Shanghai Jian & Mei Industry and Trade Co., Ltd. (Hereinafter referred to as JM for short) is well equipped with various multi-station cold heading machines and high-medium frequency heating machines imported from Taiwan. JM can manufacture all kinds of fasteners of various head types with the specifications from M6- M56，1/4-2”in diameter, 20-1500 (1”-60”) in length, from Class 4.8 to 12.9 and from A429 Grade 2-8. We are also capable of providing various surface surface treatment processes, including white zinc plating, blue zinc plating, yellow zinc plating, black zinc plating, blackening phosphorating, nickel plating, hot dip galvanization, DacroMat, Magni and so on. We can process carbon steel, stainless steel, aluminum and copper. According to the drawings or samples provided by customers, we will develop the optimal and cost-effective design and processing combination with cold heading, hot heading, stamping and turning so as to reduce customer’s procurement costs.
The production management of our company strictly complies with ISO9001:2008 system. All our products are subjected to strict test and inspection in each process by the workers periodically, starting from the raw materials delivered to the factory. They also receive various tests and inspections at the JM quality center before shipment. We have a variety of advanced quality testing equipment, such as tensile testing machine, hardness tester, metallographic microscope, salt spray tester and go-no go gauges etc. Each batch of exported products are identified with a unique batch number in the Finished product testing report and steel mill raw material quality inspection report.
The products passing the final inspection can be transferred for packaging. We will choose the most suitable packaging materials according to the product shape before shipment.
Choose JM is equal to choose reassurance . Welcome to cooperate with JM..
https://www.ultralightnews.com — The Maxair Hummer is a single seat, high wing, wire braced, taildragger. The single cylinder Zenoah 22hp with it’s belt reduction drive engine is mounted behind the wing on the upper root tube and is movable back and forth to provide the proper C of G for heavier pilots.
The Hummer uses bolt and rivet together aluminum construction with everything coming off it’s main boom tube. It has a spring type suspension system on the main wheels, and tail wheel. The double surfaced wings and tail section are covered in dacron sailcloth.
The Hummer is a two axis control aircraft using an V tail with ruddervators. All of the controls for elevator, and rudder are operated from the stick through a very unique “mixer.
The Hummer won Best Workmanship at the EAA Fly-in in 1978, and was marketed as plans and in kit form by Maxair after Hill’s death.
Maxair Hummer Ultralight Aircraft Specifications.
Seats: One
Length: 18 ft 0 in (5.49 m)
Wingspan: 34 ft 0 in (10.36 m)
Height: 8 ft 0 in (2.44 m)
Wing area: 128 ft2 (11.9 m2)
Empty weight: 170 lb (80 kg)
Gross weight: 370 lb (170 kg)
Powerplant: 1 × Zenoah G25, 20 hp (15 kW)
Performance
Maxair Hummer Performance Specifications
Rate of climb (Full throttle) – 400 FPM
Fuel Capacity – 5 gal.
Fuel Consumption 1 1/2 gal. per hr.
Top Speed 45 – 50 MPH
Take Off/Landing Speed 25-28 MPH
Stall Speed – 22-24 MPH
Take Off Roll – 300 ft surfaced/400 ft grass
Landing Roll – 150 ft surfaced/60 ft grass
Sink Rate – 225 FPM (approx.) L:D – 10:1
Estimated Set Up Time – 10-20 Min.
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https://www.ultralightnews.com – Maxair Hummer, single seat part 103 legal antique vintage ultralight aircraft.