www.pulse-jets.com

Hello Thanks for the tips,I have been trying to start it with fairly low fuel feed and air,I will try feeding it sum more tomorrow.Also looking at you intake picture your flare is double what mine is,I will definitly add some more to my flares as well. Thankyou Vermin and larry I will let you know h...

hello I have rebuilt fuel system, it is now centred and adjustable, tried temperary larger intake flares with some improvement instead of going from rumbling back to nothing, it takes a few seconds to stop rumbling, so i must be on the right sort of track. will try more permanent flares tomorrow. an...

Hello I have recently built a Lady jane Grey,What a job!,All hand formed 1mm mild steel and arc welded. I have stuck very close to the plans,but I'm having no luck starting it,Injectors are 6mm copper flared and pinched like in the 32inch twin stack forum and they are about 1.25" in the intakes,I ha...

Hello ok,is there any good 20lbish lockwood style engine plans out that I can get a hold of ? I don't really want to scale the original lockwood patent as I have tried in the past with not much luck. I would like to have a proven design to cut my teeth in on with these bent engines. Any help would b...

Hello

Does anyone know how to contact Eric Beck,I would like to build one of his TP 180 18 engines and need to get some plans.Any help would be great.

hello my intake is 35mm and my exhaust is 54mm.I tried putting a choke over the intake with slightly better results,when the engine is coughing and trying to run the front of the intake where it transistions to the cc gets hot.I'm goining to try a smaller intake diameter as this seems to be giving m...

Hello
Just a quick question what size tube are you using for your injector?

Hello I tried a 3 point injector with some improvements but will not sustain,placing the injector about 5" down the intake and dead center it will catch on give about 3-4 big pulses and then blows itself out.Looking down the intake there in a definite sweet spot where it will tranfer from a blue pul...

hello

I have built a simillar engine and have yet to get it to run,could you give me a description of your injector and your placement in the intake.
Thankyou.

Hello

I finally got it running,I ended up using 38mm for the exhaust same length as plans,and cut the intake flare off,starts really easy almost self starting,only needind a small blow at the intake to get it running.
Here is a short vid,sorry bout the quality

Hello Thanks for the help,I tried A straight pipe slightly longer than the plans and about 44mm with no luck,I was using a stinger type injector,the combustion won't move out of the intake pipe,I did get it run slighty with compressed air being feed in.I will try your suggestion and let you know how...

hello I have started to build the sp 14 from the plans page and have constructed evrything except the flared exhaust pipe.All of my cones are hand formed and stick welded,and building this exhaust would be a huge challenge,I was wondering if I can use a straight pipe instead of the flared exhaust ju...

Hello I did a scaled up drawing to an 8" cc,and now I have built it roughly following the dimensions,and I am having a little trouble getting it to throttle up.It starts easly lighting the injectors in the intakes which are about 1" into the intakes,the injectors are squished to about .5mm,but when ...

Hello I have built the 3lb thermojet from this site,and it is a great little engine. I quickly slapped one together from a bit of 3" water pipe and a couple of hand formed cones,stick welded it together,brazed up some 3mm copper turned the spark on hit the gas on and it roared to life,and I could th...

Hello I have built this engine using the gas cylinder and the measurements,the only difference is that the injector is 3/8 copper with 10 1mm holes in it,i have tried to run it on bbq gas with no luck,it just bangs and howls slightly with compressed air being feed into it, I have also tried fire bug...