Log in
Search
Latest topics
» Revivng Some Childhood Classicsby rsv1cox Today at 7:17 am
» Introducing our Cox .049 TD Engines
by getback Today at 6:20 am
» Project Cox .049 r/c & Citabrian Champion
by getback Today at 6:17 am
» Roddie's flat-bottomed boat..
by Levent Suberk Today at 12:23 am
» Cox powered jet-pump for model Sprint Boat
by roddie Yesterday at 10:25 pm
» Micro Draco Gets to Fly on a Beautiful Morning.
by rdw777 Yesterday at 8:15 pm
» Jim Walker Firebaby
by rdw777 Yesterday at 8:06 pm
» Hydro-bat by Vic Smeed: engine probs
by GallopingGhostler Yesterday at 5:12 pm
» Fox .35 Modifications
by Onelife Yesterday at 4:36 pm
» Roddie-Rigger.. a 2005 original design
by roddie Yesterday at 3:39 pm
» [solved]most Efficent Glowhead Clip for Norvel Engine
by batjac Wed Apr 24, 2024 10:33 pm
» TD/Medallion .049 fuel draw issues
by Ken Cook Wed Apr 24, 2024 7:18 pm
Cox Engine of The Month
Thermal Hopper Crankshaft wanted
Page 1 of 1
Thermal Hopper Crankshaft wanted
I was a proud owner of a brand new Thermal Hopper - dating back to before 1955- until today. The crank-pin broke when I simply flipped the prop over....I removed the backplate and saw the crank is made of a very thin material in the pin area so no wonder it broke.
Anyone has an idea where, apart from feebay (where it is not available), such a crankshaft could be found?
Anyone has an idea where, apart from feebay (where it is not available), such a crankshaft could be found?
balogh- Top Poster
-
Posts : 4745
Join date : 2011-11-06
Age : 65
Location : Budapest Hungary
Re: Thermal Hopper Crankshaft wanted
I don't know if you want to do this but I've seen a thermal hopper with the case shortened to accept a killer bee crankshaft.
Jim
Jim
JPvelo- Diamond Member
- Posts : 1972
Join date : 2011-12-02
Age : 56
Location : Colorado
Re: Thermal Hopper Crankshaft wanted
Uhhhhhhh a but bizarre. ..I cannot see myself amputating the nose of an antique COX....but not a bad idea from technical point of view. Do the cranks have the same diameter? Thank you.
balogh- Top Poster
-
Posts : 4745
Join date : 2011-11-06
Age : 65
Location : Budapest Hungary
Re: Thermal Hopper Crankshaft wanted
balogh wrote:Do the cranks have the same diameter? Thank you.
As far as I know they are the same. I would definitely to a test fit before I took the nose off the case.
Jim
JPvelo- Diamond Member
- Posts : 1972
Join date : 2011-12-02
Age : 56
Location : Colorado
getback- Top Poster
-
Posts : 10114
Join date : 2013-01-18
Age : 66
Location : julian , NC
Re: Thermal Hopper Crankshaft wanted
That looks like a regular crankshaft with a prop hub fastener (Not sure that is the right word) screwed into the front. You should be able to unscrew the hub. Andy
anm2- Gold Member
- Posts : 292
Join date : 2013-03-30
crankbndr- Top Poster
- Posts : 3067
Join date : 2011-12-10
Location : Homestead FL
Re: Thermal Hopper Crankshaft wanted
The early cranks don't fit, they're a smaller diameter. They're also kinda rare as they didn't survive crashes very well
Page 1 of 1
Permissions in this forum:
You cannot reply to topics in this forum