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Zenoah G-62 Run ?

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Old 02-05-2012, 07:01 PM
  #1
Ed
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Default Zenoah G-62 Run ?

How long will a G-62 run at full throttle on a 24 ounce tank ? ? ?
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Old 02-05-2012, 07:59 PM
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Default RE: Zenoah G-62 Run ?


Quote:
ORIGINAL: Ed

How long will a G-62 run at full throttle on a 24 ounce tank ? ? ?
A very long time - it depends on how many times you refill the tank

(sorry - couldn't resist that one)
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Old 02-05-2012, 08:34 PM
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Default RE: Zenoah G-62 Run ?

Ed,

At part throttle, doing mild airbatics & such, I've run over 20 minutes, and that's a little longer than I like to fly. Ten or fifteen minutes is about it, time for me to sit down.

A friend had an Extra with a G23, 10 0z tank, ran about 28 minutes with the throttle unhooked and no kill switch. He handed me the transmitter at 18 minutes, I flew another 10 before the tank ran dry, and handed the transmitter back.

The racing guys can probably tell you about full throttle consumption, and quote consumption in oz/minute and such.

Good luck
Dave Olson
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Old 02-06-2012, 05:45 PM
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Default RE: Zenoah G-62 Run ?

Thanks Dave ( at least everyone is not a wiseass ). I'm giving the thread a little bump again in order to get more input. I'd like further verification that I can get at least 10 minutes, at wide open throttle, on a 24 ounce tank. ............ Whatcha all think ? ? ?

ed
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Old 02-06-2012, 06:02 PM
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Default RE: Zenoah G-62 Run ?


Quote:
ORIGINAL: Ed

Thanks Dave ( at least everyone is not a wiseass ). I'm giving the thread a little bump again in order to get more input. I'd like further verification that I can get at least 10 minutes, at wide open throttle, on a 24 ounce tank. ............ Whatcha all think ? ? ?

ed
I didn't respond earlier because I don't know exactly what the consumption is at full throttle. I can guarantee you will get 10 minutes on 24 oz. of fuel though. The problem is that most people don't fly at full throttle for a whole flight.
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Old 02-06-2012, 06:07 PM
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Default RE: Zenoah G-62 Run ?

I rarely run mine over half throttle, but I wouldn't think it would burn over 2 ounces or so a minute at full tilt. Strap it down and run it wide open with a measured amount in the tank.
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Old 02-06-2012, 06:58 PM
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Default RE: Zenoah G-62 Run ?

Not sure of full throttle consumption but at near full throttle 30 minutes is possible. I know this because the the throttle link on my large Stick broke shortly after take-off and I had to fly it until it quit.

The G-62 typically consumes a tad less than 1oz/minute. This may vary due to a number of factors such as altitude density, prop choice and airframe drag.

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Old 02-06-2012, 07:40 PM
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Default RE: Zenoah G-62 Run ?

I have an 18.5 pound sport/pattern plane with a G-62, Zinger 20x10 prop, and 24 ounce tank. I fly most if not all of most of my flights at full throttle with some throttling on turnarounds. My timer is set at 10 minutes and I land with fuel each time. Not much though, just a few turns of the crank.
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Old 02-07-2012, 12:07 AM
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Default RE: Zenoah G-62 Run ?

Mine ran 2.4 oz per minute over hundreds of flights in my Z-Corsair.
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Old 02-07-2012, 07:28 AM
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Default RE: Zenoah G-62 Run ?


Quote:
ORIGINAL: bentwings

Mine ran 2.4 oz per minute over hundreds of flights in my Z-Corsair.
Sounds like a good range. According to Pe Reivers, the "rule of thumb" is engine displacement = 1 minute run time at full throttle. 62cc=2.01 oz. Individual mileage may vary.

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Old 02-08-2012, 01:34 PM
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Default RE: Zenoah G-62 Run ?

Take into account with that rule, that power equals fuel consumption. So using tuned pipes or powerful canisters raises the "rule"
The 62 is not endowed with too much power, so it should be close. (sorry Ralph)
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Old 02-08-2012, 05:39 PM
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Default RE: Zenoah G-62 Run ?


Quote:
ORIGINAL: pe reivers

Take into account with that rule, that power equals fuel consumption. So using tuned pipes or powerful canisters raises the ''rule''
The 62 is not endowed with too much power, so it should be close. (sorry Ralph)
Boy-you will catch it now.LOL
BCCHI
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Old 02-08-2012, 08:09 PM
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Default RE: Zenoah G-62 Run ?

