1/16 Tamiya King Tiger RC Urgent Help

[Michael151722]

Hello,

I need some help urgently. For some reason my gun elevation stopped working, it is really droopy and sloppy on my Tamiya King Tiger 1/16 RC. I can only get the gun to elevate and depress in that position in the video below?

If I put it in normal position it doesn’t work at all. What I mean is it only elevates and depress in the position I am holding the tank in, the video. If I have the turret attached to the hull it doesn’t work and will slop. I have already changed the gears to the blue one already

Please help I am begging you guys

[Jib]

So, couple of questions:

If you hold it right side up not attached to the tank, does it still work? Wondering if it’s gravity keeping it from working or something on the tank blocking it.

You say when it’s on the tank the barrel is droopy and sloppy, can you elaborate on this?

Did something happen to the tank recently or did you just turn it on one day and it was like this? You said something about changing a gear to a blue one?

Can you move the barrel up and down with your hand (like is it loose, does it jiggle) or is it held firm by the servo apparatus.

Full disclosure I don’t own a Tamiya, but I’m willing to give figuring this out a try. Maybe someone else who is more familiar with the Tamiya elevation system can chime in here.

[Michael151722]

So, couple of questions:

If you hold it right side up not attached to the tank, does it still work? Wondering if it’s gravity keeping it from working or something on the tank blocking it.

You say when it’s on the tank the barrel is droopy and sloppy, can you elaborate on this?

Did something happen to the tank recently or did you just turn it on one day and it was like this? You said something about changing a gear to a blue one?

Can you move the barrel up and down with your hand (like is it loose, does it jiggle) or is it held firm by the servo apparatus.

Full disclosure I don’t own a Tamiya, but I’m willing to give figuring this out a try. Maybe someone else who is more familiar with the Tamiya elevation system can chime in here.

Hello, Thank you man I remember you from Reddit too, if I hold it right side up and not attached it still works. And I changed the black clutch gear to another one, the blue gear you see as I did that with the turret unit which kept on slipping also.

Like what I mean by being sloppy is sometimes oddly when is all in, and fixed down to the hull I can get it moving up and down but than it will fall right back down.

Nothing really happened I took it out for a spin after a couple of months, two days ago it worked, until I feel like when I stuck my fingers into the hatches to find my switch I might have bumped something and I noticed elevation wasn’t as high so I tried fixing it yesterday, and I took the turret apart to have a look inside saw nothing and put it back and it stopped working from that point on

Yes I can move it by hand manually

Better to talk on Reddit? Or Facebook messenger?

I can add you

[Jib]

Yeah, I still lurk on Reddit (I saw your post there), but I got shadow banned most likely by an AI algorithm for some unknown reason reason, and I got tired of begging the Reddit overlords and receiving no response, so I just gave up on that.

Sounds to me like maybe:

You stressed out the motor by pressing down on something? It sounds as though it’s not strong enough to lift/control the barrel.

Or

Since it works held upright maybe it’s bumping into something that’s restricting its movement

Or

Maybe something isn’t tightened down in the elevation mechanism?

I would:

Make sure everything is tight

If it works held upright away from the hull, so it is working against gravity, I would slowly bring the turret back onto the hill and peel and see if the mechanism is bumping into anything. (Additional question: Does the elevation behave the same when attached to the hull with the turret rotated to a specific direction, or any direction?)

You could take a multimeter and make sure the mechanism is getting the appropriate voltage (I kind of doubt this is the problem).

Open up the gear box and make sure the gears aren’t stripped (sounds like you already did this?).

I’m guessing this is some proprietary Tamiya servo/motor powering this? Either way you could try to get a replacement and see if that fixes it. If it’s just a regular servo this would be easy to do. If not you could be in for a hard time. Tamiya doesn’t seem to do a great job of keeping replacement parts available like HL and others do. Check eBay if they’re out of stock on Tamiya’s website.

[Michael151722]

Yeah, I still lurk on Reddit (I saw your post there), but I got shadow banned most likely by an AI algorithm for some unknown reason reason, and I got tired of begging the Reddit overlords and receiving no response, so I just gave up on that.

Sounds to me like maybe:

You stressed out the motor by pressing down on something? It sounds as though it’s not strong enough to lift/control the barrel.

Or

Since it works held upright maybe it’s bumping into something that’s restricting its movement

Or

Maybe something isn’t tightened down in the elevation mechanism?

I would:

Make sure everything is tight

If it works held upright away from the hull, so it is working against gravity, I would slowly bring the turret back onto the hill and peel and see if the mechanism is bumping into anything. (Additional question: Does the elevation behave the same when attached to the hull with the turret rotated to a specific direction, or any direction?)

You could take a multimeter and make sure the mechanism is getting the appropriate voltage (I kind of doubt this is the problem).

Open up the gear box and make sure the gears aren’t stripped (sounds like you already did this?).

I’m guessing this is some proprietary Tamiya servo/motor powering this? Either way you could try to get a replacement and see if that fixes it. If it’s just a regular servo this would be easy to do. If not you could be in for a hard time. Tamiya doesn’t seem to do a great job of keeping replacement parts available like HL and others do. Check eBay if they’re out of stock on Tamiya’s website.

I have been told the gun is too heavy and that the elevation arm can no longer hold it in, and the supposedly D Shaped elevation arm has turned into a circle. After to grab after market parts for a metal elevation arm for DklmRC. Maybe this is the problem

[Jib]

Yeah, I’ve heard the Tamiya KT is one of their more cursed models. Pretty sad that the elevation motor is too pitiful to hold up the gun barrel.

Good luck!

[Michael151722]

Yeah, I’ve heard the Tamiya KT is one of their more cursed models. Pretty sad that the elevation motor is too pitiful to hold up the gun barrel.

Good luck!

Thank you mate

[HERMAN BIX]

Do the Heng Long elevation conversion..................it works and is repeatable.
Tamiya parts are like rocking horse and are almost worth selling out of a model to pay for better conversion parts.

[John Glover]

Replace the arm as it will slowly flog out, become sloppy then fail .Looks like from your video that you need to centre the arm for the correct amount of up and down travel . Motor is over driving when the arm has already hit its stop. May have damaged the plastic arm already. The position of the arm is easy to get wrong when installing a blue gear because of the D shaped shaft it attaches to. We do try to help all members but it does cost. You have to buy another tank.

[Michael151722]

Replace the arm as it will slowly flog out, become sloppy then fail .Looks like from your video that you need to centre the arm for the correct amount of up and down travel . Motor is over driving when the arm has already hit its stop. May have damaged the plastic arm already. The position of the arm is easy to get wrong when installing a blue gear because of the D shaped shaft it attaches to. We do try to help all members but it does cost. You have to buy another tank.

What do you mean buy another tank, I have to replace the plastic arm as I took it out and it is no longer a D shape and it is round now. And about the blue gear could you explain more?