Had my full size flash steam engine running yesterday on compressed air unfortunately have not got too much pressure and quantity for high rpm so just a pop, pop at low rpm.

Had to retard inlet poppet valve and use compression release valve to enable it to run with my limited compressor also added temporally extra mass to crankshaft for this test a lathe chuck.

Would run on about 90psi with this setup but need a lot more pressure to run on the proper valve settings..

Another test running on compressed air.

**LINK**

Afraid not I played about with them in my early days with the model but have high rpm to contend with.

Discussing this with my steam rocket drag motorcycle friend when his poppet valves went wrong against tons of water pressure.

We came up with a very simple nearly balanced poppet valves they would probably be ok at slow speed openings.

He decided on a butterfly type valve instead from America that their water, steam rocket people use successfully.

The successfully Canyon jump machine jets were similar to his rocket motorcycle power unit.

**LINK**

Edited By Windy on 08/01/2020 17:31:52

Had a few delays with health issues but still experimenting with full size flash steamer had a few problems with steam generator burners but sorted them.
Generator is 12 inches diameter and would not self ignite when hot the exhaust outlet was too large cooling it down.
Restricted exhaust outlet and seems fine am only using a small hand pump for initial tests the liquid on bottom burner is a drop of high temperature oil from a connection I lubricated.
New exhaust similar to my proven model design now being made.

This might get to to the video

Edited By Windy on 16/06/2022 18:49:26

Edited By Windy on 16/06/2022 18:55:57

Edited By JasonB on 16/06/2022 19:04:11

Edited By Windy on 16/06/2022 19:12:06

It's not for a boat but full size wheeled vehicle either two or three I have all the generator coils ready thanks to another ME and full size record breaker