The Mark Twain Bombsight
Posted 23 January 2006 - 09:23 PM
Posted 24 January 2006 - 02:37 AM
Posted 24 January 2006 - 03:54 AM
Posted 11 February 2006 - 04:00 AM
Posted 11 February 2006 - 04:21 PM
Posted 12 February 2006 - 07:35 PM
Developed by C.R. Greening, one of the Doolittle Raiders and a remarkable man, the mechanism was cobbled together at Elgin AAFB from scrap aluminum. The Norden unit was ineffective at low altitude and too heavy for the long distance Tokyo mission and as it turned out, the simple device worked quite well at the low altitudes the Raiders would be flying.
The prevailing theories on the "Mark Twain" name are; 1) The Greening family was related to the Clemmons family, so he chose the pen name of his famous relative. 2) In the early days of river piloting, depth was measured by a weighted line with knots at specified intervals. When the the water reached the second knot, the leadsman's call was, "Mark Twain"! The Raider's felt that they would be flying and using the bombsight at about the same height off the ground, hence "Mark Twain"! You get to decide which reason is better!
On a different note, Elmira New York was where the Norden Bombsights were built for a while.
Posted 12 February 2006 - 11:28 PM
Thanks for your help, Fury. It is much appreciated. graemlins/salute.gif
Posted 31 August 2010 - 05:42 PM
Here is more info: Jimmy Doolittle: Commander of the Doolittle Raid During World War II » HistoryNet
Posted 31 August 2010 - 06:00 PM
Get your facts first, and then you can distort them as much as you please.
Posted 31 August 2010 - 06:54 PM
It is suggested that during this period in time, since he was paid on "spec" as a free-lance writer, he would , when he drank at the local watering hole call out for two more drinks to be put on his "tab", i.e. mark twain.
Thought that was a cute story as well.
Posted 04 April 2016 - 03:13 PM
Need dimensions of the mark twain bomb sight for museum display and demonstration. Also need information on how to make it work for demonstration.
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