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Cox Engine of The Month
April-2018
706jim's

"Pee Wee powered witch"



PAST WINNERS
Speed Contest 2018
CEF Traveling Engine

Win This Engine!
The Traveling Prop
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World of Aviation

Poll: Traveling Engine 3 engine selection .15 displacement

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Select the Traveling Engine 3

41% 41% 
[ 7 ]
24% 24% 
[ 4 ]
18% 18% 
[ 3 ]
17% 17% 
[ 3 ]
 
Total Votes : 17

Poll: Traveling Engine 3 engine selection .15 displacement

Post  Jason_WI on Fri Dec 29, 2017 1:51 am

Here are the 4 Cox .15 engines to choose from for the next Traveling Engine 3. This poll will run for 10 days.

1) Cox Medallion .15




2) Cox Sportsman .15




3) Cox Conquest R/C .15 (I will also include which are not pictured both control line Venturi sizes, spray bar/needle valve, smooth head with 2 glow buttons, and Cox .15 Conquest aluminum spinner)




4) Cox Tee Dee .15 Special Mk II




I do have a MECOA glow plug conversion head for the .15. I do not have many .15 glow heads so this may have to be used at some point if the head burns out.

Hope I didn’t disappoint.

Jason


Last edited by Admin on Tue Jan 02, 2018 7:05 pm; edited 2 times in total (Reason for editing : Auto correct correction.)
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Re: Poll: Traveling Engine 3 engine selection .15 displacement

Post  Tee Bee on Fri Dec 29, 2017 6:01 am

Wow, nice choices!
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Re: Poll: Traveling Engine 3 engine selection .15 displacement

Post  Jason_WI on Mon Jan 01, 2018 4:37 pm

Happy New Year! Fireworks


Get your votes in. Plans are to have the winning engine in the hands of the first person this spring ready for the flying/engine running season.
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Re: Poll: Traveling Engine 3 engine selection .15 displacement

Post  Oldenginerod on Tue Jan 02, 2018 3:28 am

Jason_WI wrote:
I do have a MECOA glow plug conversion head for the .15. I do not have many .15 glow heads so this may have to be used at some point if the head burns out.

Hope I didn’t disappoint.

Jason

In my opinion I think you need to send the engine out with the conversion head rather than a glow head- So long as the engine runs fine it will be less stress for the operators and would increase the chances of more participants actually running/flying it.
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Re: Poll: Traveling Engine 3 engine selection .15 displacement

Post  Cox International on Tue Jan 02, 2018 1:53 pm

This pole will run for 10 days

With or without strippers... I think we should take a poll on that one lol!
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Re: Poll: Traveling Engine 3 engine selection .15 displacement

Post  Tee Bee on Tue Jan 02, 2018 2:18 pm

With
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Re: Poll: Traveling Engine 3 engine selection .15 displacement

Post  Admin on Tue Jan 02, 2018 2:58 pm

Very hard to choose as they are all cool engines that I'm sure many on here have not had a chance to play with.

The medallion would probably have the most parts availability through parts engines, NOS and reproduction parts. Would also be less of a loss and easier to replace if it were to "walk off" or get lost in the mail. The Sportsman is a nice classic engine, not particularly rare so a parts unit could be sourced if need be. The Conquest would be a fun one, an all cast Cox engine, a pretty hot engine from what I hear. I do believe many parts from the later K&B can be used on it. Now what I think is the coolest and rarest engine of the bunch, the Special Mk II. This would probably gain the most attention. Except for the cylinder/piston and gold case, I believe the rest of the parts are interchangeable with that of the TD and Special .15.

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Re: Poll: Traveling Engine 3 engine selection .15 displacement

Post  Jason_WI on Tue Jan 02, 2018 3:19 pm

Got me on that one Bernie. Dang iPad is auto correcting words on me.

Never would I have thought a Medallion would be leading in this poll to date.
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Re: Poll: Traveling Engine 3 engine selection .15 displacement

Post  Cox International on Tue Jan 02, 2018 4:29 pm

That's because the red contrasts nicely with the black pole in the red-light district  Eyebrows

Never would I have thought a Medallion would be leading in this poll to date.[/quote]
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Re: Poll: Traveling Engine 3 engine selection .15 displacement

Post  Cribbs74 on Tue Jan 02, 2018 6:40 pm

I accidentally voted for the Conquest, I fat fingered it on my phone. I wanted to vote on the Medallion.

