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Thank you for your comment! I am glad to hear that you were at least to make your engine start. These old engines did not have pressurized fuel tanks or mufflers. The engine will run on an external fuel tank without the aide of a pressure tap as long as the elevation of the tank is centered about the level of the engine's needle valve. Good luck! David
davideo4301 7 months ago
we bought a dead man's house , and i found one ok cubs engines. it has the fuel thank at the end of the engine. I tried it today , and i couldnt run it without pumping fuel to the tank all the time. And it seems that you dont have any kind of pressure on your fuel tank ? At least my brothers 4-stroke kyosho's fuel tank is pressured by the air from the muffler. I would be happy to get a respond to my comment , and sorry for my english , im a finn and only 16 years old.
-FF95
Flyingfin95 7 months ago
This has been flagged as spam show
which one is more common i have one that is the longer one you can see in my vid tell me what you think
vipervenomply 11 months ago
@vipervenomply The engine with the longer shaft housing is the most common by far. I could not see your video because I don't have the link so I could not confirm which engine you have. Sorry that the system flagged your comment as spam. David
davideo4301 7 months ago
can i put a cox starter spring on my ok cub .049a ?
98CiViC0301 2 years ago
The front Intake on the Cub, may interfere with the end of the spring that wraps around the cylinder but I am not sure because I have never tried.
davideo4301 2 years ago
why are you using a 9x8 prop. do these produce more power?
rayzatube 2 years ago
I was trying to demonstrate how the engine would react to a pusher propeller and that was the only one that I had at hand at the time. normally I would use that propeller with a 40 size engine.
davideo4301 2 years ago
Oh I see. Yea I use that size prop on my Fox 40 lol That 049 seemed to push that prop pretty good:^)
rayzatube 2 years ago
I bought an ok cub .049b off ebay and ran it about an hour ago, its the smoothest running .049 I have. Nice and loud too!
MalWolf01 2 years ago
Yes! They are smooth running, very light and powerful but, without mufflers they are noisy, as you say. I guess that's what killed them in the end..
davideo4301 2 years ago