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Barrel smoke WIP

Old 02-28-2024, 05:11 PM
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Tankhobby
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Default Barrel smoke WIP

I bought one of the Henlong barrel smoke kits to use in one of my 1/6 scale tanks. I used the smoke tank, motor and tubing. Didn't need the pcb that came with the kit as that is meant for connection to the Henlong motherboard. I connected a DC supply to the smoke tank heater and triggered the motor from a regular RC switch (5 VDC). Looks OK but I want more smoke, might try increasing the voltage on the heater, but I have to be careful that I don't burn it out. Going to add the Taigen barrel flash also for added affect. When the barrel recoils from firing it will expose the flash LED and the smoke will shoot out of the tube.


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Tanker1966 (03-06-2024)
Old 04-03-2024, 11:54 AM
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Azhuonyk
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And is it possible on a Pz.Kpfw.IV?
Old 04-03-2024, 12:49 PM
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Pretty cool. How does it function?
Old 04-03-2024, 02:53 PM
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Tankhobby
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It's pretty simple, a smoke unit and an air pump. The smoke unit gets a DC supply to generate smoke, when the gun fires it triggers the air pump to pump air into the smoke unit and from there out to the gun barrel. If it ever stops snowing around here I will have a video of it operating in my 1/6 scale Sherman. I don't like running the smoke units indoors, they smell a lot! LOL
Old 04-03-2024, 06:51 PM
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I'm curious why half the smoke line is white all the time as if it was full of smoke?

And doesn't the smoke unit burn up with no airflow going through it all the time?
Old 04-04-2024, 03:15 PM
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Tankhobby
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Originally Posted by maillemaker
I'm curious why half the smoke line is white all the time as if it was full of smoke?

And doesn't the smoke unit burn up with no airflow going through it all the time?
There is smoke in the line and will slowly leak out if left on for a long time. I'm planning on hooking the heater up to an RC switch so I turn it on when I plan to use it, off when I'm not. The wattage rating of the heating element will determine if it burns out, with the right voltage it may stay on for a long time and not burn out. Depends upon what is used as a heater, wire, resistor? I have an adjustable regulator connected to the heater, you can see the digital readout above right of the motor. I'm looking at a larger smoke unit for more smoke and wattage. Still testing...
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Old 04-04-2024, 06:56 PM
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So is it generating smoke all the time, and then the blower only turns on when it's time to shoot? Or is the blower going all the time, too, and some kind of valve opens to let the smoke out?
Old 04-05-2024, 03:30 PM
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Tankhobby
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Yes while it's powered it is generating smoke in the tank, there is no "blower" on the tank, only the air pump that pumps air into the tank and out the exit tube that's in the barrel. This is from the Henlong barrel smoke kit, I disconnected the circuit board and used the smoke tank and air pump, added a regulator and I control the air pump motor with the canon fire signal to turn on for about a second. In the video I'm controlling the pump by hand with a servo controller. No valves, if left on for a long time I guess smoke would slowly leak out the barrel, that's why an RC switch would be good. Turn it off if not using it.

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