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HelicopterEngines Plugs Mufflers Fuel › Afterrun while storing during winter ?
10-26-2011 05:15 AM  6 years agoPost 1
danny_isr

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Colorado

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Didn't even finish break in my new HZ-R , and it's snowing here in Colorado.
I was wondering if you guys put after run in your engine (and how) ?
I tought to open the back plate and putnfew drops.
But heard in the past that CP30 actually has after run in it ?

Freya SST 91,Trex450 SE,Trex 600E

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10-26-2011 01:56 PM  6 years agoPost 2
ticedoff8

rrKey Veteran

Morgan Hill, CA. USA

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I use Marvel Mystery Oil (MMO). I get it at Ace.

Put some in your tank, take out the glow plug and open throttle 100%.
Now, spin the engine with your starter and watch the oil run through the fuel line. When it starts to blow out through the glow plug hole, you should be okay.

If you are using YP-30, it has synthetic oil. I think any fuel that has synthetic oil does a good job of preventing rust. But if you are going to hang it up for two or three months, the MMO is added insurance.

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10-26-2011 06:27 PM  6 years agoPost 3
maxw

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Ipswich Suffolk United Kingdom

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Hi

i use CP30% and during the winter stand up i normaly strip engine and lube with after run oil
if i dont strip an engine down i run the engine till it stops trying to remove all nitro then do the fuel clip up ignite the glow and try and start again making sure no nitro is left
this will still leave the oil behind its the nitro that rots the bearings etc

then if you can remove back plate and put a few drops of after run oil on the bearings and big and little end of con rod

make sure no nitro gasses are still in the exhaust then fit a plug in the end of exhaust so no air damp or moisture can get in put piston to top dead center so it closes the exhaust port off and make sure the throttle barrell is closed shut making the engine air tight

nitro and moisture in the air is bad news and will rot and rust specialy the bearings and leave till spring

hope this helps?

ps if you use muffler pressure refill tank with nitro then re enpty this will remove all the exhaust gasses from your tank

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10-26-2011 10:03 PM  6 years agoPost 4
ticedoff8

rrKey Veteran

Morgan Hill, CA. USA

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As normal operations, at the end of every flying day, I will drain the excess fuel from the tank (as much as I can), then start the engine and let it fast idle until the fuel lines / tank / fuel pump are dry.
This clears out the excess fuel from inside the engine in two ways: 1) The engine is warm, and what little excess methanol & nitro evaporate 2) The carb, crankshaft intake runner, fuel pump and lines are run dry of fresh fuel.
It isn't ready for winter storage, but the residual synthetic oil from the YP-30 or Rotor Rage has a nice layer of protection and there is little / no residual methanol or nitro to soak up water. No problems if you cannot fly for two or three weeks.

For longer term storage, running MMO through the engine with the starter until it sprays out the glow plug is the best method. It coats the fuel pump, crankshaft fuel runner (and front bearing), plus the main, rod & top end of the engine. Now, every interior part of the engine is coated - and you didn't have to remove the engine.

And - yes - absolutely store the engine with the throttle closed & plug installed.

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10-26-2011 10:07 PM  6 years agoPost 5
danny_isr

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Colorado

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its tough to predict the weather in CO , and if really need to go through storage "procedure" or not.

i do follow the "run it till the last drop" after every end of the day. i connect the glow started and crank the starter till it refuses to fire completely.

it is very dry over here , so moisture isn't an issue.

i thought running after run through the carb isn't good for the seal over there...or something like that....?

Freya SST 91,Trex450 SE,Trex 600E

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10-26-2011 10:13 PM  6 years agoPost 6
airdodger

rrElite Veteran

Johnston USA

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Petroleum based lubes could hurt the reg. I don't know if there is any good answer for storage some people do nothing and the engines are fine and others go to extreme lengths and end up with rust. I think just check the rear bearing before the next time you fire it up .

Chris

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10-26-2011 10:30 PM  6 years agoPost 7
danny_isr

rrApprentice

Colorado

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thats why i thought maybe just to open the rear plate , put few drops there , turn it few times and call it the day

Freya SST 91,Trex450 SE,Trex 600E

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HelicopterEngines Plugs Mufflers Fuel › Afterrun while storing during winter ?
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