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HelicopterThunder TigerRAPTOR 50 › after run oil
09-10-2007 02:38 PM  10 years agoPost 1
ripley

rrApprentice

Kansas

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I have a rap 50 and wondering what little tricks you all use to actually get the after run oil in the engine without taking it out of the heli.

O.S. Hyper Rep

"Excuse me honey can you finish on your own I think thats the Fed Ex man"

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09-10-2007 08:13 PM  10 years agoPost 2
cessna151

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Missouri... Originally Indiana

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Remove glow plug.

--Eagles may soar high, but weasels don't get sucked into jet engines!--

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09-11-2007 03:29 AM  10 years agoPost 3
TerranAce007

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Austin, TX

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What type of gas are you using? Read the label on the back because some fuels (coolpower for one) already have rust inhibitors and don't require the use of after run oil.

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09-11-2007 04:15 AM  10 years agoPost 4
ripley

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Kansas

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I wonder what is causing all the corrosion on the rear bearings of some of the 50 owners.

"Excuse me honey can you finish on your own I think thats the Fed Ex man"

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09-11-2007 04:36 AM  10 years agoPost 5
Divot

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Mesa, AZ

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ripley,

I am using this to add oil directly into the fuel line
then just crank over the engine.

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09-11-2007 04:42 AM  10 years agoPost 6
ripley

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Kansas

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Hey, cool idea.

"Excuse me honey can you finish on your own I think thats the Fed Ex man"

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09-11-2007 06:16 PM  10 years agoPost 7
cessna151

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Missouri... Originally Indiana

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Not a good idea, it has been said that after run oil is not good for o-rings in the carb.

--Eagles may soar high, but weasels don't get sucked into jet engines!--

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09-11-2007 07:37 PM  10 years agoPost 8
Divot

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Mesa, AZ

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Not a good idea, it has been said that after run oil is not good for o-rings in the carb.
O-rings in carb = cheap and easy to replace and I see no proof
of that to begin with.
Rear bearing PITA and potentially very expensive.

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09-11-2007 08:40 PM  10 years agoPost 9
Nightstalker

rrElite Veteran

UK (BEDFORDSHIRE)

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I have replaced my engine bearings recently and i took them to a local bearing specialist and he had a very close look at my engine bearing that was sounding awful, now he broke then bearing down and he advised me that this bearing was not failing due to corrosion, it was due to bad vibration,
He didn't know what these bearings came from, so he had no knowledge that its from an engine running at 17.000rpm.

so to be honest if we took the time to make sure our engines run smoothest as poss it will mean the engine bearings will last longer.

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09-12-2007 01:57 PM  10 years agoPost 10
ripley

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Kansas

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Rut roh - I see where this thread is leading

"Excuse me honey can you finish on your own I think thats the Fed Ex man"

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09-12-2007 03:40 PM  10 years agoPost 11
cessna151

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Missouri... Originally Indiana

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^^^^^^
O-rings in carb = cheap and easy to replace and I see no proof
of that to begin with.
Agreed, but people still say not to do it.

--Eagles may soar high, but weasels don't get sucked into jet engines!--

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09-13-2007 05:26 AM  10 years agoPost 12
Divot

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Mesa, AZ

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Agreed, but people still say not to do it.
Who are these people...lol

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09-26-2007 08:19 PM  9 years agoPost 13
tashley

rrNovice

Texas Gulf Coast

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Personally, I wouldn't think of running a nitro engine without using after run oil afterwards. I run a fliltered tee on my fuel line and just clamp off the line to the tank, squirt a little oil in and crank the engine over for a few seconds. You can see the oil being sucked into the carb when you spin her over. I also use after run oil bottled by Performance Specialities as it's the only oil that will not affect nitrile, buna-n or polyureathane o-rings.

Tomakazi

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09-27-2007 01:21 PM  9 years agoPost 14
Heli88

rrKey Veteran

Clarkston, MI

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I have about 75 gallons in three years through my OS Hyper 50, never used after run oil running CoolPower. Runs great!

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09-27-2007 02:19 PM  9 years agoPost 15
tashley

rrNovice

Texas Gulf Coast

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Cool Power apparently has addatives that inhibit corrosion but the fact of the matter is that alcohol is hydroscopic, attracts moisture, and if you don't run a fuel that has addatives, most do not, then it's just good practice to use a shot of after run oil. The fact that alcohol is hydroscopic is also a good reason to pinch off the fuel line at the end of the day to try and run as much fuel out of the engine as possible. JMHO.

Tomakazi

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