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Posted by mcg | Mar 29, 2019 @ 11:27 AM | 1,284 Views
Name: Kerswap three qtr view.jpg
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This is one of many versions of Kerswap, a free flight model originally conceived by Gil Morris in 1941. The version in the screen grab here is a Texaco competition model for .049 engines published by Bob Isaacks in Model Builder in 1985. A similar model was published in Flying Models in 1994, again by Bob Isaacks. An Outerzone link is here:

https://outerzone.co.uk/plan_details.asp?ID=8971

There is also a .020 version. And a beautifully made electric version, here:

http://samchamps.org/3%20Day%20Kerswap.htm

The CAD model shown on this blog was rendered in Rhino3D.
Here is a stern view:
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Kerswap may be so enduringly popular because of its simplicity, relative to FF aircraft of the same era. Note the pylon, which became a typical FF feature in the very late 30s and early 1940s.
...Continue Reading
Posted by mcg | Dec 21, 2014 @ 07:49 PM | 7,770 Views
The following is an account of the 1922 Schneider Cup race translated into English from Italian sources. The race was held in the Bay of Naples. The primary source is a 1983 book by Igino Coggi on the MC-72 and the Schneider Cup. Supplementary sources include Aeroplani S.I.A.I. 1915-1935 by Giorgio Bignozzi and Roberto Gentilli. It is an
account of the S.I.A.I aircraft company in the interwar years, published in 1982. Michael



A Schneider under the slopes of Vesuvius

Italy won the Schneider Cup races in 1920 and 192I and was thus named as the organizer, under the rules, of the 1922 race. It was decided to hold the race in Naples. Italian fans hoped to see Italy retire, with a third victory -- and with the proved high speed performance of the Macchi flying boats -- the flashy trophy put into play nine years earlier by Jacques Schneider.



Instead, however, and for a second time, the trophy went to Britain, thanks to
Henry Biard and his little Supermarine flying boat.

The Italian Macchi racers were suddenly seen to be obsolete -- last year's winners.

"Actually the Naples race was a lesson for us," wrote in 1927 the Italian aeronautical journalist Jotti Da Badia Polesine, "We had (simply) continued in the footsteps traced in previous years, while the technicians in England, who understood the priorities and the true essence of the Schneider race, came down (to Naples) prepared to win."

A harsh judgment, and one...Continue Reading