RunRyder - Glow plug filament fried

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Beginners Corner > Glow plug filament fried

morray1
New Heliman
Location: Kenosha, Wisconsin

Hey guys I'm having trouble starting the new Titan 50. I had it running yesturday and today it won't start. Yesturday I used the hotshot 2 glow warmer to start it. Today I used a glow warmer from my old plane from 20 years ago. I hooked the leads to my 12v 7.5aH
battery and I think the plugs filament fried. The hotshot warmer puts out the 1.5V that's required to heat the plug. My question is,
putting 12V with the old clamp on warmer to the plug to much voltage? Is this why I'm burning up glow plugs? Thanks

05-08-2008 06:59 AM

whskytngofoxtrt
New Heliman
Location: Woodbridge NJ USA

YEP! 1.5V MAX

Life is short, FLY HARD

05-08-2008 07:02 AM

morray1
New Heliman
Location: Kenosha, Wisconsin

I thought that's what was happening! Didn't dawn on me till I went through two new plugs. So how do these guys hook them up to thier 12V battery? Do they have some sort of device to cut down the voltage between battery and warmer? If so, what? Thanks

05-08-2008 07:18 AM

nivlek
Elite Veteran
Location: Norfolk England

You need a power panel .

http://www3.towerhobbies.com/cgi-bi...panel&search=Go

At the end of the day , it gets dark .

05-08-2008 07:37 AM

tailspin90
Key Veteran
Location: Portage, IN

Silly Man, those plugs can only handle 1.5V to about 2.0V Max!!!!

Now you know, bet you don't do that again. School of hard knocks, this is how i've learned lots of things......LOL

Tailspin90

05-08-2008 10:21 AM

Way2slow
Senior Heliman
Location: Jeffersonville Ga

Running too lean will take them out pretty quick also. I've burned a number of them when it leans out letting it run out of fuel. Ran fine during flite, let it run out off fuel and it won't restart. Put another glow plug in and it runs fine again. However, 12 volts will definitly vaporize one if it was good before you connected it.

When using a glow warmer, one of those with the meter in the back come in real handy. No meter movement and you either have a bad glow plug, or dead battery.

05-08-2008 11:58 AM

BarracudaHockey
rrMaster
Location: Orange Park FL

Did they whistle before they blew?

The LHS had a batch of bad power panels where the glow outlet had 12v same as the starter outlet, the glow plugs would whistle then pop.

AMA 77227
http://www.jaxrc.com

05-08-2008 03:37 PM

morray1
New Heliman
Location: Kenosha, Wisconsin

That's exactly what happened! They sounded like a miniature bottle rocket. Yup, school of hard knocks! Been there many times. It always ends up hitting my wallet. Oh well! Thanks so much guys for the help once again.

05-08-2008 04:10 PM

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Beginners Corner > Glow plug filament fried

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