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I mean spindle runout offset. Thank you guys for your effort to help me I am happy to be a member of such friendly and helpful group of people.

Hello Friends I have bought this miniature lathe on local fly market. I could not resist to buy this little beauty //I can cover it with man handkerchief//. I did some negligible de rustings and attached new motor with speed controller because original speed regulator is death. During...

Looks like CERN particle accelerator service room. Now I know how to spend my salary.

hello Micro-Eng I like new ideas - even I am looking for a new project/idea what would catch my heart BUT.... I think that your idea will not probably work because pressure in parallel chamber // after ignition //will be the same on right and left side of the rotor so rotor will not be able to...

Hello Micro-Eng Could you explain closer why you want to move air-mixture to a parallel chamber? Can you add a drawing of your idea?

simply Masterpiece and voice of engine is beautiful .

Beautiful engine Mirek . Congratulations.

Here is link to the producer of stirlings , flame eaters and steam engines from Germany. https://www.bengs-modellbau.de

Hello I have attached to the X table carbon fiber DRO rebuilt from cheap 200 mm vernier caliper . Unfortunately DRO has 0.1 mm accuracy but together with wheel dial I will try to learn more exact reading . Carbon fiber is easy to drill and mill.

Hello ZAPJACK Is possible to buy this kit ?

petertha - how long the typical bearings in RC motors can withstand axial load? I really do not know - time will show me. I drilled a watch dial for roughly 15 minutes and motor was warm only of course milling stress motor bearings much more. Wizard69 Excellent idea to have a movable...

I do not see any picture ????

Thank you friends. petertha I have this lay out. The blue is 3 phase 2100 rpm/200W inrunner motor , ball bearings , shaft DIA 3.17 mm. In black tube is accomodated 3 phase ESC 50A and servo tester to control ESC /home made with 555 timer/. I feed it with LiPol 3 cells battery pack. I am...

Hello Friends I would like to show you small mill-drill assembled from various parts. The column base I bought 10 years ago on fly market and till now was waiting for this project under my bench. Guy who sold it asked 200 EUR for column + digital DRO /lot of money here/ but I could not resist...

Hello Do you have machining log + pictures from your turbine project? I would like to see how is built homemade turbine.

BUCHANAN I am speechless again. How did you paint arabic numbers on dial ? Is it enamel ? How will you transport this mechanical computer to your customer? How many kilograms will be the weight of completed astro clock? Are fully running astro clock noisy? Sorry for my naive questions but...

Thank you guys Wizard 69 Genuine China motor is labelled as 800W DC Common 750W AC motors have quite big body for BF 20 mill. So I have decided to buy 450 W motor //especially built into small 350 W motor casing // I found that only Siemens offers this special type of motor. But price is...

Hello friends. Maybe somebody finds this thread interesting. So I have bought this mill brand new 2.5 years ago. Before 3 weeks during milling process I heard loud bang in the electronic box and my dear mill machine was death. I have found electronic board burned and interrupted DC motor...

Buchanan your clock looks like gearwheel heaven. All wheels connected and unisono working //communicating?// together. This masterpiece probably has its own consciousness.

Guys thank you for your kind words. the engineer - sending picture of not finished crankshaft and camshaft gears . /hope this helps/ Master con rod is in the bottom right corner. Thank you