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PM1340GT vs PM1440BV

Discussion in 'PRECISION-MATTHEWS' started by Kamloopsendo, Mar 24, 2017.

  1. Kamloopsendo

    Kamloopsendo Canada H-M Supporter - Premium Content H-M Supporter-Premium

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    In looking at your stand design David, why did you choose to support the lathe with that sheet of steel (broken to a channel) that ran the length of the lateh rather than support from either end of the lathe. The way I see appears to me is that sheet will block chips from falling freely thru the ways to the chip tray. Am I misreading something here? Your idea looks so good I was thinking of making my own stand as well after stewing about it for a while!
    Alex
     
  2. dpb

    dpb United States H-M Supporter - Premium Content H-M Supporter-Premium

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    I think you have me confused with someone else. I'm Doug, not David. I have a 1440gt, on the factory stand.
     
  3. wrmiller

    wrmiller Chief Tinkerer H-M Supporter-Premium

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    I don't recognize the acronym. I just saw that line somewhere, liked it, and paraphrased it a bit. :)

    Another from my engineer days is: 'You can't idiot proof anything, because they just keep building better idiots.' Had that one hanging in my office... ;)
     
  4. Kamloopsendo

    Kamloopsendo Canada H-M Supporter - Premium Content H-M Supporter-Premium

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    You are correct, right answer to the wrong guy, sorry about that!! I had intended the response to go to David Best
     
  5. Kamloopsendo

    Kamloopsendo Canada H-M Supporter - Premium Content H-M Supporter-Premium

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    Acronym is for Vintage Japanese Motorcycle Club, of which I'm a loyal member, I remember the line 'cause it is close to my train of thoughts!
     
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  6. wrmiller

    wrmiller Chief Tinkerer H-M Supporter-Premium

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    Interestingly, I went and visited a motorcycle store here in Sierra Vista, AZ a couple of weeks ago (we recently moved here) and found the owner is a lover of vintage Hondas and had quite a display of them upstairs! :) I saw my first motorcycle: A first generation Honda 750 (K1?). He also had a '79 CBX on display. My CBX was a '81 that had the European sport kit on it. Would love to find another (that I could afford).

    Which ones do you own?
     
  7. Kamloopsendo

    Kamloopsendo Canada H-M Supporter - Premium Content H-M Supporter-Premium

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    How much time do you have? I've 18 bikes in various states from Factory fresh (rebuilt - 3 of those) to nice running condition (two of those) to 13 that range from what don't look bad at all to pretty rough.
    I tend to like little stuff - I've an S65 Honda that is mint since I rebuilt it about 5 years ago, a YCS1 Yamaha (180cc) that is very nice, a GT500 Suzuki - a 500cc two stroke twin that is very nice as well. Also a nicely rebuilt BMW R100CS that is fitted out with an RT fairing for highway use. I've an unrestored but very nice 180cc Honda Twinstar that I bought for my wife to ride but she's nervous and it just sits and given the way she feels about it that's probably best anyways.
    I've two CB77 Honda's tying up my benches and shop in the process of being rebuilt.
    As wanna be rebuilts I've an H1 Kawasaki (500cc 2 stroke triple), a 400cc Kawi triple, a couple of Honda step thru's a C100 & C105, a Suzuki M15 all of which are pretty decent and complete but a bit rough, need motor work, paint, some chrome etc. There are others as well the best from my perspective being a Yamaha YR1 of which I have two of these one with a 3 digit serial number so one of the first ever produced. I've attached a pic of one of them.
    Alex
    DSCN2255.JPG
     
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  8. Kiwi Canuck

    Kiwi Canuck Canada H-M Supporter - Premium Content H-M Supporter-Premium

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    Hi Alex, I've read you posts regarding choosing between 1440 and 1340GT, I went with the 1340Gt and also a PM935 Mill, both 3 phase, probably for similar reasons you are considering the 1340GT rather than a Chinese machine.

    I can't be much help with the decision but I can tell you I flip flopped back and forth for a while until my son reminded me what I always told him, "always buy the best you can afford", an old cliche but never more appropriate with these types of purchases.

