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Cox Engine of The Month
September-2020
sosam117's

"Traded an electric charger for this "Complete" (original) Cox Thimble Drome Olympic .15 engine. Right corner is photo as received."



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Post  robot797 on Fri May 01, 2020 2:07 pm

okey I think I have gone mad
and I will tell you why
you guys remember the time I made a cox run on gasoline
well I started experimenting
Now it runs on butane
and you would ask what about the lubrication
I just filled the fuel tank with oil
and now the carb is just a oil regulator Smile
tomorrow when the shops are open again I am gonna try to make a perfect/permanent setup
but for now my gas burner works good enough
(better video when I have the better setup)
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Post  Kim on Fri May 01, 2020 2:42 pm

COOL !!!!!!!!!!!!!!!!!!!!!!
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Post  robot797 on Fri May 01, 2020 2:53 pm

just did another test
a small Creme Brulee Burner also has enough gas and flow for the engine to run
this is gonna be fun
because I am thinking of a rc boat with a reduction gearbox
run by a butane powered cox engine
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Post  Marleysky on Fri May 01, 2020 3:24 pm

Kim wrote:COOL !!!!!!!!!!!!!!!!!!!!!!


aaaaww NO! That’s gonna bee HOT!

Like burn your fingers or burn your face off HOT!  Ya can’t blame the kid for trying.
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Post  Mark Diedrichs on Fri May 01, 2020 3:46 pm

I get it, its fun to experiment. However can you say meltdown!!! Be careful Bro!!!! I Love This Forum! This Site Rocks! Babe Bee .049 Old Bugger Old Bugger
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Post  robot797 on Fri May 01, 2020 5:00 pm

may i ask why meltdown and hot?
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Post  Jason_WI on Fri May 01, 2020 5:18 pm

Butane leak and hot engines are a bad combination.

another stupid idea 98c95e10
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Post  robot797 on Fri May 01, 2020 5:22 pm

ooooh is that all
Cool
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Post  66 Malibu on Fri May 01, 2020 5:33 pm

What could possibly go wrong ???
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Post  robot797 on Fri May 01, 2020 5:43 pm

not much
butane and propane dont like to combust trough heat
they do like sparks

butane needs temps of 405 °C to auto ignite
and the running temp of a normal nitro engine is around 105-125 °C

so I feel save enough

(also lawnmower people do this all the time)
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Post  davidll1984 on Fri May 01, 2020 10:37 pm

if read valve go wrong it may hapen fire in engine bay if y was u use metal aloy for fire wall remember guy in lanmower video use is hand to set it right if somting go wrong i just shut valve close like u did it not imposible just unsafe to engine and model tink it bether not use butane use methyl hydrate for diesel truck it have bether chance to work as fuel substitut
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Post  Admin on Sat May 02, 2020 3:41 am

Awesome!

I always thought it would be fun to make one run off hydrogen. Feeding it oil the same way. Years ago, I built a few hydrogen-oxygen electrolyzers with stainless steel plates in jars with hoses and check valves.


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Post  getback on Sat May 02, 2020 6:09 am

Its A live !!! Cool experiment Bee careful out there Small Cox Logo Small Cox Logo This Site Rocks!
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Post  robot797 on Tue May 05, 2020 2:30 pm

just made a gas mixer choke tube (I am out of those now Sad )
I need a water cooling head for the engine (if anyone has one and wanna lose it)
and a boat hull to put it in XD

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Post  Jason_WI on Tue May 05, 2020 8:58 pm

Dumas made a water cooling jacket for the Cox .049. Show up on eBay now and then.
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Post  robot797 on Sat May 09, 2020 8:02 am

i know those
but I dont think they cool that good
but that might be because I only have a old one that has lose lead as an example
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