0.0002 dynes/cm2)b

4-engine turbojet, 400' altitude, takeoff

117 dBC

115 PNdB

4-engine turbofan, 400' altitude, approach

105 dBC

122 PNdB

4-engine turbojet, 4000' laterally, takeoff

96 dBC

105 PNdB

4-engine turbofan, 4000' laterally, approach

70 dBC

79 PNdB

Engine run-up, small business jet (1000')

106 dBA

119 PNdB

Noise level inside airplane in flight, as high as

90 dBA

DIY Battery Repair

DIY Battery Repair

You can now recondition your old batteries at home and bring them back to 100 percent of their working condition. This guide will enable you to revive All NiCd batteries regardless of brand and battery volt. It will give you the required information on how to re-energize and revive your NiCd batteries through the RVD process, charging method and charging guidelines.

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