05-22-2017, 10:33 AM
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Retired Missile Technician
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Join Date: Mar 2005
Location: Fort Worth, TX
Posts: 1,080
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I have used the CMR-type pop-off launch lugs for egglofters and scale models. My experience is that you should be able to give the model a gentle shake and not have the pop lug come off. I usually would tap the top of the lug firmly to ensure that it does release. Not hit it hard, but more than a touch.
One technique I used for certain egglofters and a BT-50 Sandhawk is to make the bottom attachment a centering ring that the motor fits into instead of using hooks. You may have to use more of a standoff from the launch lug to get the ring in the proper position. For the Sandhawk I used a long spruce strip as the backbone of the pop lug. Launch lugs at top and bottom. Wires at top engaged the Sandhawk's scale forward lug and a centering ring at the bottom engaged the motor.
Chas
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Charles Russell, MSgt,USAF (ret.)
NAR 9790, Lvl 1
SAM "Balls Three"
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