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mightyjebus

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Posts posted by mightyjebus

  1. I'd highly recommend buying and using the TM LIPO batteries for the MP5 series. It's expensive to get the battery, cell checker and charger (£200+) however the battery plus sensor wire is designed for the MP5 NGRS series so will probably stop the ECU's failing. For info the TM battery is a 35C LIPO and the MP5 runs much better on the TM battery than is does on my other LIPO's I've been using (25C).

  2. 2 hours ago, BigStew said:

    I did not know that thanks for the information. Does the CYMA have the lock on empty function? Since the MP5 came out I am hoping a G3 range is on its way. 

    No, it's a copy of the original type 3 AK recoil from TM. It's a CM.046 if you want to check it out.

  3. 6 hours ago, BigStew said:

    People keep saying that, but what exactly is a massive innovation that another company has made? Everything is still fundamentally based on TM designs. I notice no one has cloned a Recoil other than the AA12. 

    Valid comments however Army made a nice clone of the recoil M4's (I've got one here that works a treat) and CYMA knocked out a recoil AK which was slightly better than the TM version because it took normal AEG AK mags straight out the box.

    I still think TM lead the way as all the other innovations have either been expensive, failed or both. Systema PTW, ICS split gearbox, GBLS, TOP shell ejecting AEG to name a few.

    Now it's unlikely TM will be reading this but just in case, hurry up and make a recoil G3 and stick a mosfet in the M4 recoil platform.

  4. so good news and bad news. I replaced a few more parts and managed to fix the ECU. It ran for about 1 mags worth of BB's and died again once I did a bit of rapid semi auto.

     

    *EDIT*

    So I stripped it down again and luckily the motor connector had come away from the motor and once reattached the MP5 is now running fine. I'll give it a run out next weekend to see if it holds up.

     

    It's looking like I fixed the ECU. 

  5. so the new Mosfets turned up and I replaced the knackered one. Still get the red light of death however I've stripped the board out again and found another 2 shorted resistors and a Cap showing open circuit. Now need to order these parts and fit them.

     

    I've got to say that working on the MP5 is quite nice as it strips down really easily.

  6. So the parts arrived and I fitted the new diode and amp and.... it still doesn't work but it's not all bad news.

     

    I can connect a battery and go into dry fire mode and it happily flashes blue however as soon as I pull the trigger in either mode it turns solid red. I stripped it back down and I found that one of the mosfets has a short between source and drain. I think I missed that when checking the board. I've ordered some however it's from Aliexpress and no where else seems to have the SM4391NSKP mosfet even listed on their site.

     

    When they turn up I'll replace all 3 and see what happens.

     

    On another note, I found that if you get a solid red light followed by 3 quick red flashes then you have a motor issue.

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