How long to break-in?

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nospam@noway.com - 14 May 2005 23:24 GMT

Hello again,

I have lots of questions and have appreciated everyone who has responded to
me thus far. Relatively new to the hobby and still learning.

Anyhow, got the new motor in my Gladiator (Megatech Q1.6, .16 size, 1.6HP).
Ran the first three tanks according to instructions and then began to lean
it out (VERY SLOWLY) to tune it. The thing still doesn't have the power or
speed of my other Gladiator, which has a M16 motor with less horsepower
(also .16 size, 1.15HP).

I've run about 1/2 a quart thru the new one. How long generally before they
start running like they should?

Thanks again,

Doc

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Mark Stevens - 16 May 2005 01:34 GMT

> Hello again,
>
[quoted text clipped - 13 lines]
>
> Doc

Usually recommended at least 6 or 7 tanks of fuel through the engine first
and then try for leaner settings...same goes for most engines these days, be
they marine, heli, car or plane engines......been doing them now for 29
years and this way has never let me down yet.....doing same now on a new
Kyosho GX-12.

Signature

Regards........Mark
(BlueWaveStudios)
www.scale-models.co.uk (Moderator)

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nospam@noway.com - 16 May 2005 04:26 GMT

>> Hello again,
>>
[quoted text clipped - 19 lines]
> years and this way has never let me down yet.....doing same now on a new
> Kyosho GX-12.

Thanks for the reply Mark. Ran 3 tanks thru her today and she's running
much better. Lots of power now............I guess it just needed a few more
heat cycles to get everything comfy in there.

Another question: What temps should I be shooting for? I have the motor
running rich right now and it runs quite a bit hotter than my other truck
with the M16 in it. The M16 (.16, 1.15HP) runs 265* all day long on my
"track" which is 85% wide open throttle, sustained high-speed driving. The
Q1.6 (.16, 1.6HP) runs right around 300* on the same track, same type of
aggressive driving. I figure that given the motors have the same
displacement, the Q runs hotter due to a higher compression ratio.

I'm wondering if switching to a fuel with higher oil content might help keep
the Q cooler? Currently running Trinity 20/12.

Doc

Reply to this Message

Mark Stevens - 16 May 2005 17:28 GMT

>>> Hello again,
>>>
[quoted text clipped - 36 lines]
>
> Doc

The extra oil content will not do any harm, might be a bit smokier when
running but it will help your engine.
The basic rule of thumb there is the cooler it runs the better...yes try
different fuels and plugs too.....as they can often improve the performance,
stick with the ones the give you the best on that given engine....thats all
there is too it really, no need for any fancy measurements at all.

Signature

Regards........Mark
(BlueWaveStudios)
www.scale-models.co.uk (Moderator)

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Model Forum / Radio Controlled / Land Models / May 2005

How long to break-in?