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Cox Engine of The Month
Are these Cox red beam mount tanks ok for diesel?
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ncpiperpilot- Moderate Poster
- Posts : 28
Join date : 2022-08-11
Re: Are these Cox red beam mount tanks ok for diesel?
I didn't try with diesel fuel, but Delrin is compatible with ether and kerosene.
Compatibility chart at https://www.calpaclab.com/acetal-polyoxymethylene-chemical-compatibility-chart/
Compatibility chart at https://www.calpaclab.com/acetal-polyoxymethylene-chemical-compatibility-chart/
Levent Suberk- Diamond Member
- Posts : 2204
Join date : 2017-12-24
Location : Türkiye
Re: Are these Cox red beam mount tanks ok for diesel?
Excellent. I guess the red plastic is delrin? On the previous one that leaked glow fuel (30+ years ago) I believe it was the glue (for the tank backplate) that failed.
ncpiperpilot- Moderate Poster
- Posts : 28
Join date : 2022-08-11
Re: Are these Cox red beam mount tanks ok for diesel?
ncpiperpilot wrote:Excellent. I guess the red plastic is delrin? On the previous one that leaked glow fuel (30+ years ago) I believe it was the glue (for the tank backplate) that failed.
I tried that fuel tank with several adhesives including Testors plastic cement but no any melt. I also tried to melt with a soldering iron but it didn't melt, so I guess that it is made from Delrin.
I think that backplate of that fuel tank must be welded with hexafluoroisopropanol (HFPI), an expensive industrial chemical.
Levent Suberk- Diamond Member
- Posts : 2204
Join date : 2017-12-24
Location : Türkiye
Re: Are these Cox red beam mount tanks ok for diesel?
Thanks! Appreciate the info. Looks like it should be ok.
The one that leaked on me might just have missed a spot during chemical application.
The one that leaked on me might just have missed a spot during chemical application.
ncpiperpilot- Moderate Poster
- Posts : 28
Join date : 2022-08-11
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