Hatz CB-1

The Hatz CB-1 is a 1960s American light biplane designed by John Hatz for amateur construction. The Hatz Classic variant is supplied in kit form by Makelan Corp of New Braunfels, Texas,[2] while the other variants are available as plans only.[3]

Hatz CB-1
Role Homebuilt biplane
Manufacturer Makelan Corp
Designer John Hatz
First flight 1968
Introduction 1969
Number built 150 (2011)[1]
Variants Hatz Classic
Kelly-D
Hatz CB-1
Hatz Bantam
Hatz Classic

Design and development

John Hatz designed the CB-1 in 1968 as a smaller version of a Waco F series biplane. The CB-1 is a tandem dual-control two-seat biplane with fixed tailwheel landing gear and powered by a variety of nose-mounted small engines. Steel tube fuselage and tail with wooden wings. Plans and kits of parts for the CB-1 are available for amateur construction.

Variants
CB-1
Base model[1][4]
Hatz Classic
Designed by Billy Dawson, which has a stretched more rounded fuselage and powered by a Lycoming O-320.[5]
Kelly-D
A simpler and larger variant of the Hatz, with the wing center section removed, designed by Dudley Kelly.[1][4]
Hatz Bantam
A lighter model that fits the United States light-sport aircraft rules.[6]

Specifications (CB-1)

Data from Jane's All the World's Aircraft 1982–83[7]

General characteristics

  • Crew: 2
  • Length: 19 ft 0 in (5.79 m)
  • Wingspan: 25 ft 4 in (7.72 m)
  • Height: 7 ft 10 in (2.39 m)
  • Wing area: 178 sq ft (16.5 m2)
  • Aspect ratio: 6.06:1
  • Airfoil: Clark Y
  • Empty weight: 875 lb (397 kg)
  • Max takeoff weight: 1,600 lb (726 kg)
  • Fuel capacity: 18 US gal (15 imp gal; 68 L)
  • Powerplant: 1 × Lycoming O-235 air-cooled flat four, 115 hp (86 kW)
  • Propellers: 2-bladed Sensenich fixed-pitch propeller, 5 ft 10 in (1.78 m) diameter

Performance

  • Cruise speed: 90 mph (140 km/h, 78 kn) (max cruise)
  • Stall speed: 40 mph (64 km/h, 35 kn)
  • Never exceed speed: 150 mph (240 km/h, 130 kn)
  • Range: 200 mi (320 km, 170 nmi) (30 minute reserves)
  • Rate of climb: 800 ft/min (4.1 m/s)

See also

Aircraft of comparable role, configuration, and era

References
  1. Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 105. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
  2. Vandermeullen, Richard: 2012 Kit Aircraft Buyer's Guide, Kitplanes, Volume 28, Number 12, December 2011, page 61. Belvoir Publications. ISSN 0891-1851
  3. Hatz Biplane Association. "The HBA Store". Retrieved 10 September 2014.
  4. Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 111. Flying Pages Europe SARL, 2015. ISSN 1368-485X
  5. Sport Aviation: 28. January 2009. {{cite journal}}: Missing or empty |title= (help)
  6. Sportpilot, November 2006 Reprint
  7. Taylor 1982, p. 454
  • Taylor, John W. R., ed. (1982). Jane's All the World's Aircraft 1982–83. London: Jane's Yearbooks. ISBN 0-7106-0748-2.
  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions.
  • Aerofiles
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