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Showing results 1 to 9 of 9 Search took 0.00 seconds. Search: Posts Made By: MadMax

Forum: Upgrades & Modifications November 21st, 2005, 12:37

Replies: 87 Sticky: Complicated thinking: Why match cylinder porting and barrel length? Views: 296,557 Posted By MadMax Using your calculated value of 26.45 m/s as your... Using your calculated value of 26.45 m/s as your Calculated True Value and 32.9 m/s as your Experimental Value; your Experimental Error is almost 25%. This is quite high for Experimental Error. ...

Forum: Upgrades & Modifications November 21st, 2005, 01:44

Replies: 87 Sticky: Complicated thinking: Why match cylinder porting and barrel length? Views: 296,557 Posted By MadMax Well, I modified a mechbox so I can measure the... Well, I modified a mechbox so I can measure the impact against the cylinder head with a peizo transducer. At 1psi, volume doesn't matter. You can only acheive a certain force (pressure x area)...

Forum: Upgrades & Modifications November 20th, 2005, 21:52

Replies: 87 Sticky: Complicated thinking: Why match cylinder porting and barrel length? Views: 296,557 Posted By MadMax Well, you're poking holes with no data or... Well, you're poking holes with no data or quantitative reasoning. The value is kind of limited. I'm not using any rocket science in my analysis. It's mostly highschool level physics f=ma stuff that...

Forum: Upgrades & Modifications November 20th, 2005, 19:51

Replies: 87 Sticky: Complicated thinking: Why match cylinder porting and barrel length? Views: 296,557 Posted By MadMax Your analogy between a hammer striking a floating... Your analogy between a hammer striking a floating object doesn't hold because the interaction time between the hammer and the object is so short (collision really). In the case of an AEG, the piston...

Forum: Upgrades & Modifications November 20th, 2005, 16:29

Replies: 87 Sticky: Complicated thinking: Why match cylinder porting and barrel length? Views: 296,557 Posted By MadMax Touche Midget. I hate it when ppl invent new... Touche Midget. I hate it when ppl invent new words without regard for perfectly good words. I guess you don't accept my comparison of the amount of time it would take to accelerate a bb to a...

Forum: Upgrades & Modifications November 19th, 2005, 13:12

Replies: 87 Sticky: Complicated thinking: Why match cylinder porting and barrel length? Views: 296,557 Posted By MadMax I would guess that a stiffer spring would change... I would guess that a stiffer spring would change ideal matched cylinder. My reasoning is that an upgrade which results in a higer final bb velocity with the same length barrel would have to apply...

Forum: Upgrades & Modifications November 19th, 2005, 02:43

Replies: 87 Sticky: Complicated thinking: Why match cylinder porting and barrel length? Views: 296,557 Posted By MadMax I'm not sure how effective the TM barrel plugs... I'm not sure how effective the TM barrel plugs are effective in reducing mechbox impact. There isn't much of a good seal between the inner and outer barrel so there might not be much of a cushioning...

Forum: Upgrades & Modifications November 19th, 2005, 02:19

Replies: 87 Sticky: Complicated thinking: Why match cylinder porting and barrel length? Views: 296,557 Posted By MadMax That could be one problem with M16 cylinders... That could be one problem with M16 cylinders pushing M4 barrels. I can't say without making measurements somehow. As it happens I'm working on a piston head of my own design. A prospective new...

Forum: Upgrades & Modifications November 19th, 2005, 00:39

Replies: 87 Sticky: Complicated thinking: Why match cylinder porting and barrel length? Views: 296,557 Posted By MadMax Complicated thinking: Why match cylinder porting and barrel length? I got a PM with a pretty good question that I've pondered for some time and come to some explaination for myself, but never shared. I may be right, I may be wrong. I don't have enough emperical...

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