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Cox Engine of The Month
April-2024
OVERLORD's

"Kress ducted fan with new Cox Conquest 15 RC"



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Five ( Three left )Cox .049 silencers for sale

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For Sale Five ( Three left )Cox .049 silencers for sale

Post  sosam117 Sat Mar 02, 2024 4:22 pm

I have for sale "Five" Cox .049 silencers with gasket/shims.
They are designed similar to the Cox car silencer where the cylinder screws down onto the silencer and tightens down on the crankcase.


These silencers are similar in design to the Cox .020 mufflers but slightly larger to accommodate the Cox .049 engine

Top of silencer
Five ( Three left )Cox .049 silencers for sale 005a_m11

Bottom of silencer
Five ( Three left )Cox .049 silencers for sale 006_mu11

Five ( Three left )Cox .049 silencers for sale 007_mu11
Five ( Three left )Cox .049 silencers for sale 008_mu10
Five ( Three left )Cox .049 silencers for sale 04905114





Installation instructions

Please check the cylinder dimensions:

As the cylinder sleeve sizes vary slightly you might have to adjust the fit?
The parts that interfere (i.D.) with the engine cylinder will need to be shaped. (enlarged?)
Using a slightly undersized wooden dowel and some 220-grit sandpaper wrapped around the dowel to carefully enlarger the hole for the cylinder sleeve by twisting the dowel/sandpaper in the hole to enlarge it. Don't overdo it now! you want a snug /slip fit.

Included with the silencer are two different thickness size shims (.008" / .012") (0.2mm/ 0.3mm) to give the silencer a tight enough fit when the cylinder is tightened down and the silencer is snug enough to not move. If it does, you'll need to add one of the shims on the bottom side of the silencer.

One more FYI (if necessary) -- use a small amount of Permatex (non-hardening) gasket sealant on the upper and lower faces of the silencer to get a really good seal.

The exhaust tubing is 5mm I.D. diameter.


If you are still interested in one of them let me know.

The cost with shipping is $44.15 using Friend & Family through PayPal.
If you use Merchandise, then the cost is $46.14 (PayPal's 4.5% Fee)


Private email me (message) if interested
I'm posting it here first before posting on the R/C Group Classifieds.
What every doesn't sell I'll be posting it there afterwards.

Thanks,
sosam117
Mike Mac


Last edited by sosam117 on Mon Apr 01, 2024 6:38 am; edited 2 times in total (Reason for editing : quantity update)
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For Sale Re: Five ( Three left )Cox .049 silencers for sale

Post  1/2A Nut Mon Mar 04, 2024 8:13 am

I bought 1 to test, the 5mm ID header should help the engine breath.

Thank you Mike!

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For Sale Re: Five ( Three left )Cox .049 silencers for sale

Post  roddie Mon Mar 04, 2024 4:06 pm

Hi Mike, What's the approx. weight of the silencer?
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For Sale Re: Five ( Three left )Cox .049 silencers for sale

Post  sosam117 Mon Mar 04, 2024 5:12 pm

roddie wrote:Hi Mike, What's the approx. weight of the silencer?


Roddie,
The .020 silencer is 1.3 grams and the .049 is 2.4 grams
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For Sale Re: Five ( Three left )Cox .049 silencers for sale

Post  sosam117 Sun Mar 10, 2024 6:49 pm

Still have "four" .049 silencers for sale?
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For Sale Re: Five ( Three left )Cox .049 silencers for sale

Post  davidll1984 Mon Mar 11, 2024 8:38 am

The collector would be perfect with this rc tuned pipe Five ( Three left )Cox .049 silencers for sale Img_2431
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For Sale Re: Five ( Three left )Cox .049 silencers for sale

Post  1/2A Nut Sun Mar 31, 2024 2:11 am

My .049 exhaust manifold came in the mail, looks like it will breath just fine.
Mike did a good job on these, can recommend.

Five ( Three left )Cox .049 silencers for sale Resize19

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For Sale Re: Five ( Three left )Cox .049 silencers for sale

Post  Greenman38633 Sun Mar 31, 2024 8:43 am

I definitely would like one. PM sent to Sosam 117
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For Sale Re: Five ( Three left )Cox .049 silencers for sale

Post  sosam117 Sun Mar 31, 2024 9:35 am

Greenman38633 wrote:I definitely would like one.  PM sent to Sosam117
  Mark Green

O.K. Mark!
Sent you a PM on payment.

Thanks,
Mike Mac
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