Search found 111 matches

by jmhdx
Wed Mar 17, 2004 10:03 pm
Forum: Valveless pulsejet forum
Topic: Fuel injection and sparkplug placement???
Replies: 44
Views: 20433

Relax

There's no photo, I haven't made one; there are plenty already; no findings, I am lazy, and busy, and my name is Mike Sargent. If I had to make one of every design or concept or modification I'd be 95 before I had photo's worth taking. Thanks to this site you can decide which technologies are worth ...
by jmhdx
Wed Mar 17, 2004 12:27 am
Forum: Valveless pulsejet forum
Topic: Fuel injection and sparkplug placement???
Replies: 44
Views: 20433

Origial Question

Hi all, couldn't resist contributing to this one. I'm astounded at the 'stick with holes in' solution to most lockwood engine fuel inection. I've seen it a dozen times. I'll stop ranting though and sudgest a ring of holes at a radius of half your drill chuck away from the inlet thing tube ' as close...
by jmhdx
Sun Mar 07, 2004 10:23 pm
Forum: Valved pulsejet forum
Topic: Any major flaws with this valve design?
Replies: 30
Views: 13772

Thankyou Bruno for extrapolating the details of pulse combustion and the flow of air through an engine, you are correct that some obstruction is inevitable, but I have included augmentation and the passage of much air through my latest design and some obstuction of some of the passing air is the bes...
by jmhdx
Sun Mar 07, 2004 9:42 pm
Forum: Valveless pulsejet forum
Topic: Newbie question
Replies: 3
Views: 3088

Fossil Fuels

Rescyou has more than answered the query regarding propane use, I would just like to add that I have subjected camping gas cylinders to an unbelievable variety of abuses and found them very robust despite the thin steel used. I tentatively recommend everybody expereriments comprehensively with presu...
by jmhdx
Sat Mar 06, 2004 10:56 pm
Forum: Valved pulsejet forum
Topic: Any major flaws with this valve design?
Replies: 30
Views: 13772

Tony's Valves.

Hi, glad to see plenty of folks still building the external combustion engine, but dissapointed too see so many valved models. Anything that obstructs the passage of air through the engine for even a percent of the cycle is defeating the object; to accelerate passing of same air; and is a fundementa...
by jmhdx
Sat Mar 06, 2004 10:40 pm
Forum: Valved pulsejet forum
Topic: Any major flaws with this valve design?
Replies: 30
Views: 13772

Tony's Valves.

Hi, glad to see plenty of folks still building the external combustion engine, but dissapointed too see so many valved models. Anything that obstructs the passage of air through the engine for even a percent of the cycle is defeating the object; to accelerate passing of same air; and is a fundementa...