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Heaviest WWII Warbird flown with a G62?

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Old 12-16-2011, 07:47 PM
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Loopman
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Default Heaviest WWII Warbird flown with a G62?

Hey Guys, I was wondering what the heaviest warbird is that someone has successfully flown with a G62? I have a Vailly Aviation 92 inch P-47 with a G-62, total AUW is 38 lbs. I cannot afford to upgrade the engine but maybe I don't need to. I am not looking for a speed demon, just want to fly the pattern at our warbird meets. Let's hear some of the successes and opinions on propping, desired RPM, fuel, etc...

Thanks and Happy Flying!

Loopman
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Old 12-16-2011, 08:19 PM
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Chad Veich
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Default RE: Heaviest WWII Warbird flown with a G62?

Bryon Corsair, 86 inch span, 32 pounds, 22/6-10 prop if I recall correctly. Flew fantastic and had plenty of power here in Phoenix near sea level.
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Old 12-16-2011, 08:29 PM
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t_burley
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Default RE: Heaviest WWII Warbird flown with a G62?

Pat McCurry's prototype 109 (102" span) flew at 46 pounds
with a G62
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Old 12-17-2011, 04:36 AM
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Default RE: Heaviest WWII Warbird flown with a G62?


ORIGINAL: Loopman

Hey Guys, I was wondering what the heaviest warbird is that someone has successfully flown with a G62? I have a Vailly Aviation 92 inch P-47 with a G-62, total AUW is 38 lbs. I cannot afford to upgrade the engine but maybe I don't need to. I am not looking for a speed demon, just want to fly the pattern at our warbird meets. Let's hear some of the successes and opinions on propping, desired RPM, fuel, etc...

Thanks and Happy Flying!

Loopman
You've got almost $3000 in one of Roy Vaillancourts warbirds, and you cant afford an engine upgrade? That plane is crying for a moki 150 which will fly that plane scale, but the Vailly and Ziroli are the same size and the G-62 will fly both well.
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Old 12-17-2011, 04:41 AM
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Default RE: Heaviest WWII Warbird flown with a G62?

Mate has the Vailly Sea Fury at 42lbs flying at sea level with a G62. Milked all he could out of it before deciding to upgrade to a GT-80 for some more get-up-and-go.

Sell the boat anchor[X(] and get a DLE-55 in there. more Hp's

Thanks

dave
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Old 12-17-2011, 04:57 AM
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Default RE: Heaviest WWII Warbird flown with a G62?

It would be nice to upgrade but since I am currently still part of the unemployed statistics I cannot afford to upgrade the engine. One of the issues with going with something like a DLE55 is weight. Since the DLE is considerably lighter than the G62, I'd have to make up that difference with dead weight, plus I'm not convinced that the DLE would be more powerful than the G62. Thanks for the recommendations and opinions, please keep them coming!

Happy Flying!

Loopman
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Old 12-17-2011, 05:39 AM
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Default RE: Heaviest WWII Warbird flown with a G62?

I've never had one but I've seen a number of Ziroli corsairs fly with the G62 and a 22-10 prop and they flew very well with that engine/prop combo. They seemed to come out in the 30-35 lb range as I recall. This was in Ohio at the AF museum in Dayton at the DOGS flyin on Labor Day weekend. There was a group of warbird flyers from Indiana that came for several years with ziroli corsairs with that setup - they flew as well as any other warbird did there and there were quite a few warbirds there every year that I went there for over 10 years.. They were as fast as anything else and they would do any typical warbird maneuver easily.

An 80-90 cc engine would fly it better but since you don't have the money right now the G62 would fly it just fine if set up fairly well. And if you cn't get it running well then a bigger engine won't help much. The key is to find someone locally to help you set it up. Do you have any pictures to post of the engine setup in the plane? Maybe smeone here would have sugestions that might help.

Ed
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Old 12-17-2011, 07:01 AM
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Default RE: Heaviest WWII Warbird flown with a G62?


ORIGINAL: Loopman

. One of the issues with going with something like a DLE55 is weight. Since the DLE is considerably lighter than the G62, I'd have to make up that difference with dead weight,..............

