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Posted: 5/7/2017 2:17:23 PM EDT
[#1]
Quote HistoryQuoted:
My experience with m240 Bravo's tells me you have too little gas. It should run on the lowest setting with ease. Ince carbon builds up you can crank it out to 2 and 3 and it should still run. Just dont run a clean gun on the highest setting. I'm almost wondering if the spring that runs the belt over is weak. If the belt would just love over a smidgen or so during cycling it would be fine |
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Posted: 5/7/2017 2:20:24 PM EDT
[#2]
It does hand cycle rounds fine as long as I pull and release the charging handle
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Posted: 5/7/2017 2:22:01 PM EDT
[#3]
Quote HistoryQuoted:
I probably should test it on the lowest setting to be sure. I'm not convinced it's a gas issue just yet. I'm almost wondering if the spring that runs the belt over is weak. If the belt would just love over a smidgen or so during cycling it would be fine Quote HistoryQuoted:
Quoted:
My experience with m240 Bravo's tells me you have too little gas. It should run on the lowest setting with ease. Ince carbon builds up you can crank it out to 2 and 3 and it should still run. Just dont run a clean gun on the highest setting. I'm almost wondering if the spring that runs the belt over is weak. If the belt would just love over a smidgen or so during cycling it would be fine |
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Posted: 5/7/2017 2:22:55 PM EDT
[#4]
Quote HistoryQuoted:
It does hand cycle rounds fine as long as I pull and release the charging handle |
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Posted: 5/7/2017 2:28:52 PM EDT
[#5]
Quote HistoryQuoted:
This is usually a gas issue but I'd check for carrier bind or piston bind first. Is there a size gas port that is "standard" on the 16" guns? |
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Posted: 5/7/2017 3:20:49 PM EDT
[#6]
This thing does look insanely cool though
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Posted: 5/7/2017 3:53:32 PM EDT
[#7]
Quote HistoryQuoted:
Honestly it all feels pretty smooth. I did clip the spring for the striker a bit. It was insanely long. I haven't had any ignition issues however. Is there a size gas port that is "standard" on the 16" guns? |
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Posted: 5/7/2017 3:58:12 PM EDT
[#8]
Quote HistoryQuoted:
Not really. I know on my gun I took the stock port size, and then opened from there till it ran, and then went one more size up. I can't remember the size though and have since sold all of those. I'll increase it and see what happens |
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Posted: 5/7/2017 4:03:56 PM EDT
[#9]
Chase.
For fuck's sake... listen to the prophet. Buy FAL. Have issues. Buy RPD. Have issues. Need second reciever. John Moses Browning is angry with you. You must appease him with an offering of his design for your next project. |
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Posted: 5/7/2017 4:09:59 PM EDT
[#10]
Quote HistoryQuoted:
Chase. For fuck's sake... listen to the prophet. Buy FAL. Have issues. Buy RPD. Have issues. Need second reciever. John Moses Browning is angry with you. You must appease him with an offering of his design for your next project. My best 1911 had extractor issues off the bat 
My best guns always required tweaking at the start |
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Posted: 5/7/2017 4:12:25 PM EDT
[#11]
Quote HistoryQuoted:
Simple growing pains My best 1911 had extractor issues off the bat
My best guns always required tweaking at the start |
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Posted: 5/7/2017 5:21:32 PM EDT
[#12]
Quote HistoryQuoted:
1919 build? Quote HistoryQuoted:
Quoted:
Simple growing pains My best 1911 had extractor issues off the bat
My best guns always required tweaking at the start He should do a Colt Monitor https://www.wwiibarman.com/collections/parts-set/products/colt-monitor-parts-kit |
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Posted: 5/7/2017 5:38:49 PM EDT
[#13]
Quote HistoryQuoted:
Blah.... He should do a Colt Monitor https://www.wwiibarman.com/collections/parts-set/products/colt-monitor-parts-kit 
I forgot about those! |
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Posted: 5/7/2017 5:43:16 PM EDT
[#14]
Opened the port up a bit. About yo go try again
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Posted: 5/7/2017 6:36:14 PM EDT
[#15]
Waiting.
What's a build put you back? I may be able to buy a 249 in a couple years but this might be ok till then. Wish I picked up an rpk from PSA for $400 
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Posted: 5/7/2017 6:38:01 PM EDT
[#16]
So you finally got the receiver, huh?
