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New project needs a few threads this size. They are available from Gotschalks but the price is very steep. Does anyone know of a cheaper alternative, UK?, If anyone has some used ones to sell I would be interested. TIA

I have been using a telescoping bore gauge for a while but don't trust my ability for accurate repeat measurements. I am looking for a bore gauge in the range of 0.7" to 1.375". Quite a few options on Amazon etc. for around $100. Not willing to pay for premium quality, $300 versions. Can...

I just finished my version of the Hoglet. Randall was a good friend of mine so this is sort of a tribute to him. It is modified from his original design but I like to think he would smile. Here’s the YouTube link too:

Just noticed Vevor has 5" Kurt look alike vise for under $100,pp. I've bought stuff from them and it's all been OK. YRMV

Some of my IC engine models have onboard electric starters. I'm looking for color coded jacks or connections that can be attached to the model and then plugged into a corresponding jack carrying 12 volts from the battery. The amperage is pretty high'. Does anyone know of a source for jacks...

I'm building the Hoglet and want to try an O ring head gasket. The O rings I have are 1/16" by 1.25", Viton. The question is how deep should the groove in the head be, how much crush? The rings are about.070" in thickness. On scrap a groove of about .045 seems about right. Or would the best...

Does anyone know of a good way to remove the mill scale from hot roll sheet/stock.?? Tried a flap disc and it works but tends to remove good metal and the disc wears quickly. Thanks, John

Can some one post the date of the Black Hills show?? Assume Sept 23&24. Thanks, John

Considering building the Hoglet. Plans call for two brass flywheels 4' dia OD and .562' thick, ID just under 3". Anyone know of a less expensive alternative than McMaster Carr? Online metals pretty steep too. Perhaps someone has some material left over from their own build.

I have been looking for a simple answer of what length 2 gt belt I need. Is there a good calculator online?? I have a 20 and an 80 tooth pulley 7.062 inches apart. Pulleys are 2mm pitch, 6mm wide. Does anyone know the answer or a resource to find an answer?? Thanks!

I've built a few hit and miss engines and because the carb was pretty low compared to the fuel tank never needed or used a check valve. My current engine is a model of the Fairbanks Morse model N. The carb is in the head and is 3-4 inches vertically above the fuel tank. It needs a check...

I'm looking for a small, Hall effect tach with an onboard power source. See some on Amazon but most require an external power source. I cobbled one together with a 9 volt battery taped on the side and it worked ok. Today I fried it as it is now giving bogus high rpm readings. Apparently I...

Mostly finished engine. Castings from Rocky's Model Engines, very nice but not sure he is still in business. Made a few changes: Needle bearings on main and con rod. Balanced crank O ring on piston Magneto ignition Lukenheimer carb

Looking for sources of model pattern fasteners esp. #10 washers. Thanks

Sometime recently I saw an article on building a spring winder in a magazine or forum, or? I cannot remember where I saw it but now I'd like to build one, any ideas?? John

I am looking for a small, self contained digital tach, to mount on a hit and miss engine model. Hopefully triggered by a rotating magnet. Does anyone know of such a critter?? Thanks, John

Since rings are a hot topic, some may enjoy looking at ww.totalseal.com

Finally running after some effort

I'm looking at a new project and wondered if anyone here has built Bob Shore's Little Devil engine and can comment on how it runs and overall comments. Strangely I can't find any videos of the engine running. Thanks, John

I recently had a problem with a leaky valve guide/seat. I had problems previously so this time I threaded the head and guide and coated the threads with stud locker on assembly. Went too slow on the first attempt and it locked up before seating, had to make a new head. Much to my surprise one...