Loopman

IMHO, if your engine has the horsepower to give you the preformance you're looking for, then the added weightof lead required for proper CG is not dead weight. The model has to balance properly. There will be "X" amount of mass ahead of the CGto make that happen. It can be a heavy , but inferior, engine, or a lighter but more powerful engine, with the neccessary extra weight to make up the differance. In any case, the model has to balance properly. Who cares how it's done if the plane flies like you expect it to?

On the other hand, if you go with a lighter , but stronger engine, and keep all of your internal componenets (servos, fuel, batteries, etc) as far forward as possible, you can end up with a much lighter model overall, and havea better flying model. I put a MOKI 2.10 in my Yellow P-47 and had to add NO extra weight for balance.
Dash
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Old 12-17-2011, 07:54 AM
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Default RE: Heaviest WWII Warbird flown with a G62?

My buddy flies a Ziroli P47 at 38 lbs on a G62 and it flies it just fine. Climb performance would be better with a bigger engine, especially during the hot summer time, but even in those conditions the plane climbs out fine, just don't rush it and let the wings do their job.

As Todd pointed out Pat flew his 109 at a high weight, but he was turning about 9000 rpm with no muffler and a APC racing prop. That was probably the real limit of what a G62 can do.


Forest
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Old 12-17-2011, 10:31 PM
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Default RE: Heaviest WWII Warbird flown with a G62?

The G62 will be fine. I find a 23x8 prop on a well broken in 62 hauls the mail very well. It did for a 35lb Ziroli Stuka. Go look at some youtube videos of the 62 at work on some heavy birds hauling them around. It will convince you. Quite frankly the G62 I think is a better engine for most to fly with because quite often I see the torque of the more powerful engines get people in a lot of trouble, especially on take off. A 26 inch prop can and does create havoc on even warbirds in the 40 lb range. I see it happen all the time.
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Old 12-18-2011, 07:37 AM
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Default RE: Heaviest WWII Warbird flown with a G62?

My Z Corsair flew at 35-36 pounds for 13 years with a G-62 and 22-10 props of many different mfg. It flew very nice and scale like. It would loop easily from straight and level. I used a scale exhaust made from copper tubing and fittings. A restrictive muffler will hurt performance some. I used to like to see around 7000 rpm on the ground.

Put the G-62 in and enjoy it.
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Old 12-18-2011, 08:41 AM
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jeff naul
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Default RE: Heaviest WWII Warbird flown with a G62?

I put the DA 50/ G-62 battle to bed a few years ago in the gas engine forum. Everybody likes to post that the light engines are more powerful because the specs on the internet say so. I did a test using the same 22/10 prop and a g-62 turned over 500 more RPM. the only problem with a g-62 is the stock muffler. DON'T USE IT! G-62 advertised power output is with it's stock muffler, DA/DLE advertised power is with a good wrap around that breathes easily. Don't be cheap and buy a good wraparound muffler. With a good broken in engine you will easily see 7k and better. Keep in mind I fly at only 70 feet above sea level so depending on location your numbers will be different.
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Old 12-19-2011, 07:01 AM
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Default RE: Heaviest WWII Warbird flown with a G62?

My Frankenschmidt 42 pounds, G-62 with 20X8-14 prop....great combo. A lot will depend on the wing design.

Jeff
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Old 12-19-2011, 08:14 AM
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Default RE: Heaviest WWII Warbird flown with a G62?

Yellow Aircraft AT 6 at 36lbs with G62.
Did just fine
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Old 12-19-2011, 03:34 PM
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Default RE: Heaviest WWII Warbird flown with a G62?

Dan Thordesen (spelling) flew his Miester Cosair with a G62. Sorry I forget what the weight was. It flew real well and he did many warbird maneuvers with it, I recall him talking about how he had modified a prop that helped. I flew with him at our local AMA air show team many many years ago and the Corsair had many flights, shame the plane suffered a midair during a scale contest at the Sepulveda Basin. Today they are putting 3x the power and displacement on this plane.

I have 4 warbirds with G62s in them, love the motor. Don't bother putting an electronic ignition on them as they are worry free.
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Old 12-20-2011, 04:05 AM
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Default RE: Heaviest WWII Warbird flown with a G62?

