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Cox Engine of The Month
My "new" old Coxes :)
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My "new" old Coxes :)
I recently bought two Coxes . I've renovated and cleaned them a bit. So, first one is Cox Babe Bee 049 Thimble Drome (it was in a little better condition than the second engine), I changed the oring in tank, and I polished few parts. Cylinder and piston is in good condition, only the reed valve is in poor condition, so I must buy or make a new one.
More photos before/after cleaning is in album - https://photos.app.goo.gl/NDxRh6gZbjGYa34V9
And video, engine reaches 16 000 RPM with 5x3 prop and 20% nitro fuel:
The second engine is maybe more interesting but I will show it within a few hours or tommorow .
More photos before/after cleaning is in album - https://photos.app.goo.gl/NDxRh6gZbjGYa34V9
And video, engine reaches 16 000 RPM with 5x3 prop and 20% nitro fuel:
The second engine is maybe more interesting but I will show it within a few hours or tommorow .
czarobest- Silver Member
- Posts : 72
Join date : 2019-09-07
Age : 25
Location : Lodz, Poland
Re: My "new" old Coxes :)
congratulations you have done a beautiful job, your engine looks NEW! brilliant!
It also works wonders !!
It also works wonders !!
MauricioB- Top Poster
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Join date : 2016-02-16
Age : 53
Location : ARG
Re: My "new" old Coxes :)
czarobest wrote:I recently bought two Coxes . I've renovated and cleaned them a bit. So, first one is Cox Babe Bee 049 Thimble Drome (it was in a little better condition than the second engine), I changed the oring in tank, and I polished few parts. Cylinder and piston is in good condition, only the reed valve is in poor condition, so I must buy or make a new one.
What did you use to polish the tank, crankcase, etc.? What kind of polish, and or brush?
Happydad
P.S. look great.
happydad- Rest In Peace
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Join date : 2012-05-28
Age : 79
Location : Escondido, CA
Re: My "new" old Coxes :)
MauricioB wrote:congratulations you have done a beautiful job, your engine looks NEW! brilliant!
It also works wonders !!
Thanks
happydad wrote:
What did you use to polish the tank, crankcase, etc.? What kind of polish, and or brush?
Happydad
P.S. look great.
Thanks too . I used a abrasive polishing paste (like on picture) with Dremel rotary tool with felt pad.
czarobest- Silver Member
- Posts : 72
Join date : 2019-09-07
Age : 25
Location : Lodz, Poland
Re: My "new" old Coxes :)
Okay, so it's time for second engine . It is Space Bug Jr. , in my opinion this engine is from first series of Space Bug Jr. because its has two reeds in valve system. One of these is really thin and flaccid, second is thicker and stiffer. The tank is transparent which is pretty cool . Unfortunately tank is in bad condition and needs seals that I made of orings made for watches. It does not leak . Also I replaced small oring in tank. The crankshaft was rusty combined with castor oil, but I restored it to great condition . Of course, I cleaned the rest of the engine thoroughly and now engine looks really good . I like the look of this engine and I'm glad to have one of the first Cox engines
Additionaly I have tank from normal version of Space Bug (without Jr.) but without needle and valve system, maybe someday it will come in handy
All photos (before/after/inside) of the engine is here: https://photos.app.goo.gl/QgKobCnA2rXbYyat6
And video, prop 5x3, fuel with 20% of nitro and engine reaches about 15 000 RPM. There was a slight problem with the spring, which acted as if it was jumping and set the needle be leaping, which made it a little difficult to adjust, but this is to set up .
And here's my current collection of Coxes
Additionaly I have tank from normal version of Space Bug (without Jr.) but without needle and valve system, maybe someday it will come in handy
All photos (before/after/inside) of the engine is here: https://photos.app.goo.gl/QgKobCnA2rXbYyat6
And video, prop 5x3, fuel with 20% of nitro and engine reaches about 15 000 RPM. There was a slight problem with the spring, which acted as if it was jumping and set the needle be leaping, which made it a little difficult to adjust, but this is to set up .
And here's my current collection of Coxes
czarobest- Silver Member
- Posts : 72
Join date : 2019-09-07
Age : 25
Location : Lodz, Poland
Re: My "new" old Coxes :)
Great Looking Engines and Engine Work!!!!!
Kim- Top Poster
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Posts : 8648
Join date : 2011-09-06
Location : South East Missouri
Re: My "new" old Coxes :)
Nice job czarobest The restores look good !! The Jr. is one of my favorite engines because they come in difft. flavors (colors) I see you have the early version with the smaller glow thread . If you don't know there hard to come upon its good yours is working and also did you notice the three pieces con. rod ball joint connection ? Your collection is looking Good !
getback- Top Poster
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Posts : 10472
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Location : julian , NC
czarobest- Silver Member
- Posts : 72
Join date : 2019-09-07
Age : 25
Location : Lodz, Poland
Re: My "new" old Coxes :)
Hard to tell but the one on the right looks to bee .. look here ,., https://www.coxengineforum.com/t11682-finally-a-cox-three-piece-piston?highlight=space+bug+three+piece
getback- Top Poster
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Re: My "new" old Coxes :)
Thank for help and link!
From that topic I conclude that it is Babe Bee from first post of this thread that has a three-part construction piston, and Space Bug has a newer kind. I didn't change them, but maybe the previous owner changed them .
From that topic I conclude that it is Babe Bee from first post of this thread that has a three-part construction piston, and Space Bug has a newer kind. I didn't change them, but maybe the previous owner changed them .
czarobest- Silver Member
- Posts : 72
Join date : 2019-09-07
Age : 25
Location : Lodz, Poland
Re: My "new" old Coxes :)
I believe they were swapped at one time , the words Thimble Drome on the BB tank was on out a few years i think around the ?? I was tring to find my info but can't seem to produce it at this time ? Here is more info if you haven't seen it before ,,,, https://en.wikipedia.org/wiki/Cox_model_engine#Standard_Bees Here is the pick i was looking for >scroll down a little >> https://www.coxengineforum.com/t8739-cox-049-marked-with-thimble-drome?highlight=the+words+thimble+drome+on+tanks It is a good chance you have a very old bee there !!
Last edited by getback on Mon Jun 08, 2020 7:15 am; edited 2 times in total (Reason for editing : add on)
getback- Top Poster
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Posts : 10472
Join date : 2013-01-18
Age : 67
Location : julian , NC
Re: My "new" old Coxes :)
Thank you! I can replace the cylinder and piston between these engines, because I want them to be as correct as possible, but I would have to be 100% sure
I know the link from wikipedia, but I haven't seen the forum topic, and it's very helpful - thanks .
The more I'm satisfied with these engines, because thanks to them and you, I'm learning something new about the Coxes . I love all the engines, but I like that Babe Bee may be older than I thought
I know the link from wikipedia, but I haven't seen the forum topic, and it's very helpful - thanks .
The more I'm satisfied with these engines, because thanks to them and you, I'm learning something new about the Coxes . I love all the engines, but I like that Babe Bee may be older than I thought
czarobest- Silver Member
- Posts : 72
Join date : 2019-09-07
Age : 25
Location : Lodz, Poland
Re: My "new" old Coxes :)
Well... Nice engines, nice clean up, great pictures and videos. Oh, and also a very nice collection!
NEW222- Top Poster
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