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Otto Bernhardt TD 15 Special Ignition engine Cox_ba12




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Cox Engine of The Month
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MauricioB's

"Cox .049 Circa 1975, custom."

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Otto Bernhardt TD 15 Special Ignition engine

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Otto Bernhardt TD 15 Special Ignition engine Empty Otto Bernhardt TD 15 Special Ignition engine

Post  Jason_WI Sat Feb 08, 2014 7:25 pm

Took a few detailed pictures of the TD 15 Special ignition conversion I just got today. The timer casting is very well made as is the points and spring. It looks to have been run with the conversion but not much. It will need a need carb body and some detailing.



Last edited by Jason_WI on Sun Feb 23, 2020 5:26 pm; edited 1 time in total
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Post  ian1954 Sun Feb 09, 2014 1:03 pm

The timer casting and points arrangement on this is the best I have seen.
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Post  roddie Sun Feb 09, 2014 1:39 pm

What a nice example of precision miniature craftsmanship Jason!

Congratulations!
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Post  Surfer_kris Sun Feb 09, 2014 2:26 pm

What prop-size would these be able to take?

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Post  dckrsn Sun Feb 09, 2014 2:36 pm

I like the recess job on the prop screw.
I'd also be curious to know what prop is used.
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Post  Jason_WI Sun Feb 09, 2014 3:30 pm

The TD 15 likes an 8x4 but with the gasoline conversion I don't think it turns as much RPM. Not sure as I have never run one of these conversions. I'll have to ask on the old timer section on RC Groups.
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Post  Jason_WI Thu Mar 13, 2014 11:32 pm

All cleaned up


Otto Bernhardt TD 15 Special Ignition engine 896dc7d0c834cae725434d51a18005cc_zps9d9d5c25

Otto Bernhardt TD 15 Special Ignition engine 3ebb8beb2f3a4c7e1acf5839b8e8ccee_zpsd79931cf
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Post  fredvon4 Fri Mar 14, 2014 7:18 am

Looks like a winner in the CEoM

Beautiful engine
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Post  John Goddard Fri Apr 04, 2014 8:27 am

That looks a lot of fun Jason.

Take a look at the new YS CDI's then
try and get that thing to run spark+glow fuel.
 Very Happy 
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Post  iamplanecrazy2 Tue Apr 08, 2014 11:05 am

That turned out beautiful Jason!
Now that you have yours I might have a chance at getting the next one that comes along. lol! 
I used to have one of Otto's OS conversions.
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Post  motorguy42 Sun Feb 23, 2020 9:11 am

I am selling on eBay a large collection of engines for the widow of a good friend of mine recently died. One engine is a COX with ignition. It has a tag that has written COX TD .09 BERNHARDT CONV. The only thing I can find about Otto is a conversion of a COX .15
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Post  Jason_WI Sun Feb 23, 2020 9:42 am

Have a link or your seller name on eBay?
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Post  Cribbs74 Sun Feb 23, 2020 9:58 am

Not seeing any pictures! I can see the O.S. So not sure what’s up with that. Probably on my end.
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Post  motorguy42 Sun Feb 23, 2020 10:14 am

I just joined this forum and don't know how to post picture
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Post  fredvon4 Sun Feb 23, 2020 11:06 am

u can not with only 2 posts....spam and bot defense

send your pick via e mail or pm to any member on this thread and we can post them for you until you have sone creds
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Post  crankbndr Sun Feb 23, 2020 11:53 am

Cribbs74 wrote:Not seeing any pictures! I can see the O.S. So not sure what’s up with that. Probably on my end.


I can only see the OS also, others blank.
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Post  Mike1484 Sun Feb 23, 2020 12:40 pm

Can't see pictures .

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Post  Admin Sun Feb 23, 2020 1:02 pm

The pictures above appear to have been removed from whatever host Jason used back in 2014.

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Post  Cribbs74 Sun Feb 23, 2020 5:54 pm

Doh! I didn’t look at the date. No wonder it sounded familiar.
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