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HelicopterMain Discussion › How long should a glow plug last?
06-02-2004 02:11 PM  13 years agoPost 21
Rotor

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Springfield, MO USA

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Foo, that's not what all the other guys are saying, that they don't quit while in flight, as I have had OS-8s quit in the air while flying and McCoy 59 plugs too. It is just the Enya 3's that have never quit on me while flying. And, three gallons is not all that much fuel to burn before changing the glow plug. When I am flying a lot I burn a gallon a day and fly five days a week so that is five gallons a week and I may go a month without changing the plug. The key is is like many problems with our engines.....don't run them lean!!! Glow plugs don't like it when the're used in a too lean condition...

My motto is this..Fly...Rebuild...Fly

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06-02-2004 02:23 PM  13 years agoPost 22
reddragon

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Brooklyn, N.Y.

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FIVE GALLONS A WEEK!? Man I wish I had that kind of fuel reserve. You must own stock in the company.

Seriously though, plugs can go at anytime or anywhere. There is no sixth sense when it comes to them. But you can rest assured that if you run them lean you'll be spending your green.

Wayne - Fly it like you stole it! You're in good hands with Runryder!

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06-02-2004 02:27 PM  13 years agoPost 23
Doug

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Port Saint Luice Florida....

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When it won't Idle with the "heat" removed I change it likly more than15 Gal once or twice a year.

First member of Member of Bearings Anonymous

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06-02-2004 02:53 PM  13 years agoPost 24
FCM

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Surrey, England

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I run Enya #3's in my OS 32 Raptor. I inspect the plug with a magnifying glass from time to time and when the surface of the element becomes pitted and uneven, I change it.

A worn plug has a different heat rating due to the gradual errosion of the platinum element. Changing it before it finally blows should save you some engine tuning problems apart from the obvious in-flight flame out.

Paul.

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06-02-2004 03:12 PM  13 years agoPost 25
Rotor

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Springfield, MO USA

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reddragon, I don't fly five days a week every week. There are times during the year that I may fly five times a week for a month and then maybe the next month only two times a week. Our local hobby store is pretty good to us heli flyers as we can buy Cool Power 30% for around 17 or 18 dollars a gallon and I see Rick's is selling Magnum 30% for 15.50 a gallon delivered if you buy it in bulk case lots so you can get together with your flying buddies and each buy say four cases each and get it for a great price....but no I don't own stock in the company but wouldn't mind being sponsered by a fuel company...

My motto is this..Fly...Rebuild...Fly

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06-02-2004 05:38 PM  13 years agoPost 26
reddragon

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Brooklyn, N.Y.

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Rotor,
That is pretty cheap for a gallon of Cool Power 30%! Here in my area it is closer to $24.00 USD per gallon for 30%. I am just glad I don't have to pay the European/Japanese prices (sorry guys). If I buy from the inter-net houses I will pay a fuel surcharge on each case that I order.

Wayne - Fly it like you stole it! You're in good hands with Runryder!

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06-02-2004 05:56 PM  13 years agoPost 27
maller

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Bucks County, PA

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ROTOR - I'm new to the hobby, but I was told from the get-go to toss the OS glow plug, and stick with the Enya's (OS 32).



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06-02-2004 06:06 PM  13 years agoPost 28
sharam

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Northern California - Fly at Morgan Hill Field

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maller,

Both the OS #8 and the Enya #3 are excellent plugs. I certainly would not toss the OS!

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06-02-2004 06:30 PM  13 years agoPost 29
iskoos

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Orlando, FL

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I am just glad I don't have to pay the European/Japanese prices (sorry guys)
reddragon

That's why people stick with 32 size engine there. I am sorry for them too

I pay around $18.00per gallon and consider myself lucky.

As for the glow plugs again, I too do think that a constant-running engine doesn't stop due to plug failure but if the throttle stick goes down to idle range, I would doubt that the engine will pick up again.

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06-03-2004 01:49 AM  13 years agoPost 30
foo

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Richfield, Minnesota

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ok well i run pretty rich and my glow plug seems fine so i will keep it for a while, or hell maybe ill change it just for ****s and giggles.... i gotta buy another gallon tomorrow anyways maybe ill pick up another plug.


and five gallons a week would get spendy spendy im like 2 gallons a month maybe and i fly mine like almost every day...

Raptor 30 v2 / OS .32 / JR 8103 / GY-401+9253 | Raptor 50 V2 / OS .50 Hyper

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06-03-2004 02:25 PM  13 years agoPost 31
reddragon

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Brooklyn, N.Y.

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Just about the same for me. My helicopters need to be a source of fun not an added expense like a wife! Glow plugs themselves are expensive. Have you seen the prices on some of the Enya and YS plugs?

Wayne - Fly it like you stole it! You're in good hands with Runryder!

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06-03-2004 05:51 PM  13 years agoPost 32
rcnuts

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Millersville, Penna

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My attitude is why take the chance, when your flying a high $$$$$ piece around? I aggree with Sharam,
I think, barring lean runs, I average about 20 - 25 flights per glow plug. I tend to run my engines a bit on the rich side.
Good advice for the pilots that dont want to take the chance of an unexpected auto.
Harris,

Hooligan, at large

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06-03-2004 06:35 PM  13 years agoPost 33
Rotor

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Springfield, MO USA

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I used to feel that way but when I stopped and thought about it there is a difference in not taking a chance and just plain throwing money away. For instance.....you bump your tail on the ground while landing...not real hard but it isn't worth the chance of going right back up and flying and having your tail go out on you..Should have checked out the tail case and contents and replaced anything that could have been damaged even the smallest chance.....However, throwing away a perfectly good glow plug just because you don't want to take the chance of a flame out even though nothing tipped you off of a problem...that might just be wasting your money. A better option for your money.....practise auto's over and over and over and then if for any reason you do have a flame out.....auto it down and fix the problem. I am not saying fly until you have a flame out but I am not sure if we take the attitude of it's always cheaper to replace than to take a chance of a crash might open a Pandora's box with everything from fuel lines to glow plugs to bearings to rotor blades to fuel to receivers to servos to batteries to transmitters etc. etc etc....But I know what you mean because I used to think that way too...

My motto is this..Fly...Rebuild...Fly

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HelicopterMain Discussion › How long should a glow plug last?
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