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    Big hole 180 lathe

    I have a new Weiss Machinery 180 lathe and have made a new,bigger and more rigid spindle. https://www.model-engineer.co.uk/forums/postings.asp?th=141922&p=1#PostTop I wonder if there would be need of a new Church to worship these chinese lathes? First mention of old american or UK iron will...
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    Lathe performance testing

    More than fifty years ago I had one third of a Myford Super 7. It is still in custody of a friend that is chairman in Society against cruelty to Myfords. I made him a pair of tangential carbide holders and he uses next to nothing else today. Many years later i got a Boxford and improved it...
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    Material Question

    Picture shows a tangential holder for carbide for Myfords and other small lathes. At least I still try. The M6 clamp screw clamps so that tool does not slip unless doing stupid deeds. On Myfords there are not heigth enough to use M8 But it gets worse every time because steel- steel is no...
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    Carbide tangentials for small lathes

    A friend of mine still feel happy with a Myford Super Seven we bougth together in 1964.The belt has been changed to Powertwist and motor is 3phase VFD. I made him a 3 mm round carbide tangential tool some times ago. https://www.youtube.com/watch?v=VZvs_4cADZ8 He uses it for most turning to day...
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    Parting off Boxford

    Have a Nokia Lumia 1020 phone and link to Youtube so here comes a parting off picture and a video: http://imgur.com/GsstOBa https://www.youtube.com/watch?v=Sdmqk5oJ7OE&feature=youtu.be
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    Full Circle

    Chuck Fellows started a thread on homemade tangentials http://www.homemodelenginemachinist.com/showthread.php?t=10702 with a round HSS toolbitt http://s192.photobucket.com/albums/z195/cffellows/8b077207.jpg In the mean time I have had fun making tangential holders http://imgur.com/U3sK5bE...
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    Finding Center heigth over compound

    A friend has asked for a tangential holder. My holders are one lathe holders and as he is new to his lathes here is how I measured mine. First picture is a piece of scrap alu and a CCMT holder ready for action. Smooth turned all over is next Third picture shows that two feeler blades and two...
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    Max CpS for pushrod OHV?

    Have bougth some moped cranks as I cannot make suitable cranks myself. http://www.ebay.de/itm/331421986002?_trksid=p2060778.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT Two goes into an opposed piston scheme and one will be modified for the scheme shown next.Desmodromics are nice but it is hard...
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    Future small aircraft engines.Wich way?

    The Pipistrel aircraft from Slovenia with a 80 hp Rotax 912 engine did very well in a CAFE test some Years ago. Propeller was 1.6 m diameter and turned 40 rev per second giving a tip speed of 200 m per second.This gives an acceptable flyover noise. American engines/props/aircrafts run 270 meter...
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    Have been asked how I made some boring heads shown on a photo in another thread. http://www.homemodelenginemachinist.com/f13/what-your-opinion-21970/#post234180 They are designed and made by the swiss firm Ifanger http://www.ifanger.com/fileadmin/Webmaster/katalog/pdf/01_2008_d.pdf and I...
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    Thread on Ball bearing

    I am trying to build the simplest possible two stroke crank and crankcase held togetherwith screws.quite conventional I would say.Picture Total It would be much nicer to use the 90mm outside of the roller bearing as locking device. Picture Skruet Off cource it can be ground somehow and...
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    carbide cutting hard things

    It is necessary to shorten a commercial crankpin (casehardened) for a pressed up crankshaft. Job has been postponed for far to long as I did not know how to do it. Tried yesterday with a homeground piece of carbide in a homemade holder. Less than 10 minutes and astonishing surface in hard layer...
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    VFD for Norway?

    Have a 1.5 kW Danfoss VLT 2800 in perfect order but useless in Denmark as it demands 3 time 220 volts and we have 3 times 380 as house power. Is there a new home in Norway where it can work and will bring happiness? Kind regards Niels Abildgaard
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    A Better LEGO GA8 Airvan Engine?

    LEGO has donated a GA8 aircraft to MAF who fly out to help people in trouble all over the world. I have bought a lot of LEGO toybricks for kids and grands so I am proud co -donor of this gift. The MAF ratio collected money/given help ,depends first and foremost on engine mass and fuel...