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Cox Engine of The Month
January-2025
akjgardner's

"BW on my Hawker Tempest"


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**VOTE-ON-THE-NEXT-COX-ENGINE-OF-THE-MONTH** (December 2024)

Cox Engines Forum  :: General Discussion :: Forum Contests :: Cox Engine of the Month

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Choose the next engine of the month!

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Total Votes : 21
 
 
Poll closed

**VOTE-ON-THE-NEXT-COX-ENGINE-OF-THE-MONTH** (December 2024) Empty **VOTE-ON-THE-NEXT-COX-ENGINE-OF-THE-MONTH** (December 2024)

Post  Admin Thu Dec 05, 2024 1:17 am

Vote on your favorite engine! Poll will run for 5 days! Rudolph

Open to members with a minimum of 30 posts.




1
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"TD .051 RC"

2
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3
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"COX SPACE BUG CLEANED UP READY FOR FUN!"

4
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"Totally awesome"

5
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6
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"A very Happy Cox Texaco Holiday to you all!"

7
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"Rudolph!"

8
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"Babe Bees"

9
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".049 reed-valve marine conversion"

10
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"This is a .049 COX Sure Start engine that I salvaged from a crashed vintage Star Wars Snow Speeder fixed to a home made control line plane I got off of eBay with a Cox International engine mount. The plane is perfectly trimed and will do a 4 second rotation on 30 foot lines."

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Post  akjgardner Fri Dec 06, 2024 4:45 am

Small Cox Logo Babe Bee .049 Santa
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Post  Levent Suberk Mon Dec 09, 2024 11:33 pm

Christmas Tree Lighting The Tree Snowman Santa Rudolph Very Happy
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Post  balogh Tue Dec 10, 2024 9:15 am

Bravo Roddie, congratulations!
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Post  Kim Tue Dec 10, 2024 9:34 am

YEAH RODDIE!!!!!!!!!!!
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Post  roddie Tue Dec 10, 2024 10:02 am

Thank You everyone! It's always fun to see the submissions every month!! I Love This Forum! Small Cox Logo


**VOTE-ON-THE-NEXT-COX-ENGINE-OF-THE-MONTH** (December 2024) Rigger30

**VOTE-ON-THE-NEXT-COX-ENGINE-OF-THE-MONTH** (December 2024) 20241059

**VOTE-ON-THE-NEXT-COX-ENGINE-OF-THE-MONTH** (December 2024) 20241060


Build Thread link
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Post  akjgardner Tue Dec 10, 2024 10:24 am

Congratulations Roddie, one question, is that clear yelloish plastic coupler looking thing some sort of a cluch ?
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Post  rdw777 Tue Dec 10, 2024 10:28 am

Beautiful photo roddie…. Cox Marine.049 nicely displayed in Roddie Rigger….CONGRATULATIONS!!!

Small Cox Logo Christmas Tree Small Cox Logo
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Post  KariFS Tue Dec 10, 2024 12:15 pm

Congrats Roddie! Well deserved win Babe Bee .049
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Post  1/2A Nut Tue Dec 10, 2024 12:22 pm

Roddie Congratulations!

We all look forward to seeing the rigger running on the water!

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Last edited by 1/2A Nut on Tue Dec 10, 2024 4:40 pm; edited 1 time in total
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Post  roddie Tue Dec 10, 2024 1:04 pm

akjgardner wrote:Congratulations Roddie, one question, is that clear yelloish plastic coupler looking thing some sort of a cluch ?

Thanks Joe, Not a clutch.. but rather a component of my flywheel assy. It's a "direct-drive" set-up.

The part in question was made from 1/2" cast-acrylic sheet using a CNC router. I CAD-designed the parts when I worked at a sign company years ago.

I also made parts from Sintra (PVC sheet) and varying thicknesses of aluminum; all of them having 1/8" dia. center-holes.

**VOTE-ON-THE-NEXT-COX-ENGINE-OF-THE-MONTH** (December 2024) Cnc_fl10

I used a combination of parts to make an assembly that would "grip" an O-ring for starting the engine.. and also to provide some inertial weight.

**VOTE-ON-THE-NEXT-COX-ENGINE-OF-THE-MONTH** (December 2024) 20240746

The 1/8" center-holes in these parts fit the crankshafts' 5-40 size machine-screw thread in the Cox .049/.051 engines perfectly, for vibration-free running.

**VOTE-ON-THE-NEXT-COX-ENGINE-OF-THE-MONTH** (December 2024) Choke-24

**VOTE-ON-THE-NEXT-COX-ENGINE-OF-THE-MONTH** (December 2024) Choke-23

I fitted one of my electric starters with a similar flywheel assy. for engaging the O-ring/belt-start system.

**VOTE-ON-THE-NEXT-COX-ENGINE-OF-THE-MONTH** (December 2024) 20241216
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Post  1975 control line guy Tue Dec 10, 2024 5:58 pm

Great idea to use a water cooled heat exchanger on a COX .049 engine.  Clapping
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Post  Admin Wed Dec 11, 2024 2:43 am

Oh yes! Congratulations to roddie and his ".049 reed-valve marine conversion"!

**VOTE-ON-THE-NEXT-COX-ENGINE-OF-THE-MONTH** (December 2024) 9_rodd13

Beer Cheers

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Post  MauricioB Wed Dec 11, 2024 4:04 am

Congratulations Roddie!!...great job on that engine, very nice photo...and all your photos are really good my friend!
Christmas Tree Lighting The Tree Small Cox Logo Small Cox Logo Small Cox Logo Small Cox Logo Lighting The Tree Christmas Tree
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