    I've had my machines for less than 24hrs and will not be using them for a while, but just turning the dials it's awesome, no detectable backlash and smooth as butter, I tried that on a few of the Chinese made lathes and now I definitely know why the Taiwanese machines are preferred.

    Looks like you have the bike collecting disease bad, you know there is help out there!

    BTW very nice job on the YR1 Yamaha.

    David
     
  9. Kamloopsendo

    Kamloopsendo Canada H-M Supporter - Premium Content H-M Supporter-Premium

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    David: I had followed your decision/thread on the 1340GT and Matt said to me that I can produce really good stuff on either lathe but the GT is MUCH nicer to work with so same train of thought. The bike in the Pic looks like a YR1 bur it's a YCS1 180cc (same year and basically a smaller clone). I have not restored the YR1 yet and have the YDS5, YR1 and YCS1 from that year - only twin I'm missing from '67 is the Twinjet but I'm not all that keen on one anyways!
     
  10. Kiwi Canuck

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    Alex, my bad on the Yamaha model, I guess the YR1 is a 350cc but being a Suzuki guy I didn't keep up with all the Yamaha models but did race an RD400 in 1977 until I switch over to Suzuki to race in Open Production.

    Good luck and I guess we will be on the same steep learning curve together here.

    Cheers,

    David.
     
  11. Kamloopsendo

    Kamloopsendo Canada H-M Supporter - Premium Content H-M Supporter-Premium

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    David: I do have a nice GT500 Suzuki (last of the 500 Titan line) and an unrestored M15 Suzuki which is pretty cute! Never raced and given my skill level with a bike that's probably a GOOD thing!
    Alex
     
  12. wrmiller

    wrmiller Chief Tinkerer H-M Supporter-Premium

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    Ha! Used to own a Kawasaki H1 and rode it to death going back and forth from the Marine base at 29 Palms to Parker, AZ on the Colorado river on weekends. It didn't handle curves very well, and it had a power curve like a light switch (not as bad as my H2 though...). That thing almost pitched me a couple of times. :eek:
     
  13. Kamloopsendo

    Kamloopsendo Canada H-M Supporter - Premium Content H-M Supporter-Premium

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    Well at 68 years old I don't think I'll be pushing it like I would have as a kid and by the time it's restored I'll be into my 70's so more something pretty to look at rather than rip up the street!
     
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  14. Kamloopsendo

    Kamloopsendo Canada H-M Supporter - Premium Content H-M Supporter-Premium

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    Been awhile since I've posted on this but have commited on the GT1340 from Matt and also the Hitachi VFD. Mark has me convinced from what I've seen of his stuff that it's straightforward to do what I need to do to hook it up.
    Now - to the next issue: I want to be ready to hook the lathe up as soon as possible when it arrives and to this end need to pull power to where I'm going to locate it and install a box for the VFD.
    What size of Box, ie how much heat does it blow off, do I need ventilation in the box, heat sink (ie aluminum box). I need some guidance here to be sure I purchase the correct stuff.
    And, Braking resister and the pot I need to vary the speed need to be purchased and ready to go. Any recommendations here?
    I'm slowly picking up cutting tooling watching E-Bay, Amazon, Travers ads etc trying to pick up decent american made holders largely based on excellent recommendations by MKSJ.
    Thanks again to everyone who's posted the help has been VERY valuable to me in my decision making process.
    Alex
     
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  15. wrmiller

    wrmiller Chief Tinkerer H-M Supporter-Premium

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    If you are already having conversations with Mark (mksj) you already have the ear of one of the best here. Just ask away. He will get you all sorted out. :)
     
  16. Kamloopsendo

    Kamloopsendo Canada H-M Supporter - Premium Content H-M Supporter-Premium

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    Thanks Bill, I kind of figured that out, the guy is sharp and has been very helpful in my making decisions.
    alex
     
  17. wrmiller

    wrmiller Chief Tinkerer H-M Supporter-Premium

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    Yup, he's one of the best. When I can afford it, I will approach him about getting a setup done for my 1340. I managed to get mine up and running, even though it was my first experience with lathe controls and VFDs, but it is a hack job. Mark will do it up right. :)
     

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