In for a working RPD
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Posted: 5/7/2017 6:39:53 PM EDT
[#17]
Pretty sure it works!
Relocating to a different spot to get a rough zero and let off a belt |
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Posted: 5/7/2017 6:42:18 PM EDT
[#18]
Quote HistoryQuoted:
Waiting.
What's a build put you back? I may be able to buy a 249 in a couple years but this might be ok till then. Wish I picked up an rpk from PSA for |
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Posted: 5/7/2017 6:44:05 PM EDT
[#19]
Quote HistoryQuoted:
This makes me feel better about my decision to buy one It would be great for gate guard duty after the emp hits. |
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Posted: 5/7/2017 7:44:52 PM EDT
[#20]
It's doing alot better
Still having an occasional hangup. But I can atleast get out some volleys of fire with it. May need just a little more gas |
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Posted: 5/7/2017 7:50:31 PM EDT
[#21]
Quote HistoryQuoted:
Fucking dummy that I am It would be great for gate guard duty after the emp hits. |
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Posted: 5/7/2017 8:21:52 PM EDT
[#22]
Quote HistoryQuoted:
It's doing alot better Still having an occasional hangup. But I can atleast get out some volleys of fire with it. May need just a little more gas |
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Posted: 5/7/2017 8:26:41 PM EDT
[#23]
Quote HistoryQuoted:
Open it one number bit(ie #21, #20,etc) at a time till it runs on the lowest setting. Then open it up one more. I'm gunna try and shoot it a bit more first but I think it needs just a tiny bit more gas. Doing tremendously better than it was yesterday with a jump in gas port. |
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Posted: 5/7/2017 8:28:22 PM EDT
[#24]
Quote HistoryQuoted:
It's at 3/16th right now. I'm gunna try and shoot it a bit more first but I think it needs just a tiny bit more gas. Doing tremendously better than it was yesterday with a jump in gas port. |
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Posted: 5/7/2017 8:39:53 PM EDT
[#25]
Quote HistoryQuoted:
Do you only have fractional bits? |
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Posted: 5/7/2017 8:45:52 PM EDT
[#26]
Quote HistoryQuoted:
I can pick up whatever bits I need. But that's where it's at currently 
http://www.gearhob.com/eng/design/drill_eng.htm |
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Posted: 5/8/2017 8:37:00 AM EDT
[#27]
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Posted: 5/8/2017 8:59:44 AM EDT
[#28]
Quote HistoryThat looks awesome! Glad it is running better.
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Posted: 5/8/2017 10:45:58 AM EDT
[#29]
Im going to knock the gas port up a wee bit more and then leave it be for a bit and see how it does.
Big thanks to those who gave me their wisdom on this journey, especially Tim for putting up with my stupid IMs through out the duration of this thread. Thanks a lot to all of you. |
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Posted: 5/8/2017 11:22:08 AM EDT
[#30]
Quote HistoryQuoted:
Waiting.
What's a build put you back? I may be able to buy a 249 in a couple years but this might be ok till then. Wish I picked up an rpk from PSA for $400 
If I wouldn't of fucked it up heres what a rough price would be 700 for kit 400 for receiver 200 for barrel(chrome lined )
400 for conversion. There was a few miscellaneous charges for go/no go gauges, drill bits, and the such but honestly this build didn't require too much that I didn't have laying around. A smaller manual press would have been beneficial for the pins and such. The best find in the shop to get this together was a piece of angle iron which helped tremendously in getting the accessories into place on the new barrel. You guys do not want to know how I turned down the barrel without a lathe either 
Lots of lessons learned. I almost feel I should build another one as I know it would go together a bit cleaner. But I doubt Ill do that. Im really happy with how it turned out. A few of the pin holes are a wee bit off center, but other than that it looks pretty good. Once I finish the tuning it should be a fun gun. |
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Posted: 5/8/2017 12:44:45 PM EDT
[#31]
Quote HistoryQuoted:
Im not much off from the price of buying one complete due to fucking up a receiver and a barrel
If I wouldn't of fucked it up heres what a rough price would be 700 for kit 400 for receiver 200 for barrel(chrome lined )
400 for conversion. There was a few miscellaneous charges for go/no go gauges, drill bits, and the such but honestly this build didn't require too much that I didn't have laying around. A smaller manual press would have been beneficial for the pins and such. The best find in the shop to get this together was a piece of angle iron which helped tremendously in getting the accessories into place on the new barrel. You guys do not want to know how I turned down the barrel without a lathe either
Lots of lessons learned. I almost feel I should build another one as I know it would go together a bit cleaner. But I doubt Ill do that. Im really happy with how it turned out. A few of the pin holes are a wee bit off center, but other than that it looks pretty good. Once I finish the tuning it should be a fun gun. 
