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by 944_Jim Wed Mar 27, 2024 10:14 pm
Cox .15 Medallion Piston
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Cox .15 Medallion Piston
The .15 Medallion conrod usually has the traditional "ball-joint" connection to the piston but we have come across at least one that was a "pin" version, like the .15 TD Special. Was the latter version only supplied for certain build years?
Re: Cox .15 Medallion Piston
Cox TD .15 Special has been manufactured between 1961-65. So I think that pin style pistons assembled to Medallions between these years. (Production date from MH Aerotools web site)
Levent Suberk- Diamond Member
- Posts : 2191
Join date : 2017-12-24
Location : Türkiye
Re: Cox .15 Medallion Piston
To be honest I have never followed the Medallion line, I do know they came with either. Early had ball sockets, later were pinned. I don’t know how long Medallion .15’s were made. I would be willing to bet that the piston pin was used until end production.
Cribbs74- Moderator
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Posts : 11892
Join date : 2011-10-24
Age : 50
Location : Tuttle, OK
Re: Cox .15 Medallion Piston
I think the later versions had the issue with the piston catching the port edge during running. It happened to me on one engine. That piston and cylinder were ruined. I believe a few other members had that happen as well.
Jason_WI- Top Poster
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Re: Cox .15 Medallion Piston
Jason, I experienced this twice. I still have 2 in the case which I will probably never run. Sadly, the cases have been beat up a bit. I also know some others in which that happened. When it stops, it's quite aggressive.
Ken Cook- Top Poster
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