Quote:
ORIGINAL: pe reivers

Take into account with that rule, that power equals fuel consumption. So using tuned pipes or powerful canisters raises the ''rule''
The 62 is not endowed with too much power, so it should be close. (sorry Ralph)
They aren't that bad Pe, when pipe'd and run at the right rpm they really shine

Most people over prop them to begin with, the peak torque is over 7000 according to Zenoah's torque/HP curves.
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Old 02-08-2012, 08:16 PM
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Default RE: Zenoah G-62 Run ?

The G62 is a "Open port" cylinder engine. These type engines tend to like RPM more so than "Closed port" engines which are torque engines.

I can assure you that a Zenoah/Redmax 6200 chain saw runs up around 13500 and when you stick it in the wood it will cut best around 9000 rpm.
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Old 02-08-2012, 08:21 PM
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Default RE: Zenoah G-62 Run ?

Yes sir, and that is where they run happiest at
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Old 02-09-2012, 08:12 AM
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Default RE: Zenoah G-62 Run ?

I agree. When allowed to rev up tey do bring power, especially when on tuned pipes. However, high revs and low noise do not combine.
Yet the 62 is one of the most reliable engines around, so it will always have a place at our fields, even when forced to operate outside their esign window.
Quote:
ORIGINAL: RTK

Quote:
ORIGINAL: pe reivers

Take into account with that rule, that power equals fuel consumption. So using tuned pipes or powerful canisters raises the ''rule''
The 62 is not endowed with too much power, so it should be close. (sorry Ralph)
They aren't that bad Pe, when pipe'd and run at the right rpm they really shine

Most people over prop them to begin with, the peak torque is over 7000 according to Zenoah's torque/HP curves.
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Old 02-09-2012, 08:32 AM
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Default RE: Zenoah G-62 Run ?

I don't wanna hijack the thread and of course it's most difficult thing to do

I'd like to ask a question. A lot of guys fly planes with glow engine on board from take off till the time of landing on Full-throttle, Is it risky for A GAS ENGINE to run full-throttled during the whole flight due to temperature issues or some unseen damage?

Thanks

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Old 02-09-2012, 08:48 AM
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Default RE: Zenoah G-62 Run ?

We have quite a few at our club that do the same as at yours, WOT from start until they land, I just don't get it with those glow guys. As for a gas engine, if properly tuned and cooled you can run them at WOT all day if you please, we do it with blowers, weedies, chainsaws, etc.
The only damage I could see would be to rip the wings off of one of the light aerobats running WOT, yanking and banking........
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Old 02-09-2012, 09:47 AM
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Default RE: Zenoah G-62 Run ?

Thanks RTK

I'm also a glow guy but I don't fly full throttled all time. My first Gasser project is getting completed hopefully end of this month, it would be flying.
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Old 02-09-2012, 09:58 AM
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Default RE: Zenoah G-62 Run ?

You will never want to go back to glow once you go gas
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Old 02-09-2012, 11:16 AM
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Default RE: Zenoah G-62 Run ?

Also, not a good idea to run a gasser at WOT strapped down on the ground to find out how long it will run. This is asking for overheating.
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Old 02-09-2012, 11:22 AM
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Default RE: Zenoah G-62 Run ?

RTK: I've been told that once I'd start flying Gas I won't go on glow. My first Gasser is Nitro Plane's Yak 54 120 with DLE20 motor. I have Strega 40 with ASP .52 2 stroke on it. Love it.

vertical: Running a gas engine on WOT is asking for serious overheating issues, knocking on the door of some damage to the engine?

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Old 02-09-2012, 11:29 AM
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Default RE: Zenoah G-62 Run ?


Quote:
ORIGINAL: vertical grimmace

Also, not a good idea to run a gasser at WOT strapped down on the ground to find out how long it will run. This is asking for overheating.
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Old 02-09-2012, 12:04 PM
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Default RE: Zenoah G-62 Run ?

Not only that but the fuel consumption is different in the air and on the ground
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Old 02-09-2012, 01:13 PM
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Default RE: Zenoah G-62 Run ?

I used to run my Ace Extra 230 with a 16oz. tank with a G62, cdi,  and had my timer set to 8 minutes. Had some fuel left but not much. I think 2ozs/minute is pretty close with a lot of full throttle use throughout the flight.

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