My reasoning is because more people would be apt to build a model and fly with it.
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Re: Poll: Traveling Engine 3 engine selection .15 displacement

Post  Jason_WI on Tue Jan 02, 2018 6:59 pm

I believe there was an option to allow changed votes but that needed to be done right away when I set up the poll. Maybe Jacob can change it to correct the fat finger. I'm not voting. Whichever one wins is what's being sent.

The same can be said for the TD .15 Sp Mk II. The mounting pattern is the same as the Medallion. Just goes around the circle a bit faster.

What props would work best for the .15? I have Cox grey 8x4 and can put a MA 8x4 in also.
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Re: Poll: Traveling Engine 3 engine selection .15 displacement

Post  Admin on Tue Jan 02, 2018 7:06 pm

I just fixed the poll, you can "cancel" your vote and vote again now if you wish.

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Re: Poll: Traveling Engine 3 engine selection .15 displacement

Post  Tee Bee on Tue Jan 02, 2018 7:13 pm

I think the group would find the Medallion and TD more familiar to operate since they are like their smaller siblings. I have some .15s(a Medallion, an early TD, and a MKII) that I've never fired up but intend to change that as well as build something appropriate to fly with them.
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Re: Poll: Traveling Engine 3 engine selection .15 displacement

Post  Cribbs74 on Tue Jan 02, 2018 11:14 pm

Admin wrote:I just fixed the poll, you can "cancel" your vote and vote again now if you wish.

Thank you sir!
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Re: Poll: Traveling Engine 3 engine selection .15 displacement

Post  Marleysky on Wed Jan 03, 2018 3:36 pm

Cox International wrote:This pole will run for 10 days

With or without strippers... I think we should take a poll on that one lol!

Here? Or in the redneck zone?

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Re: Poll: Traveling Engine 3 engine selection .15 displacement

Post  Jason_WI on Fri Jan 05, 2018 4:30 pm

Get your votes in. Only a few days left of the poll.
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Re: Poll: Traveling Engine 3 engine selection .15 displacement

Post  Jason_WI on Sun Jan 07, 2018 8:49 pm

So in anticipation of the Medallion being chosen I spent some time today to freshen it up a bit. Total disassembly and clean in denatured alcohol. Polished the crankcase, back plate, collet, and the drive hub.

The cylinder had some tool marks. I can’t send it out like that. I took it to the lathe and buffed out the tooling marks on the fins. Got it down to bare metal on the outside and then reblued the cylinder. Looking good now.

Reassembled with a phenolic drive washer installed. Medallions never had these installed but to save the drive hub it was added. Liberal amount of oil applied. New glow head installed and now its ready for its journey.

Yes, it’s the same engine. Just new glow head.



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Re: Poll: Traveling Engine 3 engine selection .15 displacement

Post  Cribbs74 on Sun Jan 07, 2018 9:14 pm

Cleaned up nice. Gudgeon pin or ball socket?
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Re: Poll: Traveling Engine 3 engine selection .15 displacement

Post  Jason_WI on Sun Jan 07, 2018 9:29 pm

Cribbs74 wrote:Cleaned up nice. Gudgeon pin or ball socket?

Grudgeon pin version. Has a nice pop when turning over.
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Re: Poll: Traveling Engine 3 engine selection .15 displacement

Post  Tee Bee on Mon Jan 08, 2018 12:40 am

Fantastic!  I got one of those in a box of Cox "junk" I picked up at a fly-in swap meet back in '07.  Never got around to running it.  I recently ordered a TD spinner, new carb body, and a new glow plug conversion head for it before sending it off to a guy for custom polishing/anodizing.  Here's the before/after shots. She's in great shape now.

I look forward to following the traveling .15.


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Re: Poll: Traveling Engine 3 engine selection .15 displacement

Post  getback on Mon Jan 08, 2018 6:05 am

Looking GOOD Jason !! Something everyone can bee proud to say they had a part of . Tee Bee you should put that in the engine of the month !! Babe Bee .049
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Re: Poll: Traveling Engine 3 engine selection .15 displacement

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