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Cox Engine of The Month
"SOLD OUT" Cox .020 silencers -- currently
Page 1 of 1
"SOLD OUT" Cox .020 silencers -- currently
Cox .020 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.
Top of silencer
Bottom of silencer
Installation instructions
Please check the cylinder dimensions:
The late model Tee Dee.020 and PeeWee.020. cylinder dimensions.
The dimensions and shape of the bottom of the cylinder is .418 inch dia. (aprox. 10.62~10.63mm)
The early Pee Wee cylinder dimension is .438 inch dia. (aprox. 11.11mm)
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. Don't overdo it now! you want a snug /slip fit.
I have included a drawing of the different dimensions of the Cox 020 sleeves.
Included with the silencer are two different thickness size shims (.005 / .008) (0.13mm/ 0.20mm) 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 to the bottom 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.
Thanks,
sosam117
Mike Mac
They are designed similar to the Cox car silencer where the cylinder screws down onto the silencer and tightens down on the crankcase.
Top of silencer
Bottom of silencer
Installation instructions
Please check the cylinder dimensions:
The late model Tee Dee.020 and PeeWee.020. cylinder dimensions.
The dimensions and shape of the bottom of the cylinder is .418 inch dia. (aprox. 10.62~10.63mm)
The early Pee Wee cylinder dimension is .438 inch dia. (aprox. 11.11mm)
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. Don't overdo it now! you want a snug /slip fit.
I have included a drawing of the different dimensions of the Cox 020 sleeves.
Included with the silencer are two different thickness size shims (.005 / .008) (0.13mm/ 0.20mm) 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 to the bottom 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.
Thanks,
sosam117
Mike Mac
Last edited by sosam117 on Fri May 10, 2024 6:42 pm; edited 6 times in total (Reason for editing : Sold out)
sosam117- Diamond Member
- Posts : 1326
Join date : 2016-03-23
Location : Suburb of Chicago, Illinois
Re: "SOLD OUT" Cox .020 silencers -- currently
One silencer sold to 1/2A Nut
Thanks, Brad!
Mike Mac
Thanks, Brad!
Mike Mac
sosam117- Diamond Member
- Posts : 1326
Join date : 2016-03-23
Location : Suburb of Chicago, Illinois
Re: "SOLD OUT" Cox .020 silencers -- currently
Do you have a vid running the silencer or RC carbs?
1/2A Nut- Top Poster
- Posts : 3471
Join date : 2013-10-20
Age : 61
Location : Brad in Texas
Re: "SOLD OUT" Cox .020 silencers -- currently
Sorry I do not.
I'm not much of a tech guy.
No smart phone, and not on any of the media stuff ("X", twitter, Facebook etc.)
No GoPro either.
I still use a paper map to find and get directions.
I only have a computer because of medical stuff (appointments, results, and things you no longer can do "in person"),
My pension and Medicare and doing Federal taxes ( which I need to start on? --Turbo Tax --)
I'm not much of a tech guy.
No smart phone, and not on any of the media stuff ("X", twitter, Facebook etc.)
No GoPro either.
I still use a paper map to find and get directions.
I only have a computer because of medical stuff (appointments, results, and things you no longer can do "in person"),
My pension and Medicare and doing Federal taxes ( which I need to start on? --Turbo Tax --)
1/2A Nut wrote:Do you have a vid running the silencer or RC carbs?
sosam117- Diamond Member
- Posts : 1326
Join date : 2016-03-23
Location : Suburb of Chicago, Illinois
Re: "SOLD OUT" Cox .020 silencers -- currently
10/4 Mike,
Look forward to testing the parts, happy to participate in the 1/2A fun!
Look forward to testing the parts, happy to participate in the 1/2A fun!
1/2A Nut- Top Poster
- Posts : 3471
Join date : 2013-10-20
Age : 61
Location : Brad in Texas
sosam117- Diamond Member
- Posts : 1326
Join date : 2016-03-23
Location : Suburb of Chicago, Illinois
1/2A Nut- Top Poster
- Posts : 3471
Join date : 2013-10-20
Age : 61
Location : Brad in Texas
Re: "SOLD OUT" Cox .020 silencers -- currently
These are very good data friend!....thanks for sharing experiences!
MauricioB- Top Poster
- Posts : 3672
Join date : 2016-02-16
Age : 53
Location : ARG
Re: "SOLD OUT" Cox .020 silencers -- currently
Looks like you have a mighty potential Cox Engine of the Month Contest candidate!
GallopingGhostler- Top Poster
-
Posts : 5611
Join date : 2013-07-13
Age : 70
Location : Clovis NM or NFL KC Chiefs
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