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My grizzly 7055 has the power lift on top of the column connected to the shaft. It’s similar to your mill. An option would be a pneumatic impact wrench like the shop built ones for spindle nut takeoff) on top of the column. You could still use the crank then. It wouldn’t need the air piston to...

And a very Merry Christmas from the Heart O Texas! Snow? What yall talkin’ bout?

I have seen a post (don’t remember where) about using brass tube the size of the inside diameter of the the threads. Glue diamond grit on the bottom of the tube, chuck up in your mill/drill press and grind the tap out. Supposedly you grind the threads off the tap, that’s why a tube is used...

Does this help?

Boring head, collet chuck, rotary table, hold down clamps, edge finders......... a never ending list!

Forgot to include the link: http://www.enginebuildermag.com/2012/01/cylinder-bores-machining-to-sleeving/

From the Engine Builder: The walls of the cylinder have to be strong enough and rigid enough to withstand high combustion pressures and temperatures (600 to 1,000 psi and 3,500 degrees F for gasoline engines, and up to 2,500 psi and 4,500 degrees F for diesels!). The cylinder bore also has to...

This thread was started in 2008. Has a consensus been reached yet?

Damn, Norris, you win! Don’t think that can be topped!

Use a 7/64 bit for a 70% thread. Less chances of breaking a tap.

Dave, glad to see you're well along and doing a fantastic job! I've not started on mine and watching your build is very encouraging and makes me want to get back on it. Hopefully soon. Best wishes...... Hawk

I was searching for some replacement jaws for my fuerda Chuck and found this place: http://www.allindustrial.com The prices are reasonable, the top jaws for a 6" gator are ninty-eight dollars/set and they have a coupon code, subscribe10, for 10% off. There is a sales flyer with free...

Greg,did you sell your chuck? Hawk

Good suggestion Driller. He has a web site and an on line study course at http://www.mrpete222.com You can find a playlist there also of all his youtube tutorials. He has several and all are informative and worth watching. Hawk

Gunny, if you ever make it down to Waco, come on by and I'll show you my machines. Hawk

I have the Grizzly G0755 which is similar to the rf45. I bought my 3 axis dro from the dro store (in Hong Kong I believe) and am very happy with it. They include fast shipping and I had it in a few days. I installed the z axis on the front of the head and it measures the quill travel. That was...

I also have the casting kit and started then put on hold the build. I have a couple of other projects I'm trying to complete then I'll get back to the build. If anyone else is planning to build this engine we need to share any problems, fixes or ideas. Feel free to contact me. Jer Texas

Greetings all. I have ordered the casting kit from Herr Kornmueller and have been searching the web hoping to find someone that had completed this kit. I see your last post was over a year ago. Did you finish it?