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Model Forum / Radio Controlled / Land Models / October 2006



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anyone using > 20% nitro?

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g20zoom@gmail.com - 11 Oct 2006 00:41 GMT
Hey...

I'm running .15 engines...has anyone tried > 20% nitro?  Can you see
any difference?
Likewise...if I used 10% nitro, would I notice?

While I'm on the topic...I've beeing using Trinity Monster brew 20%
nitro/16% oil, and my can went bad in a few months.  I always cap it
immediately, so either:
a. moisture ruined it
b. alcohol evaporated(at least some of it)
I've had this problem with Heavy oil Traxxas fuel too...where the can
went bad in the matter of months.  Anyone have this problem?  On the
other hand, I've seen a 1-2 year old can of 20% nitro/12% oil Trinity
fuel still run fine.
M78Ultra - 11 Oct 2006 04:45 GMT
Keep it if possible, in a cool dry place, and shake it up before you use it.
If your out in the hot sun..place the container in a shaded area.
I have never had a problem with O'Donnells 20% Race Blend yet.
I have had some sit for 7months and it still worked fine.

> Hey...
>
[quoted text clipped - 11 lines]
> other hand, I've seen a 1-2 year old can of 20% nitro/12% oil Trinity
> fuel still run fine.
carlhako - 12 Oct 2006 23:43 GMT
Where i live its hot and humit, does anyone keep their fuel in the
fridge?
ive found cheaper fuel i can get it for $10 per litre instead of $19
what ive been paying for so far. I have to buy 5 litres at a time to
get it at this price. Also its yellow instead of red, the expensive
stuff was 5% castor and 10% synthetic oil, this cheaper stuff is 18%
oil, the hobby store calls it clots oil?
GTD - 13 Oct 2006 00:40 GMT
>Where i live its hot and humit, does anyone keep their fuel in the
>fridge?
[quoted text clipped - 3 lines]
>stuff was 5% castor and 10% synthetic oil, this cheaper stuff is 18%
>oil, the hobby store calls it clots oil?

I can't really answer your question, but I look at it like this: The
fuel you use, is not only fuel, but also the oil for the engine, so
going cheap on fuel is just like going cheap on oil in your real car.
. .. something that I wouldn't do. .. but, YMMV
Doc - 13 Oct 2006 02:07 GMT
>>Where i live its hot and humit, does anyone keep their fuel in the
>>fridge?
[quoted text clipped - 8 lines]
> going cheap on fuel is just like going cheap on oil in your real car.
> . .. something that I wouldn't do. .. but, YMMV

KLOTZ (not clots) is one of the best.  I'd go for it.  With that oil % it's
likely formulated for airplanes or helis.  Just make sure it's 20% nitro and
it'll run just fine for bashing.  You might need a tad hotter plug to make
up for the increased oil percentage.

Doc

Doc
Richard - 13 Oct 2006 02:18 GMT
> Where i live its hot and humit, does anyone keep their fuel in the
> fridge?
[quoted text clipped - 3 lines]
> stuff was 5% castor and 10% synthetic oil, this cheaper stuff is 18%
> oil, the hobby store calls it clots oil?

Ummm, I may be wrong but I thought all RC fuels in Australia were colour
coded.  Yellow for planes, red for cars and trucks.....

The higher oil content will change the tuning of your truck.

Personally I don't like the idea of keeping the fuel in the fridge.  The
cold fuel will also change the tuning of your truck and once again when the
fuel warms up it will change again.  Sounds like a tuners nightmare.

We normally keep our fuel in a steel locker below the laundry sink locked
away and always cool.

Klotz is the brand name for the synthetic oil they mix with the castor oil.

Cheers
Doc - 13 Oct 2006 02:44 GMT
> Klotz is the brand name for the synthetic oil they mix with the castor
> oil.
>
> Cheers

Ummmmm, not really.  Klotz is a brand name, but they have about a dozen
different oil mixes for R/C engines.  Some are 100% de-gummed castor, some
are castor and synthetic mixes and some are fully synthetic.  Either way, if
it says Klotz is a decent product.

They make some wicked lubricants for 1:1 scale high-octane gassers and
al-kee-hol motors.

Doc
 
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