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HomeAircraftHelicopterAlignT-REX 600N › Glo Plug
01-15-2009 10:40 PM  9 years agoPost 1
TREXSYNDROME

rrVeteran

Lakeland, Florida-USA

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What would cause a glo plug element to quit working, Too rich or too lean? Went through 2 plugs in 3 flights.

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01-15-2009 10:42 PM  9 years agoPost 2
dasd

rrVeteran

Carol Stream, IL

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Too lean, but it sounds like you have something floating around inside the engine. Did you use RTV to seal the muffler? What type of motor? Could be a bearing falling apart.

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01-15-2009 10:43 PM  9 years agoPost 3
baddynergy

rrElite Veteran

sierra madre, ca- usa

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using RTV as an exhaust gaket
too lean
loose head bolts
rear bearing
momentary leaning from junk in fuel filter
""""""""""""""""" from hole in fuel line

I am sure there are more but thats a start.

**Unattended children will be givin a shot of espresso and a puppy**

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01-15-2009 11:00 PM  9 years agoPost 4
TREXSYNDROME

rrVeteran

Lakeland, Florida-USA

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The motor is a new os hyper 50, used the stock gaskets to seal muffler

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01-15-2009 11:36 PM  9 years agoPost 5
LONEWOLF2440

rrElite Veteran

MYRTLE BEACH S.C

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What needle settings are u using?

MIKADO LOGO 600 TREX 550

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01-16-2009 04:35 AM  9 years agoPost 6
bigdog714

rrVeteran

Rochester, MN U.S.A.

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After break in should be one turn plus three clicks.

MD 800
Logo 600SE
Logo 14/500 Carbon
Ballistic 700
HD 500V2
Hirobo 50E
Avant 90E

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01-16-2009 07:17 PM  9 years agoPost 7
TREXSYNDROME

rrVeteran

Lakeland, Florida-USA

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Thats about where my needle settings were, But then the average air temp dropped about 25 degrees and the humidity went way down and the problems with the plug set in. I'm going to richen it up and see how that goes.

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01-16-2009 07:23 PM  9 years agoPost 8
nivlek

rrProfessor

Norfolk England

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Sometimes , if a plug coil breaks , the remains left in the engine take out the next plug etc etc . Remove the plug , fill the cylinder with fuel and spin it over (don't point the plug hole at yourself when you spin it over) ! Repeat this a couple of times and it should clear out any debris .

At the end of the day , it gets dark .

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01-17-2009 11:13 AM  9 years agoPost 9
itsjojo

rrKey Veteran

North East Pennnsylvania

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Been there, Done that, blew out plugs too.....
Since last summer I have been through this situation as well. Trex 600N Pro. Os50 Hyper. Too lean takes it out for sure. My needle range is about 1 1/4 turns out to 1 3/4 turns out through August's @ 80 degrees to January's 20 degrees. We are at 1300 ft above sea level. Your setting will vary.
I blew 2 motors and about 15 glow plugs.

Scratched my head when I had a perfect flight/landed and tried to fly again only to find the Glow-Plug was burned out. I guess the coil breaks in flight and keeps glowing from combustion and allows the engine to run. Once it shuts off, a new plug is needed.

I hadn't flow Glow aircraft since the early 90's and this was the first glow heli I had flown. I had nobody close by to help me in the beginning so I just keep trying to learn. I burned up 2 50 Hypers with holes in the piston and many plugs.

I settled in on a tune up flight each day before normal flying. I set my needle where I knew it would be close.(for me at 1 1/2 turns out. For engine safety I hovered - making sure I had a lot of smoke, then flew around watching to see if the smoke diminished. Last but not least I perform a long climb out while gradually increasing blade-pitch to see if the heli bogged. When It bogged I knew it was lean and sat her down and turned 4 clicks out (richer). This was the way I learned to tune it the Hyper so it ran right. Without fail this process gets my hyper tuned so I can fly.

Now, I always turn 4 clicks at a time. When I get it tuned in close I click 1 click at a time to fine tune it. (Arguably) the needle has 32 clicks per 360 degrees as I counted. 8-clicks per 1/4 turn. 4-clicks to the 1/8 turn. When I click 4 clicks twice I keep a mental note that it is a 1/4 turn difference. This way I could keep track mentally of the setting. I have written this down for my records too. I always close the needle and record the setting at the end of the day as well. This is the "days" setting, or the right setting for that day. I go through this procedure because I am critical on how my engine runs. I love to run the engine as hot as I can to give maximum power. I have learned a lot from this process and my records. The most important thing I learned is how much the final setting varies from day to day. I never would have thought.
Hope this helps you.
Jojo

JoJo
Foreseeing My Flybarless Future!

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01-17-2009 06:21 PM  9 years agoPost 10
RapRexkim

rrApprentice

Tacoma ,Wa

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T-rex600 glo plug
Hi TREXSYNDROME.
For OS engine turn main needle alway in and back out 11/2 turn to begin and turn to lockway 3-5 click belong what type nitro fuel you use.Low idle needle should be point at center to begin,lean to lockway just little for throttle easy respond.I live in cold weather so I did my different.If you use TT-53 you have to follow intruction came with it.It litter hard than OS engine.Main needle turn in and back out 3 turn to begin.low needle flush with housing to begin.I have two 600 with two type engine on two of them.Both fly good with both engine.
Kim

The life is too short, have fun with hobby and enjoy it

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