Recent content by JetMech
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What ground elevation would be of equal pressure to jet in-flight?
Fly B, actually the air flow from the airconditioning packs is relatively constant. The pressurization is controlled by a computer using the "outflow valve." The outflow valve is the largest opening in the fuselage once the doors are closed. During regulation mode, it is barely open. It opens...- JetMech
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- Forum: Discuss Civilization
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Is this a possible renewable energy source?
Why not bring water under pressure up from the depths of the sea, and use it to power electrical generators on the surface? I once saw a video of one of the first experimental diving bells and it leaked at depth. When they brought it to the surface, they had a guy stand off to one side and while...- JetMech
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- Replies: 0
- Forum: Discuss Environment
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Electronics Kit Build Help?
I am going to do a DIY Electronics kit, the LKG Industries kit # 80-240 Logic Probe. Also the 80-230 Op-Amp Function Generator. I have a two year degree in electronics and have done some light electronics work on the job. But I've never soldered up an entire PC board from scratch. In class we...- JetMech
- Post #2
- Forum: Electronics, Computer Discussion & Help Desk
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Where is the tach filter located on a 1994 Pontiac Sunbird, with the 3.1V6 engine?
The tach needle jumps around and I've read that it is a cheap defective tach filter that the factory used. It is easy to build a new filter out of two resistors and a capacitor, but I can't find the old one to replace it. One source I was reading seems to indicate that the tach filter components... -
J
Where is the tach filter located on a 1994 Pontiac Sunbird, with the 3.1V6 engine?
The tach needle jumps around and I've read that it is a cheap defective tach filter that the factory used. It is easy to build a new filter out of two resistors and a capacitor, but I can't find the old one to replace it. One source I was reading seems to indicate that the tach filter components... -
J
Where is the tach filter located on a 1994 Pontiac Sunbird, with the 3.1V6 engine?
The tach needle jumps around and I've read that it is due to a cheap defective tach filter that the factory used. It is easy to build a new filter out of two resistors and a capacitor, but I can't find the old one to replace it. One source I was reading seems to indicate that the tach filter... -
J
Where is the tach filter located on a 1994 Pontiac Sunbird, with the 3.1V6 engine?
The tach needle jumps around and I've read that it is a cheap defective tach filter that the factory used. It is easy to build a new filter out of two resistors and a capacitor, but I can't find the old one to replace it. One source I was reading seems to indicate that the tach filter components...