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Posted: 5/8/2017 12:48:09 PM EDT
[#32]
That's not really that bad of total cost. I'd probably try to do all the machine work myself and screw up a couple of everything, including the parts kit
Hell I would almost pay that for a non-functional wall hangar.
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Posted: 5/8/2017 1:05:30 PM EDT
[#33]
Quote HistoryQuoted:
You can build mine
I bought a number 15 and a 3/16( I was wrong earlier, I used a 11/64 drill last for the port size increase) Ill try with the 15 and go from there with it. Its real close to being right |
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Posted: 5/8/2017 2:10:12 PM EDT
[#34]
Dude thats badass. I want one.
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Posted: 5/8/2017 7:40:03 PM EDT
[#35]
Rpd is now 100%
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Posted: 5/8/2017 8:14:00 PM EDT
[#36]
Quote HistoryQuoted:
Rpd is now 100% |
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Posted: 5/8/2017 8:45:44 PM EDT
[#37]
Man, I never knew the drums on an RPD moved that much. Then again, I guess it doesn't matter since it's a beltfed.
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Posted: 5/8/2017 8:51:02 PM EDT
[#38]
Quote HistoryQuoted:
Rpd is now 100% |
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Posted: 5/8/2017 9:38:32 PM EDT
[#39]
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Posted: 5/8/2017 9:40:14 PM EDT
[#40]
Quote HistoryQuoted:
Man, I never knew the drums on an RPD moved that much. Then again, I guess it doesn't matter since it's a beltfed.
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Posted: 5/8/2017 9:55:11 PM EDT
[#41]
Nice job dude, looks awesome
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Posted: 5/8/2017 10:00:22 PM EDT
[#42]
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Posted: 5/8/2017 10:03:40 PM EDT
[#43]
Quote HistoryYou're not much of a singer though
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Posted: 5/8/2017 10:11:05 PM EDT
[#44]
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Posted: 5/8/2017 10:13:46 PM EDT
[#45]
Quote HistoryQuoted:
Well done Chase, loved your lathe
I had to take off about 8 thousandth from the entire length of that stub. It took for ever |
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Posted: 5/9/2017 12:38:48 AM EDT
[#46]
Quote HistoryQuoted:
What mill work is required if you are buying a receiver? I wonder if this is CA legal since it feeds from a belt?
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Posted: 5/9/2017 8:46:34 AM EDT
[#47]
Well I guess this concludes this build unless something comes up.
I figure a belt without a hitch means shes in good shape though. Thanks again to everyone. 
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Posted: 5/9/2017 10:16:48 AM EDT
[#48]
Quote HistoryQuoted:
Well I guess this concludes this build unless something comes up. I figure a belt without a hitch means shes in good shape though. Thanks again to everyone. http://i.imgur.com/crSM6E0h.jpg Seriously though well done, the rpd is a very cool gun and congrats on building one! |
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Posted: 5/9/2017 11:02:06 AM EDT
[#49]
I do have one question for you guys that own a RPD
On the short versions like mine do you chop the bipod legs? I assume the full size version had some sort of provision to store the bipod legs, but now with the barrel shorter I assume that cannot work. So do you cut them to rig them up or just leave them be? |
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Posted: 5/9/2017 12:26:34 PM EDT
[#50]
Quote HistoryQuoted:
I do have one question for you guys that own a RPD On the short versions like mine do you chop the bipod legs? I assume the full size version had some sort of provision to store the bipod legs, but now with the barrel shorter I assume that cannot work. So do you cut them to rig them up or just leave them be? I think (been a few years) i reversed one so it folded to the front, other just didn't fold up. |
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