Devgru Neo Posted Wednesday at 13:58 Share Posted Wednesday at 13:58 Hello there. I just wanted to kindly ask, I've noticed there are several airsofters that upgraded their cyma ebr into an electric blowback, I believe connecting a rope/string to the piston and the bolt. I couldn't find tutorials though. Could please anyone gently explain to me how to do it myself? Link to comment Share on other sites More sharing options...
Cocha Posted Wednesday at 15:02 Share Posted Wednesday at 15:02 Following this thread, I'm interested Link to comment Share on other sites More sharing options...
Supporters Lozart Posted Wednesday at 15:59 Supporters Share Posted Wednesday at 15:59 The only thing I can think of is that they've butchered a Tremors kit into the Cyma EBR Mod 1 that has an M4 buffer tube. Even then, it would need some work because it's not the same gearbox at all. https://www.modify-tech.co/products/tremors-2-recoil-system-for-m4-carbine-1 Also - EBR in this case stands for "Enhanced Battle Rifle" and is nothing to do with blowback or recoil. Tackle and Devgru Neo 1 1 Link to comment Share on other sites More sharing options...
Devgru Neo Posted Wednesday at 18:27 Author Share Posted Wednesday at 18:27 2 hours ago, Lozart said: The only thing I can think of is that they've butchered a Tremors kit into the Cyma EBR Mod 1 that has an M4 buffer tube. Even then, it would need some work because it's not the same gearbox at all. https://www.modify-tech.co/products/tremors-2-recoil-system-for-m4-carbine-1 Also - EBR in this case stands for "Enhanced Battle Rifle" and is nothing to do with blowback or recoil. Thank you good sir Yeah I know what an ebr means, I just wanted to replicate the sliding bolt, I'm studying a way to recreate the blowback as well, even though I'm no expert. Guess the easiest answer is a lvl 3 ra tech ebr Link to comment Share on other sites More sharing options...
Devgru Neo Posted Wednesday at 19:34 Author Share Posted Wednesday at 19:34 That's basically what I wanted to replicate Link to comment Share on other sites More sharing options...
GiantKiwi Posted Wednesday at 19:48 Share Posted Wednesday at 19:48 (edited) 14 minutes ago, Devgru Neo said: That's basically what I wanted to replicate Good luck with that, 16 years is a long, long time. And no, RATech Lvl3 EBR is a GBBR, there is no way to retrofit an aeg gearbox into it. Edited Wednesday at 19:49 by GiantKiwi Link to comment Share on other sites More sharing options...
Devgru Neo Posted Wednesday at 19:54 Author Share Posted Wednesday at 19:54 I know ra tech is a gbbr, I meant to get a recoil action on a ebr. Never had the idea to swap gbbr internals within an aeg. Anyway thank you Link to comment Share on other sites More sharing options...
Anonymoose Posted Wednesday at 20:13 Share Posted Wednesday at 20:13 15 minutes ago, Devgru Neo said: I know ra tech is a gbbr, I meant to get a recoil action on a ebr. Never had the idea to swap gbbr internals within an aeg. Anyway thank you The gun in that video is just modified to have a moving bolt, not a blowback system. From what they describe, making the bolt move like that is relatively simple with a bit of engineering. To have an actual blowback effect (like an NGRS) you need an additional weight in the mix somewhere which is a whole other bit of engineering in itself, unless you find a way to transplant an NGRS/similar gearbox into your desired gun. No doubt it's possible, but probably not a DIY job either. Devgru Neo 1 Link to comment Share on other sites More sharing options...
Devgru Neo Posted Wednesday at 20:18 Author Share Posted Wednesday at 20:18 (edited) 5 minutes ago, Anonymoose said: The gun in that video is just modified to have a moving bolt, not a blowback system. From what they describe, making the bolt move like that is relatively simple with a bit of engineering. To have an actual blowback effect (like an NGRS) you need an additional weight in the mix somewhere which is a whole other bit of engineering in itself, unless you find a way to transplant an NGRS/similar gearbox into your desired gun. No doubt it's possible, but probably not a DIY job either. Thank you, did you get how it's done? I'm not quite sure I did Talking about just the bolt slide Edited Wednesday at 20:19 by Devgru Neo Link to comment Share on other sites More sharing options...
Anonymoose Posted Wednesday at 20:23 Share Posted Wednesday at 20:23 Just now, Devgru Neo said: Thank you, did you get how it's done? I'm not quite sure I did Talking about just the blot slide They said they cut a slot in the gearbox and used string attached to the piston to link to the bolt. Personally, i would use solid (but sliding) linkage instead of string but as said before this isn't really DIY and is more engineering. Devgru Neo 1 Link to comment Share on other sites More sharing options...
Devgru Neo Posted Wednesday at 21:00 Author Share Posted Wednesday at 21:00 36 minutes ago, Anonymoose said: They said they cut a slot in the gearbox and used string attached to the piston to link to the bolt. Personally, i would use solid (but sliding) linkage instead of string but as said before this isn't really DIY and is more engineering. Got it, thank you so much. So maybe a good tech can handle it? Link to comment Share on other sites More sharing options...
Anonymoose Posted Wednesday at 21:36 Share Posted Wednesday at 21:36 34 minutes ago, Devgru Neo said: Got it, thank you so much. So maybe a good tech can handle it? Possibly, but it's more fabrication/engineering to do it well than typical teching. Probably needs some modification to the bolt too, and it may well impact reliability and eat gearboxes. The cost is another aspect to consider. If paying someone to do it you could get into hundreds pretty quick. Devgru Neo 1 Link to comment Share on other sites More sharing options...
Devgru Neo Posted Wednesday at 21:42 Author Share Posted Wednesday at 21:42 5 minutes ago, Anonymoose said: Possibly, but it's more fabrication/engineering to do it well than typical teching. Probably needs some modification to the bolt too, and it may well impact reliability and eat gearboxes. The cost is another aspect to consider. If paying someone to do it you could get into hundreds pretty quick. Got it, thank you so much Link to comment Share on other sites More sharing options...
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