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» **VOTE-ON-THE-NEXT-COX-ENGINE-OF-THE-MONTH** (May 2024)by 1/2A Nut Yesterday at 10:23 pm
» A prototype Cox Reed-valve marine engine
by F4D Phantom II Yesterday at 7:00 pm
» World's largest weathervane
by Cox International Yesterday at 5:51 pm
» Jim Walkers FireBee - This is going to be fun
by rsv1cox Yesterday at 5:27 pm
» Here we go again... another Lawn-Boy
by rsv1cox Yesterday at 6:50 am
» Norvel Needle Needed
by Greenman38633 Yesterday at 4:02 am
» My Cox .049 Marine inboard engine
by 1/2A Nut Wed May 08, 2024 11:41 pm
» Jim Walker Firebaby
by rsv1cox Wed May 08, 2024 7:26 pm
» Roddie-Rigger.. a 2005 original design
by roddie Wed May 08, 2024 7:04 pm
» music vids.. some of your favorites
by HalfaDave Wed May 08, 2024 6:55 pm
» Help Pee Wee tank cap .020
by rdw777 Wed May 08, 2024 1:30 pm
» Revivng Some Childhood Classics
by getback Wed May 08, 2024 8:21 am
Cox Engine of The Month
CEF Traveling Engine
Win This Engine!
Live on Patrol
Just joined
Page 1 of 1
Just joined
rex f. Thu Jul 11, 2019 5:05 am
Will need some guidance on use of site
My interests are only cox reed speed
& development of this class in australia
At my mannering park club in nsw aust
I fully believe that i can produce the most powerful
Reed motor sorry cox reed motor ever
Thanks for listening once i learn & am more conversant
With this forun re sending pics etc & my methods
Everyone will know
Thanks for viewing acountry boys outlook
Rexf
My interests are only cox reed speed
& development of this class in australia
At my mannering park club in nsw aust
I fully believe that i can produce the most powerful
Reed motor sorry cox reed motor ever
Thanks for listening once i learn & am more conversant
With this forun re sending pics etc & my methods
Everyone will know
Thanks for viewing acountry boys outlook
Rexf
rex f.- Banned
- Posts : 40
Join date : 2019-07-11
Age : 80
Location : Scone nsw aust 2337
Re: Just joined
Oldenginerod Thu Jul 11, 2019 6:39 am
Hi Rex.
Glad you decided to add another one of we Aussies to the group.
Some of our guys have developed some hop-ups for the Cox reed engines. Mostly these engines were used in our Tach Races. No actual flying, just pure RPM.
The original "Reed Speed" competition focussed on profile scale models, but the current speed contest is pretty light on rules and can involve just about anything with a Cox engine that'll fly.
If there's anything in particular you want to ask, then just ask. These blokes are always up for a chat, and giving advice.
You need to be a member for a short while before you can post pictures. There's instructions on how to do that somewhere. I'll try to find them and post them here.
Cheers.
Rod.
Glad you decided to add another one of we Aussies to the group.
Some of our guys have developed some hop-ups for the Cox reed engines. Mostly these engines were used in our Tach Races. No actual flying, just pure RPM.
The original "Reed Speed" competition focussed on profile scale models, but the current speed contest is pretty light on rules and can involve just about anything with a Cox engine that'll fly.
If there's anything in particular you want to ask, then just ask. These blokes are always up for a chat, and giving advice.
You need to be a member for a short while before you can post pictures. There's instructions on how to do that somewhere. I'll try to find them and post them here.
Cheers.
Rod.
Oldenginerod- Top Poster
- Posts : 3974
Join date : 2012-06-15
Age : 61
Location : Drouin, Victoria
Oldenginerod- Top Poster
- Posts : 3974
Join date : 2012-06-15
Age : 61
Location : Drouin, Victoria
Re: Just joined
getback Thu Jul 11, 2019 6:52 am
WELCOME TO THE FORUM REXF !!!! Interested in what you have to share. 
getback- Top Poster
Posts : 10143
Join date : 2013-01-18
Age : 66
Location : julian , NC
andrew- Diamond Member
- Posts : 1813
Join date : 2011-08-11
Age : 76
Location : Western Kentucky -
Kim- Top Poster
-
Posts : 8534
Join date : 2011-09-06
Location : South East Missouri
Re: Just joined
GallopingGhostler Thu Jul 11, 2019 1:05 pm
Welcome to CEF, Rex. We have those here who enjoy speed reedies and other Cox engines. Me, I'm a sport user. There's really nothing earth shattering about posting. Admins have limited new posters to posts only until they have posted sufficient number of messages, don't know the threshold, but you'll get those privileges to upload photos soon enough if you continue posting. I gather this was done to keep spammers away.
We look forward to what you have to share.
We look forward to what you have to share.
GallopingGhostler- Top Poster
-
Posts : 5331
Join date : 2013-07-13
Age : 70
Location : Clovis NM or NFL KC Chiefs
Re: Just joined
balogh Thu Jul 11, 2019 2:36 pm
Welcome to CEF, Rex..we are all eager to hear your engine hop-up ideas!!
balogh- Top Poster
-
Posts : 4751
Join date : 2011-11-06
Age : 65
Location : Budapest Hungary
Re: Just joined
roddie Thu Jul 11, 2019 3:37 pm
Hi Rex! 
