Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations TugboatEng on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  • Users: fsmyth
  • Content: Threads
  • Order by date
  1. fsmyth

    steam cleaners

    I apologize if this is the wrong forum, but I did not see anything else close. I would like to resurrect an old steam cleaner that someone has removed the pump feeding the coils, and have no idea what to use. Near as I can tell from browsing, the pump needs to be ~200 PSI * 3-4 GPM. Is this...
  2. fsmyth

    12v to 24v converter

    Anyone have a good print for a 24-28v boost converter? Application will be for a vehicular auxiliary 24v system - probably 200 AH or so. Need ~10-15A max. current for charging. I'm thinking something similar to: http://hmin.tripod.com/als/andysm/pages/sw-regs7.html#UPC71 with a bit more smoke...
  3. fsmyth

    Induction motor as transformer

    I almost posted this to the "induction motor/generator" thread, but will start another topic. On another forum, someone raised the question of driving a 3-phase motor with a VFD, and using the second winding set to generate isolated 3-phase power. I posted the following as a reply and would...
  4. fsmyth

    P&H crane motor - extra leads

    Just got a replacement bridge motor - HEWH286, 15 H.P., 1140 RPM, 460v, mfg. no. 286M1076 (3-phase/wound rotor) for a P&H 35 ton crane. This motor has 4 extra, unmarked leads, approx. AWG18. Can anyone identify them? Wouldn't be a problem, but the motor started heating immediately upon start...
  5. fsmyth

    VME replacement board

    Haven't had much luck on other forums, so I will try here: I need to find a 6U 386 or 486 processor board for a VMEbus, preferably with the associated hard/floppy drive board to plug into it. The original vendor was "Logical Design Group", the board type is "XP-Platform", the BIOS is Quadtel...
  6. fsmyth

    Need VMEbus board replacement

    At the risk of incurring major wrath from certain parties :), I'm gonna cross-post this. I really need some help :( I need to find a 6U 386 or 486 processor board for a VMEbus, preferably with the associated hard/floppy drive board to plug into it. The original vendor was "Logical Design...
  7. fsmyth

    Salaries for maintenance techs

    I have just been offered a job at a plant that makes thick-wall pipe. Involves large DC motors and drives, large induction heaters, 3kv overheads w/ mostly 480v distribution, and all the associated cranes, hoists, conveyers, lighting, etc. Looks interesting, but it has been many years since I...
  8. fsmyth

    Help identifying IC

    Can anyone identify this IC? Preferably with a datasheet? Numbering: MEM551C Form factor: TO-5? w/8 leads Pins 8,6,4, and 2 are common Pins 1 and 7 appear to be inputs. Pin 5 looks like the output. TIA. <als>
  9. fsmyth

    wound rotors

    I have the option to get another 20 HP Baldor - and I really do want to learn more about these motor types. Quoting a previous post: " Just got a 20hp Baldor - 286TZ frame, 1425/1675 rpm, spec: 10P46W694, stk no.: 39H314BAH, 208/240/60 and 220/380/50. Talked to manufacturer - seems that...

Part and Inventory Search

Back
Top