Large electrical transformers at 100 feet. Upper 70s are annoyingly loud to some people.Ĭonversation in restaurant, office, background music, Air conditioning unit at 100 feet.

Living room music (76 dB) radio or TV-audio, vacuum cleaner (70 dB).Īrbitrary base of comparison. Passenger car at 65 mph at 25 ft (77 dB) freeway at 50 ft from pavement edge 10 a.m. Food blender (88 dB) milling machine (85 dB) garbage disposal (80 dB).Ģ times as loud as 70 dB. Car wash at 20 ft (89 dB) propeller plane flyover at 1000 ft (88 dB) diesel truck 40 mph at 50 ft (84 dB) diesel train at 45 mph at 100 ft (83 dB). Garbage disposal, dishwasher, average factory, freight train (at 15 meters). Newspaper press (97 dB).Ĥ times as loud as 70 dB. Serious damage possible in 8 hr exposure.īoeing 737 or DC-9 aircraft at one nautical mile (6080 ft) before landing (97 dB) power mower (96 dB) motorcycle at 25 ft (90 dB). Boeing 707 or DC-8 aircraft at one nautical mile (6080 ft) before landing (106 dB) jet flyover at 1000 feet (103 dB) Bell J-2A helicopter at 100 ft (100 dB).Ĩ times as loud as 70 dB. Jet take-off (at 305 meters), use of outboard motor, power lawn mower, motorcycle, farm tractor, jackhammer, garbage truck. I know that there are far quicker ways, but this is most definitely the easiest. Now I was bored and decided to pick the cube up and put it back on the button. After I got the cube in Test Chamber 14, I put the cube on the button and the door opens.

Quote from MasterLagger on June 3, 2011, 5:02 pm.

Riveting machine (110 dB) live rock music (108 - 114 dB).Īverage human pain threshold. Portal 1 Test Chamber 14 I broke the button MasterLagger masterlagger. Simply use your green portal to get to the other zone, walk up to where the button. Click the red button and allow the box to get on the platform to where the button is. Turbo-fan aircraft at takeoff power at 200 ft (118 dB). When you first arrive in Chamber 12, make sure to place a portal directly under where the box drops, and another portal on the jump pad on the right of you. Military jet aircraft take-off from aircraft carrier with afterburner at 50 ft (130 dB). Recommended product: Outdoor Noise Barriers

Portal test chamber 14