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Here is a video of the engine running. Go to you-tube and type in "Tom Jamboretz". There you will find it.

I have just finished making a Robinson hot aire engine from castings I bought from Polly Model Engineering in the UK. It was touch an go trying to get it running. Mostly from air leaks I could not find easily. It runs very nice now. Attached is a recent photo. The thermo siphon tank is 4" x 4"...

Where is a good place to buy BA taps in the US?

This stirling engine is a copy of one made by Rev. Stirling in the early 1800s. It is running on a propane burner. However any fuel would work. It is water cooled but will only run for 30 minutes. It is the engine he gave to the University of Edinburgh for teaching purposes.

Does anyone have any information on dimensions for ring groove depth and width while using an o-ring for a piston ring. I've done it before but it was a hit and miss operation. I thought I had seen a formula but cannot find it now. All help would be appreciated. TJ

I have a few model IC engines running on propane. Using a regulator on 1# bottle with a demand regulator. I also reduce the incoming air with a small orifice in a plate over carb intake.---- At present I'm trying to run a Farmboy engine doing the same thing without good results. The hole in...

I have just finished making a model Farmboy engine from Jerry Howell's plans. I have it running on propane and the ignition uses a micro switch from a DVD instead of points or Hall effect sensor. It is on battery and automotive coil. It is the type of coil from a car that uses one coil for each...

Gentlemen, Does anyone know of a casting kit being produced of a oil field engine, or a hot tube engine similar to a Bessmer or Reid. Would also like it to have a cross head. All suggestions would be appreciated. TJ

I decided to take a break from IC engine making and made a water-cooled hot air engine from Rudy Kahoupt's plans. I'm finished with the engine and it ticks along at about 400 RPM on the tach.. It took along time to get rid of all the friction. Lots of beer can shim stock was consumed. Here are a...

I've been building Rudy's water cooled stirling engine. Almost finished. I still need a burner which is not in the plans. Does anyone have experience with this build? I would appreciate any help you can;D give. Regards, TJ

A friend has purchased a set of castings for the Ervin hit and miss engine at a sale. However the plans were not there. Does anyone know where he could find the plans? Thanks, TJ

The Mo-Kan model club's annual show is at the Lathrop, Mo. show grounds this comming Friday and Saturday. April 26 & 27. Well worth the visit. Lathrop is 35 miles north of Kansas City, Missouri.

I have 4 model single cylinder engines using the hall effect and Tim-6 ignition system. One of the engines has burned out 8 sensors in the last 2 years. No problem with the others. I talked to Jerry Howell before he passed away and he gave a few suggestions but they did not help. He suggested...

Does anyone know anything about this Lister Jr. casting kit? goto---- www.theengineersimporium.co.uk Tom

In some of Jerry Howell's instructions for the Tim -hall effect ignition system he stated that a coil from an air-cooled engine such as a Briggs & Stratton could be used. He also stated that a resistor may be needed in the primary circuit. Does anyone know anything about how to determine the...