDC into your charger on the DC side will require about 23 amps out of your server supplies.

That 550 watts at your charger will be a little more than 550 watts at the generator side.

But 550 W at 120 VAC is just over 4.58 amps coming from the generator. Assuming some conversion inefficiency, your generator will be pumping out maybe 5.5A at 120 VAC. I believe the output of the 1000 watt generator is rated at 8A, leaving you a 22% operating margin, worst case. Acceptable.

-----

You have stated your criteria, among them being size and weight, portability, and $$$. Unless your criteria change, pick the one that's adequate, let others spend the money you don't want to, on their generator.

-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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08-31-2013 08:21 PM  5 years agoPost 25
Tyler

rrElite Veteran

Chicagoland area

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No no no, lots of myths here on DC batts....
A myth is only a myth until personal experience teaches you otherwise.

What CAN be done with deep cycle batteries and what is BEST for deep cycle batteries to protect one's investment are certainly two different things. What one can get away with for a time and what will provide the longest usable value are also two different things.

Buying a couple of $200 AGM batteries, suitable storage boxes, Wiring, Fusing, and chargers quickly approaches the price of generators, particularly the 1,000 watt class.

The truth is that we are sharing much of the same information.

I will clarify that I am trying to represent what is the BEST advice and scenario. I also speak from my personal experiences, not just what I read on google.

Enjoy things that money can buy IF you don't lose the things money can't buy.

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08-31-2013 08:38 PM  5 years agoPost 26
Crashr30

rrApprentice

DFW

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Honda 1000
I have a Honda 1000. It will charge at a steady 25amps. 1 pack or six as long as it does not exceed 25 amps. It will do 26 but at 27 amps it will shut down after bout 5 minutes. So I just gave myself a little breathing room.

Honda or Yamaha you can not go wrong. The new Ryobi at Home Depot looks nice for about $570. All the others, well I hear good and bad all the time so to say you will like a Generac or Champion or whatever else is hard to say.

Look online for the Hondas. Wise Sales has good prices and there are some others that have good prices as well.

Team Synergy RC, Team Bobby Jacks, PowerMaster Fuels, Team Scorpion, YS Engines

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08-31-2013 08:44 PM  5 years agoPost 27
unclejane

rrElite Veteran

santa fe, NM, USA

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I too am speaking from personal experience; I've been using AGM DC batts for many years for various different projects and the entire time I've flown electrics. And I've simply not observed what you've observed. They're just not that picky and fragile and short-lived. For a decent initial investment in a pair of batts and an inexpensive AGM-mode 12V charger, you can have a "personal nuke" for your helis that will last literally for years. No fiddling, no muss, just charge and go fly.

I don't agree that the most expensive option is the best advice. Especially if its expense you don't need to go to, like the very best batts on the market and the most expensive charger. You just simply don't need to do that. One of my DC's for example is a used Optima yellow-top that I got almost 8 years ago. I don't know how many cycles it had on it when I bought it and it sat in storage for several years before I put into charge-the-heli-batts duty. It still works just fine.

Also, keep in mind they're still quite usable even after they start losing their capacity. No need to replace them right as they start to deteriorate.

I agree it's not a good option if you can't keep them in the vehicle or have other battery specific concerns. But it's just not true that they're expensive and short-lived as, well, say our flight packs, which are truly crap .

But still, a couple decent wheelchair AGM batts if you have the room will do a good, silent job out at the field for years...

LS

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09-03-2013 01:53 PM  5 years agoPost 28
Ronald Thomas

rrMaster

Gainesville, Fl, USA

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Buying a couple of $200 AGM batteries, suitable storage boxes, Wiring, Fusing, and chargers quickly approaches the price of generators, particularly the 1,000 watt class
100% true if you want it done correctly and want it to stay in the vehicle. Now if you are willing to take it in and out and it is never connected to the vehicles electronics, then you can save a little money...

Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!

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09-03-2013 01:57 PM  5 years agoPost 29
Mike Fortin

rrElite Veteran

USA

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Honda 2000i because you will end up using it for more than just charging.

I ended up getting my Honda 2000 on Craigslist for $400 bucks.

Might want to look there to see if you can find a similar deal.

Have Rotors, Will Fly!