Welcome to the Cox Engine Forum. I'm sure that you will enjoy your time spent here. There's a wealth of information available.. and lots of friendly fellow modellers who enjoy these model-engines.
Welcome to the Cox Engine Forum. I'm sure that you will enjoy your time spent here. There's a wealth of information available.. and lots of friendly fellow modellers who enjoy these model-engines.
roddie- Top Poster
- Posts : 8301
Join date : 2013-07-17
Age : 64
Location : N. Smithfield, Rhode Island -
Re: Just joined
1/2A Nut Thu Jul 11, 2019 6:12 pm
Reed Speed should be fun, a good way to get started is build a Killer Bee style engine
with a light weight piston, good fit, polished cylinder walls, mylar reed, large intake
venturi, good glow plug choice / compression etc. TD style exhaust ports, polished
bypass ports and flutes. Sealed NV 128 TPI very well centered low weight balanced
prop and centered vibration free low weight minimal spinner, thrust plate, low drag
crank to crank case fit with no slop.
For a base line reference:
Static: 4x4.5 prop 25,516 rpm / 107mph pitch speed / 7.1oz thrust / .132hp- 98.47W
25% nitro 20% castor.
with a light weight piston, good fit, polished cylinder walls, mylar reed, large intake
venturi, good glow plug choice / compression etc. TD style exhaust ports, polished
bypass ports and flutes. Sealed NV 128 TPI very well centered low weight balanced
prop and centered vibration free low weight minimal spinner, thrust plate, low drag
crank to crank case fit with no slop.
For a base line reference:
Static: 4x4.5 prop 25,516 rpm / 107mph pitch speed / 7.1oz thrust / .132hp- 98.47W
25% nitro 20% castor.
1/2A Nut- Top Poster
- Posts : 3438
Join date : 2013-10-20
Age : 60
Location : Brad in Texas
Re: Just joined
getback Thu Jul 11, 2019 6:56 pm
This is from the last tach race ... https://servimg.com/view/16842846/5760
getback- Top Poster
-
Posts : 10143
Join date : 2013-01-18
Age : 66
Location : julian , NC
Re: Just joined
rex f. Thu Jul 11, 2019 8:25 pm
Thanks getback just looking at my killer bee assembled with pzrts from bernie (ithink
Imust have the largest stock of cox parts in the southern hemispherr) anyway to me the
Venturi seems flush with the backplate face san make spacers etc but did not want to fit
An intake surestart style any suggestions rex f
Imust have the largest stock of cox parts in the southern hemispherr) anyway to me the
Venturi seems flush with the backplate face san make spacers etc but did not want to fit
An intake surestart style any suggestions rex f
rex f.- Banned
- Posts : 40
Join date : 2019-07-11
Age : 80
Location : Scone nsw aust 2337
Re: Just joined
NEW222 Thu Jul 11, 2019 8:27 pm
Welcome to CEF Rex!
And that is a great Picture Eric! I love it.
And that is a great Picture Eric! I love it.
NEW222- Top Poster
- Posts : 3892
Join date : 2011-08-13
Age : 45
Location : oakbank, mb
to the forum!
Admin- Administrator
- Posts : 6424
Join date : 2010-07-27
Location : Roseville, Minnesota -
Re: Just joined
rex f. Fri Jul 12, 2019 1:17 am
Rexpc@bigpond.com wrote:Thanks getback just looking at my killer bee assembled with pzrts from bernie (ithink
Imust have the largest stock of cox parts in the southern hemispherr) anyway to me the
Venturi seems flush with the backplate face san make spacers etc but did not want to fit
An intake surestart style any suggestions rex f
rex f.- Banned
- Posts : 40
Join date : 2019-07-11
Age : 80
Location : Scone nsw aust 2337
Re: Just joined
getback Fri Jul 12, 2019 8:05 am
The venture will only bee a few thousands from the mount , it want bee flush if you mount it to a piece of wood , Here is some good read for you about our friend paul he checks in now and then and is a champion Mouse Racer ... http://www.balsabeavers.com/information/articles/mouse_racing_2016.pdfRexpc@bigpond.com wrote:Rexpc@bigpond.com wrote:Thanks getback just looking at my killer bee assembled with pzrts from bernie (ithink
Imust have the largest stock of cox parts in the southern hemispherr) anyway to me the
Venturi seems flush with the backplate face san make spacers etc but did not want to fit
An intake surestart style any suggestions rex f
getback- Top Poster
-
Posts : 10143
Join date : 2013-01-18
Age : 66
Location : julian , NC
Re: Just joined
getback Fri Jul 12, 2019 8:09 am
stay with the product or Killer Bee back plate for some RPMs if that is what you want and not the Bee tank style , here is some more read maybe a little different than the other ...https://www.coxengines.ca/files/newsletter7.pdf 
getback- Top Poster
-
Posts : 10143
Join date : 2013-01-18
Age : 66
Location : julian , NC
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