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Cox Engine of The Month
CEF Traveling Engine
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Live on Patrol
new wen mac mkXIII from Mark B
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new wen mac mkXIII from Mark B
chevyiron420 Sun Dec 17, 2017 3:19 pm
Just a short video of the mkXIII I got yesterday. Twenty minutes in the toaster oven got her unstuck. Then a used starter spring and clutch got everything working. Here is a clip running on a Mecoa adapter head.
Phil
Phil
chevyiron420- Gold Member
- Posts : 251
Join date : 2015-01-28
Age : 66
Location : Barney Georgia
Re: new wen mac mkXIII from Mark B
1/2A Nut Sun Dec 17, 2017 7:04 pm
What size prop did you use / fuel mix?
This helps when looking at a tach reading.
Thank you,
This helps when looking at a tach reading.
Thank you,
1/2A Nut- Top Poster
- Posts : 3474
Join date : 2013-10-20
Age : 61
Location : Brad in Texas
Re: new wen mac mkXIII from Mark B
Mark Boesen Sun Dec 17, 2017 7:20 pm
lol, yep, that's what i got!
lol, i just think it's pretty neat that you can tach a video!
lol, i just think it's pretty neat that you can tach a video!
Last edited by Mark Boesen on Mon Dec 18, 2017 6:54 pm; edited 1 time in total
Mark Boesen- Top Poster
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Re: new wen mac mkXIII from Mark B
Oldenginerod Mon Dec 18, 2017 5:29 am
Those adaptor heads get a pretty bad wrap but the engine seems to be singing away quite nicely, and that's a half reasonable speed- I've got perfectly good Babe Bees that don't pull any more RPM that that.
Rod.
Rod.
Oldenginerod- Top Poster
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Re: new wen mac mkXIII from Mark B
Kim Mon Dec 18, 2017 6:08 am
Oldenginerod wrote:Those adaptor heads get a pretty bad wrap but the engine seems to be singing away quite nicely, and that's a half reasonable speed- I've got perfectly good Babe Bees that don't pull any more RPM that that.
Rod.
As a dedicated, stump-jumping Redneck, I'd be totally tickled with any 'Non-Fancy' engine that cranked out a dependable 14k !!!
Kim- Top Poster
Posts : 8609
Join date : 2011-09-06
Location : South East Missouri
Re: new wen mac mkXIII from Mark B
getback Mon Dec 18, 2017 7:03 am
Damn that's loud first thing in the morning 
Nice run Phil , good dependable steady RRRRs 
Nice run Phil , good dependable steady RRRRs 
getback- Top Poster
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Re: new wen mac mkXIII from Mark B
chevyiron420 Mon Dec 18, 2017 9:00 pm
The prop is a 6x3 cox thimble drome, and the fuel is 20% nitro and 20% oil. I normally use 10% but that head is low compression and likes the 20% better.1/2A Nut wrote:What size prop did you use / fuel mix?
This helps when looking at a tach reading.
Thank you,
Phil
chevyiron420- Gold Member
- Posts : 251
Join date : 2015-01-28
Age : 66
Location : Barney Georgia
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