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HelicopterEngines Plugs Mufflers Fuel › Back Plate temperature on a YS50ST
08-11-2007 12:43 AM  10 years agoPost 1
Isaac F

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Panama Republic of​Panama

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I dont find the post but I am pretty sure I read here at RR that the back plate touch method does not work with the YS50......... That in order to set up correctly this engien you need a temperature tool for this.

Can you guys coment on this............

THX

Isaac

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01-23-2008 05:14 PM  9 years agoPost 2
mexitom

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mexico

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in wich part of engine do you check temp.
what is a good temp for ys 50 ?

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01-23-2008 05:50 PM  9 years agoPost 3
JEEPWORLD2002

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BLUEBELL PA USA

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i usually run mine around 190-195 deg F. I have a hi flow Gforce metal fan which cools more. U can do the back plate but the nipple is there I like 5 sec and a cool to warm touch. I run my enignes on 20% and 20 oil and 1 to 2 clicks rich on the main needle.

Trex600n Trex500 Mikado LoGo5003d// Hacker, CastleCreations,Ys 50, JR 7703d/8900, Radix

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01-23-2008 06:16 PM  9 years agoPost 4
Invrted1

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Cincinnati, Ohio

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Over 200 and you are probably lean.

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01-23-2008 09:01 PM  9 years agoPost 5
airdodger

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Johnston USA

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You can't tell with a gauge if the temperature is wrong, if it is 30 degrees out the heat will dissipate at a much faster rate than if it is 90 degrees out. The piston is going up and down about 300 times a second so the damage can happen before you even think you have a problem. Also if the heat is not being transfered to the case properly, like when a ring starts to wear the piston could be taking the excess heat and still get damaged. If it was that simple don't you think the makers of the engines would just post a temp for them to be run at. Better still put a marker on the engine that would disappear at a set temp on them, than they could just say you ran the engine too hot it's your fault. Experience is still the best way to tune, get with someone that has been running engines for a while. Listen if the engine changes tone from mellow to harsh, the smoke trail changes, the power declines, are some signs of a lean condition. Check the plug coil if it looks frosted not bright anymore, you are probably too lean, put a new one in and try over. Take a look at the piston through the exhaust port, if the piston looks dull and dry you are on the lean side, do this until you get a feel for the engine. Once set correct the needle should need tweeking rarely, if that happens first order of business is change the plug, then adjust if necessary.

Chris

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01-24-2008 01:05 AM  9 years agoPost 6
JJMAN (RIP)

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Chesapeake, Virginia​- USA

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Although I do use a temp gauge after I shut down, its only part of the equation for me. I tune the engine by the power and sound, how much did the outside temp change since I last flew, is the tail steady in a hover, am I making good smoke when the engine is under load, etc. I also keep a mental note of how long its been since I replaced the glow plug, if I cant remember, or at the first sign of a problem, replace it. I dont try to squeeze every bit of life out of glow plugs, a new glow plug can solve alot of problems and I keep several on hand.

JAY HIGGS

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