Quicksilver ultralight aircraft had their genesis in the early 1970s when Dick Eipper founded Eipper Performance in Southern California as a hang glider manufacturer. One model they made was a rigid wing design with a conventional tail that had been developed by Bob Lovejoy that became the Quicksilver C powered hang glider. I was told by Pete James that there was a Quicksilver hang glider (not powered) in the first New Zealand Hang Gliding competition in 1975 at Bayleys Beach, out on the coast from Dargaville.
The Quicksilver C was developed into the Quicksilver E which had a tricycle undercarriage with a fixed nosewheel and was a weight shift ultralight. We have had one Quicksilver E registered in New Zealand as well as several others, also weight shift, that were registered as Quicksilver M models (and I don't know the difference).
As ultralights were rapidly developing in the US, demand grew for more conventional machines that were not weight shift, and the single seat Quicksilver MX was born. The first MX's had 2 axis controls with a side stick that you pushed left and right to control the rudder and that you moved forwards and back to control the elevator, and turning the rudder tipped the aircraft due to its relatively large dihedral. Later spoilerons were added to the top of the wings to give better and more balanced turns. The original MXs had single surface wings and were named MX Sprints and later a double surface wing model was named the MX Sport and this gave better performance and a sportier feel. Then somewhere along the way the controls were changed to 3 axis with rudder pedals and a conventional control stick. All of the MXs were cable braced. Later on various 2 seat versions of the Quicksilver appeared and remarkably Quicksilvers are still being manufactured in the US today, some even with strut braced wings.
The specifications for the Quicksilver MX Sport are: length 18 feet 1 inch (5.51 metres), wingspan 28 feet (8.53 metres), wing area 156 square feet, empty weight 250 pounds (113 kg), MAUW 525 pounds (238 Kg). With a 40 HP Rotax 440 the cruise speed was 50 mph (43 knots) and the stall speed was 24 mph (21 knots).
We have had 112 Quicksilvers of various models registered in New Zealand.
The first Quicksilver to be registered here was Marty Waller's MX model ZK-MRW which was registered to Pacific Kites (1981) Ltd of Auckland on 22/1/82. Pacific Kites was formed by Marty Waller and fellow American Tommy Namais and ownership of ZK-MRW passed to Tommy Namais of Muriwai Beach on 11/5/83. Tommy Namais later went to India where I understand he died in suspicious circumstances. ZK-MRW then went to Dennis J Smith of Whangarei on 2/7/90 then to Andrew G Carter of Murupara on 5/7/93 and finally to Russell K Brodie of Rangitata Island on 10/8/08. It was cancelled as withdrawn on 15/11/10 and is stored at Rangitata Island as part of Russell Brodie's early microlight collection.


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