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  • RWO's Avatar
    12-10-2018, 02:01 PM
    I used to struggle with bearing mounting tolerances, especially with aluminum housings until I discovered Tolerance Rings many years ago. Problems...
    20 replies | 937 view(s)
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    12-07-2018, 01:53 PM
    Absolutely true. Variable speed on a belt grinder is a huge advantage that most people never realize. RWO
    21 replies | 1347 view(s)
  • RWO's Avatar
    11-28-2018, 03:40 PM
    RWO replied to a thread PH-BZ spring wire ? in General
    If you can determine what the original spring constant was, there is no reason a steel wire spring cannot do the same job. It can be the same...
    13 replies | 626 view(s)
  • RWO's Avatar
    11-27-2018, 02:20 PM
    RWO replied to a thread diamond blocks in General
    Apparently diamond edges cannot be the sharpest due to natural cleavage lines in the crystal. This page says obsidian blades ( amorphous...
    8 replies | 578 view(s)
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    11-10-2018, 03:03 PM
    RWO replied to a thread Aquestion on battery charging in General
    Get one of these and leave it connected to the battery permanently: RWO
    33 replies | 1537 view(s)
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    11-09-2018, 01:54 PM
    Paul Alciatore;1203296]I have a number of IRA and 401k accounts and, being retired, need to take money from them from time to time. Every time I do...
    73 replies | 3335 view(s)
  • RWO's Avatar
    11-04-2018, 02:23 PM
    Your belt might be vibrating like a guitar string between pulleys. If it is, you might be able to avoid the motor speed that excites that vibration...
    53 replies | 2753 view(s)
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    11-03-2018, 02:11 PM
    RWO replied to a thread Burnishing in General
    Burnishing ball bearing fits on electric motor shafts is common. Bores are sometimes burnished by forcing a hardened steel or carbide ball through....
    43 replies | 2260 view(s)
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    11-03-2018, 02:00 PM
    Phosphor bronze or beryllium copper make far better bearing materials than straight brass. Just turn some plugs to snug fit and Loctite in place....
    59 replies | 2794 view(s)
  • RWO's Avatar
    10-31-2018, 02:17 PM
    RWO replied to a thread stripping chrome from brass. in General
    Chrome plated brass faucets may or may not have a nickel undercoat. See this: For stripping the nickel you...
    26 replies | 1561 view(s)
  • RWO's Avatar
    10-20-2018, 01:44 PM
    Amazon has a bunch of different size height gauge scribers:...
    14 replies | 1981 view(s)
  • RWO's Avatar
    09-21-2018, 02:42 PM
    RWO replied to a thread Another Rust Removal Thread in General
    I use swimming pool pH reducer from the hardware store as a convenient source of acid for rust removal. It is sodium bisulphate in dry granular...
    17 replies | 1282 view(s)
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    09-21-2018, 02:01 PM
    RWO replied to a thread SmallParts is back - NOT in General
    When Small Parts first got started ( 70's) they had fairly reasonable prices. By the time Amazon bought them they had become very expensive and I...
    6 replies | 526 view(s)
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    09-19-2018, 01:55 PM
    RWO replied to a thread Did Some Hot Blue Today in General
    The home brew formula releases ammonia when the NaOH and ammonium nitrate is first mixed in the water. After a few seconds the reaction is complete...
    42 replies | 2664 view(s)
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    09-18-2018, 02:34 PM
    RWO replied to a thread Did Some Hot Blue Today in General
    Roy Dunlap published a home brew formula in his classic book, "Gunsmithing": 5 Lbs. NaOH + 2.5Lbs. 33% ammonium nitrate ( fertilizer) / 1 gallon...
    42 replies | 2664 view(s)
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    09-18-2018, 02:12 PM ...
    10 replies | 796 view(s)
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    09-14-2018, 07:52 PM
    RWO replied to a thread OT- Forced to use Ethanol? in General
    Ethanol replaced MTBE as a gasoline additive for octane improvement. MTBE was getting into the ground water at gasoline spills due to its easy...
    85 replies | 5472 view(s)
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