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Thank you Webster epoxy has glassy surface //in my case slightly matt// so I will not spray it with clear coat. Btw avoid acetone based colors these colors bent PLA material.

Hallo friends Maybe somebody will find this post useful . For my motorcycle model I needed to do company logo attached to the both sides of the fuel tank. My requirements were to make emblems identical and easy to make. I got an idea how to do it with help of 3D printer. The first picture shows...

I have built Steve Peterson magnetic pendulum battery powered clock. Clock ran on first kick.

Beautiful clock . I wish to be able to build one but in my country brass for gears and other parts is terrible expensive. John is clock mechanism of you own design or is copied from an existing clock ?

Welcome John please send some pictures of your regulator clock.

Nice engine Olli. I am curious did you cast crankcase in sand or it is lost wax casting.

Ahoj Zdenek pekna praca .

I have built very simple sand blaster gun /top sand container/ but i use 0.2 mm glass powder instead of sand. Glass powder is perfect for aluminium it stays shiny after blasting. Plus is good to have 10bar compressor with big airtank /sand blasting needs lot of air.

hello I have built this little spring winder . To the hand crank is attached ratchet wheel which allows interrupt winding anytime/coffee sip/ plus chuck for keeping spring core. Head moves on linear bearings plus it has wire tensioner by which is possible to tune outer spring diameter .

Steamchick I have build a lot of motors with various number of coils and magnets so I have many drawings . Anyway if there are people interested in doing motor I would provide plans .

Hello I have not try it as generator because in the motor mode coils are wound up with thick wire and small numbers of wire windings around coil core. For generator is needed to rise number of wire turns to rise output voltage. Battery voltage is transformed to 3 phase with AC brushless speed...

+ video clip

for danallen

hello prototech I am building mini motorcycle powered by four cylinder inline 50 ccm engine . Something like vintage Henderson . But my intention is to run it only on the stand due to homemade engine.

Thank you guys I am happy you like my model. PROPCLOCK - I have found tires in the local bike shop probably from push bike. MIKE 4444 - good question I am looking for some vehicle to build but nothing catch my heart yet. I have dream to build half scale four cylinder vintage motorcycle...

Hello Friends I had built this twin engine 5 years ago and till January of this year engine was sitting on the shelf. In January I got idea to build motorcycle "around" this engine. Motorcycle lenght - 750 mm height - 320 mm Working front suspension , front wheel steering ...

truing Z axis help me a lot . But I think that tuning Z angle is quite delicate operation because Z angle setting is not solid enough on this mill. I have to check Z angle quite often. In spite of this I am happy with this mill.

I have the same bf 20 mill and had the same problem then I found Z axis was not perfectly perpendicular to the mill table.so different lenghts of chuck and ER arbor did this problem.

have you build all engines sitting on shelves? What baker man used this fan for? Nice hot air runner .

HATS OFF