Search found 4 matches

by FerdBlu
Sat Apr 17, 2021 8:08 am
Forum: BB, Airsoft, and Pellet Guns
Topic: Energy Efficiency Formula
Replies: 0
Views: 273

Energy Efficiency Formula

Hi guys, i was wondering if there was a formula for the parameters(Barrellength and Projectileweight) for the most efficiency, not the most power. For the barrel length i figured the most effective would be that the barrel has the same volume as the volume of the released air (Volume of the Plenum)....
by FerdBlu
Mon Mar 01, 2021 3:34 pm
Forum: BB, Airsoft, and Pellet Guns
Topic: Airsoft bbs rolling out
Replies: 3
Views: 1187

Re: Airsoft bbs rolling out

What i usually do is to drill a small deepening (about 2mm deep with a 5mm drill bit), the BBs get pushed in the Barrel and in the indentation so they cant roll out.
by FerdBlu
Mon Mar 01, 2021 3:24 pm
Forum: BB, Airsoft, and Pellet Guns
Topic: Selfcontained Semi-Auto Airsoft Pistol
Replies: 2
Views: 323

Re: Selfcontained Semi-Auto Airsoft Pistol

Ah, you made it :) Welcome to the forum! A lot more sophisticated design than I was expecting. I really like the double action trigger, very clever! I suppose the biggest disadvantage though is that it is not easily adjustable, so for example you could be dumping a lot more air per shot than is nec...
by FerdBlu
Sun Feb 28, 2021 3:03 pm
Forum: BB, Airsoft, and Pellet Guns
Topic: Selfcontained Semi-Auto Airsoft Pistol
Replies: 2
Views: 323

Selfcontained Semi-Auto Airsoft Pistol

Hello guys, this is my first post and please excuse my english :) This is one of many attempts at building a selfcontained semi-automatic pistol with an autonomy of at least 20 shots. This pistol uses a double action trigger, when you pull the trigger it pushes the hammer back until it hits a "ramp/...