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It's scared of heights.

Oh look, another T28 how spiffy

Oh one thing i think I didn't already write is that maybe change the muffeler to a normal os one yea it will stick out but idk i never saw one of these muffelers and maybe thats it. but idk its weird. os are normally the most reliabel engines. And it has to have a reasone. Another thing maybe some line or the tank or smth else on the fuel system is leaking for me that was mostly the reason when some engine just randomly cuts off.

Brushless afterburners are so lame.

4s only way to fly her🔥🔥🔥🔥😎😎😎

What is the next thing you're gonna do about your Piper-Cub?

Your fuel line could be cavitating causing bubbles because of the starve for fuel it comes from vibration just a thought

I love that plane. It is a great flyer right out of the box. The colors are incredible in the sky. You're going to love it.

Use code Hangar14 at checkout to save some extra cash! shrsl.com/4l7pe

First things first, double check the clunk and make sure its not touching the back of the tank. If that checks out, the next thing is look at is the pressure line from exhaust to tank. Make sure the vent hard line isnt touching the top of tank and getting blocked. If that checks out, that muffler may not be allowing enough exhaust pressure to enter the tank. If that isnt it, change the glow plug again (i know) and try someone elses fuel. I had a os 55ax that kept dying abruptly and i couldnt figure out why. A buddy of mine snagged some of my fuel, same issue. Tried some powermaster (my personal fav) and issue went away.

Amen nitro is fun.

Maybe change the engine and get a new nitro one

Yes please. Let me know how to set the axs3x because I’ve been having to fly this without it and can’t flip safe if I get in trouble.

Make it electric.

I love the UMX Voodoo. It screams for a little guy. Great video.

Wow, excellent video, bro! Subscribed. You are great in front of the camera. Keep it up. This may be my new favorite RC aviation channel.

That start-up is way too easy. Have you checked the compression? It seems like it has low compression. Especially if it is starting backward that easily. Yes, they can start backward but that mostly happens in low-compression engines. I would check. If it is low you can always have the sleeve pinched to get more compression out of it. It will always lean out when it gets warm during climb out. If the compression is good then the high-speed needle is too lean. Turn it counterclockwise a turn or more. It should have more smoke coming out of the exhaust. It is not getting enough fuel. Rich is better than lean. It just won't produce as much power. Too rich is not good either but you are not having that problem. The smoke seems really light. Good luck. If anything the airframe is worth the $100.

Could be getting hot during climb-out and leaning out. Check the temperature of the engine. There is an air leak causing it to lean or a fuel pressure issue with the tank. The engines are pretty simple. How is the compression? Is the front bearing leaking any fuel? If I had it in front of me I would be able to diagnose the problem easily. If it has low compression it won't ever run correctly. You would need to have the sleeve pinched or buy a pinching tool and do it yourself.

👌😎👍Very cool and very sweet indeed!.

Go Electric!

Have you looked at your needles and seats in the carb? Is the carb the original carb? Air density can affect air flow in carbs on nitro motors. Try a smaller carb to increase fuel flow.

The gear is a joke for you, isn't it?)

It's leaning itself out on the carburetor air to fuel ratio mixture so you got to make it run richer when it gets up higher

Do you know the brand of it? or at least where it came from?

My grandpa has 1/2 scale cub that we fly every once in a while

just found out about your channel real nice videos now i am going to watch each and every one of it 😁

You have rc afterburner but i have- MSI afterburner 🗿

I have no intetest in toy planes. Dont know how many channels I have to block or tell youtube to stop

this is like a sticker for 5bhp

Ain't got no gas in it.

It’s probably the flux capacitor

Step 1.) Use an electrically powered motor

the landing gear is not 200...lol

What are you gonna do about your Piper Cub? It's SO beautiful, but unfortunately it keeps turning off mid-air. 😢 Maybe it would help if you disasemble the whole engine and clean it. I'm no expert but this worket in my engine, you can find on my channel. 😅I hope it would help

Now imagine this with a smoke or steam machine 🤯🤩

WOW 😯

Have you pressurised the fuel tank from the exhaust? Fuel tank position too low. Clunk stuck rattle the plane and listen for the rattle

It's overheating. Also it's a os max . Smaller prop ,use 25% glow fuel or install a tiger shark

There is a possibility the engine just Wasnt Run In proper OR Hell Even Just been abused by someone Guessing their way thru... hense how the plane changed hands

Don't HATE on 2strokes nitros, just have to Learn what need to Know. All type of fueled engines have their respective quarks that pertain to each. Proper Setup & Regular maintenace and solid understanding of the items you are using make all the difference. REPLACE ALL fuel lines, pin holes can lean and cause airbubbls, run inline dbl SS fuel filter, possibly swap tank, check lines hooked up proper, & tighten fuel tank cap if has center screw and or replace tank with dubro or other HQ, CAN NOT LeAK Fuel. Also make sure exhaust gasket is good n tight. Try Running lil bit Richer

Crank seals

The problem is, you didnt install an electric motor. Solves 100% of fuel issues.

Tank vent? Sticking tank clunk?

It’s choking….. engine temp rises and fuel pressure drops so it’s starving so gasket leak is all there is left

Did someone remove the exhaust baffle? If so, there might not be enough back pressure to push adequate fuel to the carb when demand increases.

Dumb question but have you been filtering your fuel? Have inline filters from tank to carb?

Fuel clunk or tank

Add some pure castor into your pure synthetic fuel. You want to add 2% castor with your 16% synthetic for a total of 18% oil content. uh 10% nitro fuel too. but see last sentence too. When you are holding it vertical shake it up and down to see if the mixture is to lean. Slightly rich is better than slightly lean and It's a Cub so no need for optimum RPMS. Another maybe is to seal your carburetor with high temp silicon from an auto parts store (red). Also while the carb is off crank fuel in and out of all openings in both directions for all, do the needle valve area too. Also sounds like you need a smaller less loading higher RPM prop. I am not hearing enough RPMs so your prop is likely to large. I'd put $ that you simply need a smaller prop. Exactly what OS engine is that? If .45 put a 10-6 on it. Most likely you are overheating as caused by (see above). If it's an OS .45 use at least 15% nitro with 18% oil content. My OS .45s LOVE YS 20-20.(20% nitro, 20% Oil full synthetic)

Carburetor running into atmospheric problems and the tune either leaning itself out or running too rich as result of sudden atmospheric changes or humidity changes which also could result in a sudden change in fuel pressure also maybe within the fuel tank and you get a stall? Check your fittings and seals again or go with custom sizes from hand crafting the seals and rings? 🤔

How does that carburetor adjust for altitude it's dying because it's running rich and overheating try flying at 30 ft off the ground and see if it still does it if there are jets in it you may have to change to a medium jet to get between 1,000 ft and sea level