If you do a search here someone has a 39 pound Bates Wildcat using a G-62. I have a 37 pound Wildcat using a Saito 450 which is less powerful. How do you want the plane to perform? If you like scale flight all will be good, if you have a need for speed maybe not. You prop choice will also impact performance, choose wisely.
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Old 12-20-2011, 04:48 AM
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Default RE: Heaviest WWII Warbird flown with a G62?

Flew a 38 lb Ziroli P-40 with a G-62 for years. Flew O K with a 22-10 prop......a good one(Bolly, etc.). I felt it was borderline on power, but it never failed me. Stay with the magneto.....easy and reliable. Don't use a spring starter( robs power). .........Doug
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Old 12-30-2011, 03:57 PM
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Default RE: Heaviest WWII Warbird flown with a G62?

I have a new never run G62 that's going in my TF GS Corsair that may be finnished this summer. I just installed the factory spring starter. Crap, I did not know i would loose power because of it. how much loss are we talking about?
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Old 12-30-2011, 06:28 PM
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Default RE: Heaviest WWII Warbird flown with a G62?

Me410 don't sweat it. the G62 will fly the snot out of that Plane.I have had that very combo with a Spring Starter and ran a 20/10 Mezlik 3 blade. Fear not. Kevin.
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Old 12-31-2011, 07:44 AM
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Default RE: Heaviest WWII Warbird flown with a G62?

I have 2 Ziroli P40, one with stock G62 and another with 3W 80cc and pitts muffler, both weighed about 40lbs. G62 gives respectable flying, but 80cc motor allows for scale Mej 3blade prop (24x10) and gives great power for much better flying experience. You can really rattle the dishes on a full throttle low fly by... I would love to upgrade the G62 bird at some point, just too lazy presently. IMHO save your money or sell some stuff and go for the 3W 80 or DA 85 and get a scale prop for that warbird.
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Old 12-31-2011, 08:16 AM
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Default RE: Heaviest WWII Warbird flown with a G62?

Thanks Kevin
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Old 12-31-2011, 12:29 PM
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Default RE: Heaviest WWII Warbird flown with a G62?

Here ya go Me410 TFGS Corsair G62 Mezlik 20/10 3bl. Kevin http://www.youtube.com/watch?v=0F8XOt4QUFE
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Old 01-03-2012, 01:42 PM
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Default RE: Heaviest WWII Warbird flown with a G62?

Looking very, very good! I am eager to get mine ready by mid summer i hope..

I picked the G62 for several reasons. Other members of our club used them and are very happy. They have a good rep. The extra weight is ok because most warbirds with glass covering and paint and full cockpit/ pilot/ scale details , etc. will need wieght up front no matter how much you move radio gear forward. Magneto ignition= no battery to worry about. Easy to get parts for. They are not dogs, they put out good power. Price is fair. Quality is very good, they seem to last well.

Starting can be a pain, but I have seen the spring starter in action, and it seems to havesolved that problem.

I expect my plane to be around 30 lb. From what I have see and read, i will be good to go.
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Old 01-04-2012, 07:01 AM
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Default RE: Heaviest WWII Warbird flown with a G62?


ORIGINAL: ticketec

Mate has the Vailly Sea Fury at 42lbs flying at sea level with a G62. Milked all he could out of it before deciding to upgrade to a GT-80 for some more get-up-and-go.

Sell the boat anchor[X(] and get a DLE-55 in there. more Hp's

Thanks

dave

correct it flew quite well with the G62 but did not have a lot in reserve on the take off roll, they were very scale like though! Converted it to electronic ignition, 90 degree carb bend and 21x12 prop. The prop alone made a huge diference to it.
I have since fitted a GT80, not flown as yet.

P47 has huge wing area and at 38lbs the G62 will fly it nicely. Dont be afraid of that weight and engine combo, fit it and enjoy the model. It will be a nice combo.
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Old 01-04-2012, 07:55 AM
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Default RE: Heaviest WWII Warbird flown with a G62?

ORIGINAL: t_burley

Pat McCurry's prototype 109 (102'' span) flew at 46 pounds
with a G62
Oh my... I thought I had this won with my Meister 102" BF-109.

42lbs
22-8
Klotz Oil
87 Octane
7200 rpm
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