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Forum: RC Tanks

04-17-2024, 11:35 AM

Replies: 10

My Heng Long KV-1 exhaust modification

Views: 524

Posted By maillemaker

I have found that the latest version of the...

I have found that the latest version of the manifold warped at the top of the chimney from the heat of the smoke.

This, plus the oily residue of the smoke condensation, pulled the hot glue free.
...

Forum: RC Tanks

04-12-2024, 07:24 PM

Replies: 10

My Heng Long KV-1 exhaust modification

Views: 524

Posted By maillemaker

It's PLA.

It's PLA.

Forum: RC Tanks

04-12-2024, 08:23 AM

Replies: 10

My Heng Long KV-1 exhaust modification

Views: 524

Posted By maillemaker

Well, the hot glue is not holding up so well to...

Well, the hot glue is not holding up so well to the heat and oily condensation of the smoke. Also the manifold is getting warped slightly just below the main smokestack in the thin area of the...

Forum: RC Tanks

04-09-2024, 01:53 PM

Replies: 10

My Heng Long KV-1 exhaust modification

Views: 524

Posted By maillemaker

I continue to be tickled with my modified exhaust...

I continue to be tickled with my modified exhaust setup. It works perfectly. Really cool to see smoke pouring out the actual exhaust pipes on the KV-1!

https://youtu.be/P18cokeKURA

Forum: RC Tanks

04-01-2024, 01:00 PM

Replies: 10

My Heng Long KV-1 exhaust modification

Views: 524

Posted By maillemaker

This new manifold is SWEET! Licked the flooding...

This new manifold is SWEET! Licked the flooding problem. So cool to see the KV-1 breathing exhaust out of where it ought to!

Forum: RC Tanks

03-31-2024, 04:11 PM

Replies: 10

My Heng Long KV-1 exhaust modification

Views: 524

Posted By maillemaker

So, the long tubing run acted like a condenser,...

So, the long tubing run acted like a condenser, allowing the smoke vapor to condense back to liquid, plugging the hose. Might get away with using larger diameter tubing.

But I redesigned the...

Forum: RC Tanks

03-30-2024, 08:25 PM

Replies: 10

My Heng Long KV-1 exhaust modification

Views: 524

Posted By maillemaker

Yeah, the flooding is really a problem. You get...

Yeah, the flooding is really a problem. You get one good run, and when you shut off the tank, any vapors left in the system condense and plug the plumbing.

So, I'm going to redesign the manifold...

Forum: RC Tanks

03-30-2024, 03:21 PM

Replies: 10

My Heng Long KV-1 exhaust modification

Views: 524

Posted By maillemaker

I'm finding already that this system has a...

I'm finding already that this system has a propensity for "flooding". The smoke condenses in the tube and manifold, and then gets "plugged" and no longer smokes. I'm going to redesign the manifold...

Forum: RC Tanks

03-30-2024, 02:28 PM

Replies: 10

My Heng Long KV-1 exhaust modification

Views: 524

Posted By maillemaker

My Heng Long KV-1 exhaust modification

So as you may know, the Heng Long KV-1 comes from the factory with the smoke exiting what is supposed to be the tail light. The actual exhaust pipes are on top of the engine deck. The tank is...

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