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 ...06 FLIGHT International, 10 February (979
GOSSAMER ALBATROSS
MacCready set for Channel flight
Paul MacCready stole a march on the man-powered aircraft world with his Kremer Prize-winning effort in
1977, and could be set to do the same again. MIKE HIRST looks at the few available facts on the ...
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 ... Above Paul MacCready (left) and several members of his team are
dwarfed by their pterodactyl-like aircraft. Standing next to MacCready
is record-breaking pilot Bryan Allen, with Tyler MacCready in the
ce...
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 ...OWEN and ALAN YATES
THE second week's flying in the world gliding champion-ships at St. Yan produced no serious challenge to thefirst-week leaders in either of the two categories. The
quiet American, Paul MacCready, continued with his own
consistent blend of science and accurate flying to push firmly
ahead at the top of the single-seater list, ignoring the fact
(which, it seemed to others, ought t...
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 ...d aircraft to cross the English Channel on June 12,
when pilot Bryan Allen pedalled for
2hr 49min in a successful bid for the
£100,000 Kremer prize. The aircraft
was built by a team headed by Dr
Paul MacCready and is a development
of Gossamer Condor, which won them
the prize for the first flight around a
specified figure-of-eight course in
August 1977.
Allen's first take-off, from the Wa...
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 ...he Kremer
prize, but approval seems almost cer
tain within the next few weeks.
The aircraft, called Gossamer Con
dor, was flown by Bryan Allen at
Shatter, California, and watched by
designer Dr Paul MacCready and Mr
William Richardson, an official of the
Kern County aviation department who
has filed a report with the RAeS in
London.
Kremer's generous prize has
spurred many eftofts at m...
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 ...orse weather
to come, MacCready decided to at
tempt the long-distance flight as soon
as possible. After one day's testing,
the Solar Challenger was prepared
for flight on Wednesday. December 3.
Paul MacCready, World Sailplane
Champion in 1956, realised that if the
sun could not be relied upon through
out the long distance attempt, then
thermal currents could play a major
role in sustain...
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 ...worthy of much time and effort. Many
designs appeared, involving thousands
of manhours and comparable amounts,
of money. But nothing performed well'
enough to even attempt the Kremer
prize until Paul MacCready appeared
on the scene.
Serious attempts at manpowered
flight started in the 1920s. The Ger
man designer Lippisch flew a flapping
wing aircraft in 1929. It was similar
to a convent...
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 ...ersson of Sweden gallantly landed
his Weihe in the nearest safe held, two miles away, and went to
Ivans' aid.
Those who managed to climb up through one of the holes in
the cloud found good wave-lift. Paul MacCready reached 14,000ft
and estimated the wind-speed as 55 m.p.h. at 6,000ft, although it
was much weaker higher up. The wave lift was as strong as
l,400ft/min in places. Geoffrey Stephenson a...
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 ...FLIGHT International, 16 August 1980 579
Solar-powered MacCready craft flies
A SOLAR-POWERED aircraft, using
"instant" electricity without batteries,
flew for two miles at Edwards Air
Force base ...
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 ... FLIGHT International, 26 May 1979
Man-powered challengers are confident
DR PAUL MacCREADY, designer of
the Gossamer Albatross man-powered
aircraft, pilot Bryan Allen and a
faithful band of about eight sup
porters are totally confident in their
ability to fly the English...
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 ... which means that
there will be lots of small boats and
crowded beaches. A dawn or dusk
start for the two-hour flight will
probably help in this respect.
Hot favourite for the £100,000 prize
is Paul MacCready's Gossamer
Albatross, described with a cutaway
drawing in Flight last week. Mac
Cready talked mainly about stability
and control in his prize-winning
Gossamer Condor, to which the ...
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 ...LIGHT International, 17 December 1977
Letters
Missed man-power opportunity
SIR—No-one who has made even ten
tative efforts toward a solution of the
man-powered flight problem will be
grudge Paul MacCready his prize. But
in view of the time taken to achieve
the object and the fact that the prize
has not been won by someone in
Britain, I wonder how many feel as
I do that the RAeS man-...
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 ...ne 13, when he took 2hr 49min to
pedal his aircraft from the Warren, near Folkestone, to
Cap Griz Nez, near Wissant in France (Flight, June 23).
For the Gossamer Albatross team—led by designer Dr
Paul MacCready—-the Channel crossing was the culmina
tion of many months of teamwork, as well as a share in
the £100,000 Kremer prize.
The Gossamer Albatross story really began about three
years a...
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 ... bat
teries charged before take-off by solar
cell arrays mounted on the wings.
But during flight the cells contributed
only a small percentage of the elec
tric power required to sustain flight.
Paul MacCready's aim was to fly
exclusively on solar power without
the need for storage batteries. Cur
rently he is better known for his
highly successful manpowered air
craft, the Gossamer Condo...
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 ...e performance consolidated the British lead inthe two-seater class.
Not one of the single-seaters did as well as Goodhart andFoster's two-seater. Kumpost of Czechoslovakia in his Demant
sailplane and Paul MacCready in his borrowed Breguet 901 werethe most successful single-seaters. MacCready obtained nearly
full marks and made his lead almost impregnable. The stormsdid not bring much rain to St. Y...
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 ...ass. Another well-known British glider-pilot,
Cdr. "Nick" Goodhart, R.N., who is now based at Washington, D.C., is putting his U.K. knowledge at the disposal of the
American team by crewing for Dr. Paul MacCready.
Our opening report of the championships in last week's issu...
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 ...72 FLIGHT International, 31 March 1979
••'''•"
Would-be cross-Channel pilot Bryan Allen test-flies the Gossamer Albatross from Reeves Field, Terminal Island, California. Designer Paul MacCready
hopes for a Channel attempt this summer, and is constructing two more back-up aircraft (see Flight for January 13)
British team prepares for
world piloting championship
THE Prince o...
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 ...features that are likely to become commonplace
on future man-powered flying machines. It is worth looking
at what some other man-powered aircraft designers con
ceived before seeing how designer Dr Paul MacCready
overcame the most daunting problems with an aircraft
that, in its own way, is revolutionary.
Man-powered flight was first tackled in the 1930s by the
tow-launched Haessler-Villinger...
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 ...flew 97 miles in his Weihe to March,
Cambridge. Gerard Pierre, the young Frenchman who came
second to Wills in 1952, achieved 93 miles to a point near King's
Lynn in his Breguet 901; and America's Paul MacCready in the
1-23E came third with an 84-mile flieht, landing 15 miles S.S.E.
of Spalding. Wietuchter, Wills and Relander scored equal points
for Germany, Great Britain and Finland, each w...
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 ...ena and presenting observations by the usual tools of synopticcharts and soundings. The contributions of the glider pilots—
often the only direct experimental evidence available—were invalu-able. Dr. Paul MacCready, who became World Gliding Champion
during the week and is a professional meteorologist as well as apilot, presented a paper on "Research on the transport of freezing
nuclei and on atmos...
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