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Mr Rixter

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  • RC Cars
    Thunder tiger mta4 s50
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  1. Yeah it was too lean contrary to everything I've read. It shows that you should always just listen to your engine. Tuned it nicely today with the help of a thermometer and it now runs like a dream, had tons of fun bashing. Thanks for all the help.
  2. I have an update as I took the truck out today. I upgraded the radio during the week to a 2.4ghz one which solved most of my problems as I can control the truck now and it never fails to move. It runs good on WOT with nice top speed and very good temperatures. There is only one problem left. When I start the engine it idles fine and accelerates nicely. However, after a nice WOT sprint, I stop the car and when I try to accelerate again it bogs down and some times stalls, that happens only from 0-50% throttle. If it manages to get past the initial bog then it accelerates nicely into the second gear where it flies (forgot how fast this truck is). I immediately thought the LSN was too rich (factory setting) but when I tried to lean it the stalling became really bad, could barely get the car moving without stalling so I reset it back to the factory setting where I kind of left it and called it a day. I'm using the TT R2 plug which is meant to run hot I think. Any ideas on how to solve the initial bog? Checked the engine for leaks there was only some bubbles coming out from the back of the flywheel which I read is normal.
  3. After a closer inspection it looks like my shock caps are super glued, no wonder I've never had them pop off like many other s50 owners have complained about.
  4. Hello, I want to change the oil of the shocks but I'm stuck, I can't seem to be able to completely dissemble the shock. I have removed the bottom part of the shock but the top cap is still screwed somehow so I can't completely remove the rod and change the oil. I don't want to break it so has anybody done this before? Cheers
  5. I think he mixed the MSN which should be 1.25 turns out with the LSN.
  6. I took the truck out yesterday and made some interesting observations. The pinion/spur are spinning when the truck doesn't move but it only happens occasionally. I believe the receiver is at fault as all the servos go crazy on their own even if the transmitter is off. I want to replace the radio system with a 2.4 ghz one http://www.modelsport.co.uk/carson-reflex-pro-2-lcd-3ch-2.4ghz-fhss-combo/rc-car-products/368278 I assume that receiver will work fine with the analog servos right? I also noticed I need to keep priming the truck every time I want to get it started after it cuts off and the fuel line contains many bubbles so there might be an air leak somewhere. The electronics need sorting before I can properly check other things as I cant control the truck atm. Could it be something else apart from the receiver? I tried some AA batteries and the same problem happens.
  7. I didn't touch the battery for 3 years so could have degraded a lot. I'm going to double check the pinion/spur gear tomorrow, order a new hump pack and update this thread after. You guys are awesome!
  8. Thank your for your replies. Its the original s50 so it uses a 27mhz radio system but I had no problems with it in the past. I'm using a 1500 6v hump pack. The electronics seem messed up to me. I did not examine the clutch but last time I used the truck it was running just fine. So could it have broken during storage? The gears at the end of the engine were moving but I will check again tomorrow morning just to be sure. I also noticed the truck sometimes it would not switch to second gear.
  9. Hello, I took my s50 out of a 3 year hibernation and after cleaning the engine the beast started with not much effort which surprised me a lot. However, after factory resetting the needles I took it out for some tuning and two main problems came up 1) The servos seem to be acting on their own when there is some range between the transmitter and the receiver. I mean seriously moving on their own both the throttle and steering servo. This happens with the engine both on and off. If the transmitter is a couple of meters or closer to the truck then the servos don't move on their own but there is still some buzzing noise coming out of them. Any thoughts on this? Is it the receiver that needs replacing? 2)Sometimes I apply throttle, I can hear the engine revving up but the truck does not move, then all of a sudden it might start to move. Is this some kind of gearing problem? Thank you in advance, I would really like to get back into this hobby.
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