Recent content by Ripcrow

Awesome turbine.

Piston ring seals are used in turbos on the turbine side at up to 150,000 revs if your seal design doesn't come up to your requirements.

I have scavenged a second hand turbo and built a jet engine. Very easy to get spooling and runs well but I keep getting flame escaping past the exhaust turbine and then get flame out. It's a waste gated turbo specked to open the waste gate at 8 psi which I can't spool it enough to get to happen...

My thoughts are on a model engine a separate pump and injector won't be successful or at least take a lot of work to get it right

Ill check them out thanks. Just found that I had to modify my flame tube done that now shaft and tube collide. At least I'm getting plenty of practice

Is your injector a unit injector or a pump separate to injector

The plates I was thinking of were black. I know when ordering we call them a Teflon skid plate. Might be a generic name.

Go to your local transport company. Teflon plates are used in place of grease on turntables. They may have a worn out peice.

Not quite. While the injector is still operating on pressure created by the cam driven pump the forth cam operates the opening. This way fuel is under pressure before the injector is allows to open instead of relying on a ball valve to hold pressure to a point before opening. This way fuel is...

Glad it's you joining them. Be very fiddly joining them up

Can I make stupid suggestion. Build your cam with four lobes. One for intake one exhaust one for driving injector and one that holds injector closed until firing. The lobe will work opposite to most cam lobes but ensures no leakage until up resource is right and allowed to open. Instead of a...

Trying to build a jet turbine. So far attempt one fired but failed to drive turbine. Attempting lighter weight turbine but just wondering what are the best angles for exhaust and compressor blades

Hi I'm from down the road. Don't machine much but love the work done by the talented people here

Following along. Can't wait to hear it run. The most famous engine in the world. To me anyway

Following along