millermonsterNI Posted December 7, 2020 Share Posted December 7, 2020 Hi a friend got second hand TM mp5. It chokes when firing I have tried 2 different hopup rubbers g&g and cheap Brand. Is there anything else that may cos choking. Link to comment Share on other sites More sharing options...
Skara Posted December 7, 2020 Share Posted December 7, 2020 More information? Energy output? what bb weight are you trying to lift? Link to comment Share on other sites More sharing options...
DerDer Posted December 7, 2020 Share Posted December 7, 2020 As above, what type and weight of BBs are you using? Have you tried a different brand or weight? Link to comment Share on other sites More sharing options...
millermonsterNI Posted December 9, 2020 Author Share Posted December 9, 2020 Both .2 and .25g at 1 joule. Brand are rocket and have they fire fine in my own TM mp5 Link to comment Share on other sites More sharing options...
Skara Posted December 9, 2020 Share Posted December 9, 2020 Odd. TMs should have zero issues lifting 0.25s.. Is the hop unit perfectly aligned to the nozzle? Is the tensioner applying decent pressure? Is it correctly seated in the hop arm? You mentioned a G&G rubber which I supposed is the green one, I only had issues with them. They just did nothing-nothing-nothing-JAM ALL THE BBS. I'd try with a Prometheus purple, I only had great results with them (mind you, I'm capped at 1J too ) hopping up to 0.28s nice and straight (wouldn't go heavier, after all it's still a standard mound rubber) Link to comment Share on other sites More sharing options...
millermonsterNI Posted December 9, 2020 Author Share Posted December 9, 2020 Thank you will order up a Prometheus and let you know how get on Cheers Link to comment Share on other sites More sharing options...
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