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CYMA RPK
| Felix |
Posted: November 17, 2009 05:50 pm
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 Group: Member from France Posts: 171 Joined: November 10, 2007  |
Yes single piece outer barrel .i am changing the 430-450 FPS spring for a lower 350 FPS one. I have sold my INO RPK 47 2 or 3 years ago and do not regret it .
Still strange so far not to see any review on this CYMA RPK |
  
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| alakdan.net [aka 9th] |
Posted: November 17, 2009 07:07 pm
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 Group: Moderator Posts: 2837 Joined: May 06, 2007 |
Big thanks!
Waiting for your review
 
"The eM-poR is a cheap prostitute. She needs to be dressed with flashy accessories to be attractive. The kalashnikov is beautiful in herself. She does not need stilettos and lipstick. You may want to have a one night stand with a Stoner Rifle, but you marry the Kalashnikov.™" |
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| Felix |
Posted: November 17, 2009 10:26 pm
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Group: Member from France Posts: 171 Joined: November 10, 2007 |
well , i am not going to make another review in english
Nothing else to say except it is a good replica , sturdy , nice ,well made and affordable Element M105 Spring inserted ;The grease inside not well spotted . so i changed it into RPK 47  |
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| alakdan.net [aka 9th] |
Posted: November 18, 2009 12:53 am
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Group: Moderator Posts: 2837 Joined: May 06, 2007 |
If you have time,
Can you measure the velocity, single fire and burst fire. Let's see if the setup(cylinder size + barrel length) caused a vacuum effect.
"The eM-poR is a cheap prostitute. She needs to be dressed with flashy accessories to be attractive. The kalashnikov is beautiful in herself. She does not need stilettos and lipstick. You may want to have a one night stand with a Stoner Rifle, but you marry the Kalashnikov.™" |
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| Felix |
Posted: November 18, 2009 03:37 am
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Group: Member from France Posts: 171 Joined: November 10, 2007 |
the shop made about ten shoots ( auto ? single ?) that were measured between 420-430 FPS if i remember well , bure sure > 400 FPS with O.20 g
When drum mag added it is heavy to hold |
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| alakdan.net [aka 9th] |
Posted: November 18, 2009 09:44 am
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Group: Moderator Posts: 2837 Joined: May 06, 2007 |
Nice fps komrad,
OT: Chrono reading of my rpk(not the cyma) is erratic, 430~450fps at full auto and 470fps(stable) at single. All using .2g bbs. My Setup: Guarder SP120 spring/Madbull Tight Barrel. The caused of lower and unstable fps at full auto is the vacuum effect. A mismatch volume between the cylinder and inner barrel.
"The eM-poR is a cheap prostitute. She needs to be dressed with flashy accessories to be attractive. The kalashnikov is beautiful in herself. She does not need stilettos and lipstick. You may want to have a one night stand with a Stoner Rifle, but you marry the Kalashnikov.™" |
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