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From: Michael Christol <mchristo@mindspring.com> Date: Sun, 7 Sep 1997 15:38:34 -0400 (EDT) Fwd Date: Sun, 07 Sep 1997 15:59:49 -0400 Subject: Re: Aircraft/UFO Encounters Prior to 1942 >Date: Sun, 07 Sep 1997 15:48:42 +0100 >From: Don Ledger <dledger@istar.ca> >To: updates@globalserve.net >Subject: Re: UFO UpDate: Re: Aircraft/UFO Encounters Prior to 1942 >> I checked and found an article about lights being sighted >> outside of town at night. >Hello Mike, Jan and List >A thought here. I might be wrong about airships and dirigables but >during the years after 1903 and well afterwards, lights on airplanes was >a luxury in expense and weight that could not be afforded. I'm almost >certain that electric lights on airships of the periods mentioned from >1894 etc. up until the early 20s would have been forbidden due to the >danger of spark induced explosions. Generators were spark prone and >spark free switches were virtually unknown for battery operation. That >left gas operated lights and I'm sure they would have been even more of >a hazard on hydrogen filled airships. >Aircraft on the other hand did not begin to employ lights until the mid >twenties on commercial passenger carriers. Generators, voltage >regulators and batteries on smaller aircraft were a weight penalty >luxury not deemed necessary where engines were already overweight and >underpowered and adding a generator would load those same engines down >robbing badly needed horsepower. There were also carbide and oil lamps in use at that time. >Don Ledger REgards, Mike
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