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Cox Engine of The Month
September-2018
Davenz13's

"Cox Special MKII .15"



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Arden .099 and .19

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Arden .099 and .19

Post  ticomareado on Fri Feb 16, 2018 8:02 pm

I have accumulated a few Arden .099s in various conditions, some glow, some ignition and even a fixed compression diesel conversion.

In order to do a decent clean up/rebuild on these I need to disassemble them. They are fragile engines with magnesium crankcases and screw in back plates and I'm really at a loss on how to completely break them down without botching the things up or starting a magnesium fire with my micro torch.

Any advice from experienced restorers of these machines would be appreciated.
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Re: Arden .099 and .19

Post  getback on Sat Feb 17, 2018 8:26 am

Hey man , put down that mico torch and get the hair drier / monokote heat gun something of that sort .. i found this will give you some ideas .. http://www.machineconcepts.co.uk/engines/arden/arden.htm Babe Bee .049
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Re: Arden .099 and .19

Post  Ken Cook on Sat Feb 17, 2018 8:52 am

As you've mentioned, the Arden is very fragile. In fact, so fragile I probably wouldn't run it unless it's been well used. The mounts break very easily. They were made with low quality magnesium and most who own them don't use them. I have seen a handful running but due to the metallurgy of these, they're usually shelf queens. The .19 is also loud . If there's no reason to take the engine apart, I would offer it a good soaking avoiding wrenching on it. My flying partner Dan Banjock used wd-40 to keep it looking like it's original patina. Most of the time however, the cases are very discolored. A heat gun would offer the best results if trying to free the engine up.
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Re: Arden .099 and .19

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