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Cox Engine of The Month
Small Engine Museum
Page 1 of 1
Small Engine Museum
I stumbled on this site today, just blew me away.
Talk about needing a cigarette.
http://www.craftsmanshipmuseum.com/KnappCol.htm
Talk about needing a cigarette.
http://www.craftsmanshipmuseum.com/KnappCol.htm
crankbndr- Top Poster
- Posts : 3067
Join date : 2011-12-10
Location : Homestead FL
crankbndr- Top Poster
- Posts : 3067
Join date : 2011-12-10
Location : Homestead FL
Re: Small Engine Museum
a free flight boat.
PV Pilot- High Tech Balsa Basher
- Posts : 1854
Join date : 2011-08-11
Age : 57
Location : The ragged end of the Universe.
Re: Small Engine Museum
I liked this one quite a bit. It was .010 powered
Babcock Jr. Gas Powered Micro Rail Mite Racer.
Babcock Jr. Gas Powered Micro Rail Mite Racer.
Cribbs74- Moderator
-
Posts : 11895
Join date : 2011-10-24
Age : 50
Location : Tuttle, OK
Re: Small Engine Museum
cribbs74 wrote:I liked this one quite a bit. It was .010 powered
Babcock Jr. Gas Powered Micro Rail Mite Racer.
Thats a nice one and I think I have a kit for the body of it somewhere.....
Re: Small Engine Museum
WingingIt74 wrote:I like the Twin Black Widow QRC
Same but I have a thing for the small engines!
Re: Small Engine Museum
nitroairplane wrote:cribbs74 wrote:I liked this one quite a bit. It was .010 powered
Babcock Jr. Gas Powered Micro Rail Mite Racer.
Thats a nice one and I think I have a kit for the body of it somewhere.....
Really? an aluminum body? cool, you ought to build it. After the 'roaring 20 though......
Cribbs74- Moderator
-
Posts : 11895
Join date : 2011-10-24
Age : 50
Location : Tuttle, OK
Re: Small Engine Museum
cribbs74 wrote:nitroairplane wrote:cribbs74 wrote:I liked this one quite a bit. It was .010 powered
Babcock Jr. Gas Powered Micro Rail Mite Racer.
Thats a nice one and I think I have a kit for the body of it somewhere.....
Really? an aluminum body? cool, you ought to build it. After the 'roaring 20 though......
lol I do not have the skill!
I just checked it is not that it is actually for a 4" mini dooling frog tether car.
I may build it one day it is just an aluminium casting.
Indra
hey winging it
please can you send me the plans for the geard twin!!!!!!
cox24711- Platinum Member
- Posts : 722
Join date : 2014-01-18
Age : 21
Location : Noosa Queensland Australia
Re: Small Engine Museum
cox24711 wrote:please can you send me the plans for the geard twin!!!!!!
You'd have to track down the gentleman who built it...
Re: Small Engine Museum
That might be the first, but the gearing, bearings, and shafts can be purchased off the shelf from any number of supply houses, and the rest of the system is pretty easy to fabricate.
Phil
Phil
pkrankow- Top Poster
- Posts : 3025
Join date : 2012-10-02
Location : Ohio
Re: Small Engine Museum
Most of these converted "Cox" multi's that were made, suffer from being too heavy for practical model airplane use. They're beautiful examples of precision machining, but the gears, shafts and support bearings add a LOT of weight.. not to mention the added rotational weight and drag induced by the gears meshing. These engines in singe-cylinder form were designed to do their job at 17K+ rpm's... Gearing 2 together will decrease this number dramatically, and I would imagine it would also wear out the piston/cylinder fit prematurely because of the extra drag induced. The air/fuel mixture and quantity to each cylinder also has to be equalized.
Jason just bought a geared Cox .049 twin reedie. It's beautiful. It came with a pair of 80 TPI NVA's. I suggested replacing them with 124TPI fine-thread NVA's to make it easier to synchronize the 2 cylinders, if he decides to run it.
Jason just bought a geared Cox .049 twin reedie. It's beautiful. It came with a pair of 80 TPI NVA's. I suggested replacing them with 124TPI fine-thread NVA's to make it easier to synchronize the 2 cylinders, if he decides to run it.
Re: Small Engine Museum
We have a expo show that my son and I attend known as Cabin Fever. Usually held in January this year it's held in April. Looking through some of the video above I came across this video on You Tube. I witnessed this fellow run all of the engine's he had on his table. The Harley Panhead was over the top cool. I believe he told me his father had built these running models. The sound they made just put a smile on your face. https://www.youtube.com/watch?v=GGXHMAic2O4 Ken
Ken Cook- Top Poster
- Posts : 5455
Join date : 2012-03-27
Location : pennsylvania
Re: Small Engine Museum
That mini Harley is pretty cool, sure would like to have one.
crankbndr- Top Poster
- Posts : 3067
Join date : 2011-12-10
Location : Homestead FL
Re: Small Engine Museum
I probably would have killed for that V8 when I was a kid. Very nice little engines!
Cribbs74- Moderator
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Posts : 11895
Join date : 2011-10-24
Age : 50
Location : Tuttle, OK
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