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09-03-2013 02:01 PM  5 years agoPost 30
Eury

rrProfessor

Dover NH

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I've owned a Honda 2000 and I won't own one again. The design doesn't let you turn off gas to the carb, so if you shut it off and it gets more than a 15-20 deg tilt gas will pour out into the chassis and then onto the ground/ floor of your SUV. Other than that it was great, but the constant smell sucked and having gas pour into my Jeep was horrible. Get a Yamaha, and you won't have that issue.

Nick Crego

Citizen #0168

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09-03-2013 03:21 PM  5 years agoPost 31
RyanW

rrKey Veteran

Edmond, Oklahoma

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One more thumbs up for the Honda 2000. At IRCHA we had a Yamaha 1000 on one side of the tent and my buddy had his Honda on the other side. The Yamaha kept kicking off while we were charging two 6s 5000mAh packs. We also found that we needed to solder up some connectors, once again it kicked off multiple times (no, we were charging at the same time). Out came the Honda, zero issues and we soldered and charged the rest of the day. Day two was the same thing and on day three at IRCHA we didn't even fire up the Yamaha.

So there you go, direct comparison in real world r/c application

-Ryan
Mikado USA, Kontronik, Opti-Power, MKS Servos

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09-03-2013 04:52 PM  5 years agoPost 32
Tyler

rrElite Veteran

Chicagoland area

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I keep reading about stale fuel problems with the Hondas due to no fuel petcock. I don't have problems in this area. If not in use for over four weeks I fire it up until warmed, maybe five minutes, but have no fuel problems after three years.

Will likely start using marine grade Stabilz just because I have it on hand for other applications.

Enjoy things that money can buy IF you don't lose the things money can't buy.

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09-03-2013 05:03 PM  5 years agoPost 33
Ace Dude

rrProfessor

USA

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STA-BIL Marine formula has been working great for me. I add it every time I fill up my fuel container and it gets used in all my small engines.

  

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09-03-2013 06:07 PM  5 years agoPost 34
cdrking

rrElite Veteran

Seattle

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it gets more than a 15-20 deg tilt gas will pour out into the chassis and then onto the ground/ floor of your SUV.
Eury,

Maybe you should slow down.

To hover is divine, the alternative is rather PLANE.

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09-03-2013 06:15 PM  5 years agoPost 35
red_z06

rrProfessor

Dumont, NJ

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I keep reading about stale fuel problems with the Hondas due to no fuel petcock. I don't have problems in this area. If not in use for over four weeks I fire it up until warmed, maybe five minutes, but have no fuel problems after three years.
Mine gets stored as is from late Nov to Apr-May time frame due to weather. No stale fuel issues in 5 or so years of running it.

www.JustinJee.com

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09-03-2013 07:24 PM  5 years agoPost 36
eddiscus

rrElite Veteran

Dumont, NJ-USA

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Only comment I heard from a well respected commercial dealer/repair facility is that you want to use gasoline with a low alcohol content. To ensure this your storage run and tank should be filled with premium grade fuel which have the lower levels of alcohol.
Problem being the alcohol attracts moisture and causes oxidation of the aluminum carburetor parts.

Logo Xxtreme 800
Logo 700
Citizen 142
Synergy 766
TDR 2

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09-03-2013 07:31 PM  5 years agoPost 37
Ace Dude

rrProfessor

USA

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This is why I use STA-BIL Marine formula:

Marine Formula STA-BIL® Ethanol Fuel Treatment & Stabilizer was specifically designed to prevent Ethanol fuel related damage in marine engines. Protects against corrosion caused by today’s Ethanol blended fuels, while also cleaning the fuel system for improved performance YEAR-ROUND. Also helps remove water and stabilizes fuel. For use AT EVERY FILL UP in all gasoline powered vehicles and equipment used in high moisture environments.

  

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09-03-2013 09:42 PM  5 years agoPost 38
Tyler

rrElite Veteran

Chicagoland area

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Bingo

Enjoy things that money can buy IF you don't lose the things money can't buy.

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09-04-2013 01:16 AM  5 years agoPost 39
4cyclic

rrKey Veteran

Montreal, Can. and northern Vermont

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or use Startron additive.

Life is meaningful flying helis.

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09-04-2013 01:49 AM  5 years agoPost 40
doorman

rrProfessor

Sherwood, Arkansas

My Posts: All  Forum  Topic

Marine Formula
AceDude thanksfor the info..
Can you give an idea of where to buy it??

Thanks Stan

AMA 2918-Team Spin Blades,,Castle Creations, Unique Aircraft

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HomeAircraftHelicopterHelicopter Main Discussion › Generators... AGAIN.. Simple answer please
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