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Cox Engine of The Month
What crankshafts are these?
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What crankshafts are these?
Last edited by dondaniels59 on Fri Nov 17, 2023 5:41 pm; edited 3 times in total
dondaniels59- Bronze Member
- Posts : 33
Join date : 2019-04-19
Re: What crankshafts are these?
It couldn't possibly fit a standard TD .020 case. Maybe these are incomplete? Dimensions could help.
Yes, I can see the non-existent photo.
Yes, I can see the non-existent photo.
gkamysz- Gold Member
- Posts : 377
Join date : 2018-02-23
Location : Chicagoland
Re: What crankshafts are these?
Apparently the browser on my phone was really slow and the insert button was not showing up. I restarted my phone and now I can upload the photos.
Last edited by dondaniels59 on Fri Nov 17, 2023 6:39 pm; edited 2 times in total
dondaniels59- Bronze Member
- Posts : 33
Join date : 2019-04-19
Levent Suberk- Diamond Member
- Posts : 2204
Join date : 2017-12-24
Location : Türkiye
Re: What crankshafts are these?
So it appears that these are helicopter cranks that have been modified. Can they still be used in a TD for an airplane or do they have to be used on a helicopter?
dondaniels59- Bronze Member
- Posts : 33
Join date : 2019-04-19
Re: What crankshafts are these?
Duh, I knew I recognized that shoulder, but was looking for .020. These are probably VA .049 MKI.
http://www.gregorie.org/freeflight/f1j/va/va.html
http://www.gregorie.org/freeflight/f1j/va/va.html
gkamysz- Gold Member
- Posts : 377
Join date : 2018-02-23
Location : Chicagoland
Re: What crankshafts are these?
Don,
Any chance you have a digital caliper? I have loose Medallion (.049, .09, .15) and Tee Dee (.049 only) cranks to compare bearing diameters. But I suspect given the difference in crank diameters, you are showing more than just Cox cranks.
Any chance you have a digital caliper? I have loose Medallion (.049, .09, .15) and Tee Dee (.049 only) cranks to compare bearing diameters. But I suspect given the difference in crank diameters, you are showing more than just Cox cranks.
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944_Jim- Diamond Member
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