Drake L-4B Blower Wheel

Discussion in 'Amateur Radio Amplifiers' started by WB9ENB, Mar 20, 2017.

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  1. WB9ENB

    WB9ENB Ham Member QRZ Page

    If your reading this you are most likely aware that the blower wheel is made of plastic and warps. Finding an
    exact replacement is almost impossible.

    However, I did find a source for blower wheels that have the same Torrington part number. It is the same blower wheel but the hub is 5 mm instead of the 1/4" bore. The hub also has the same outside dimensions as the original. These can have the hub enlarged and then they are exact replacements.

    Here is where I purchased:

    Electric Trading Company (located in NY)

    Single Inlet Blower Wheel 2-3/4" D 1-1/4" W 5mm Bore SKU: 02240108-5mm-P-CCW-01
  2. W9GB

    W9GB Ham Member QRZ Page

    For Metric Challenged, Conversion. 1/4 inch = 6.35 mm

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