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Avid “Magnum”
United States — single-engine two-seat high-wing kit-built monoplane


Archive Photos ¹


[Avid “Magnum” (N35896, c/n 87M, 2003) on display 1/7/2006 at the Cable Airshow, Upland, CA (John Shupek photos copyright © 2006 Skytamer Images)]

Overview ²


  • Avid Aircraft Magnum
  • Role: Two-seat cabin monoplane
  • National origin: United States
  • Manufacturer: Avid Aircraft; Airdale Flyer Company
  • Status: In production (2010)

The Avid Aircraft Magnum is an American two-seat homebuilt cabin monoplane which was designed and sold as kits by Avid Aircraft of Caldwell, Idaho.

Design and Development ²


The Magnum is a high-wing strut-braced monoplane with a welded steel tube fuselage, the wings have aluminium spars and wooden ribs covered with Ceconite. The Magnum was sold without an engine and was designed for a range of Lycoming engines from 115 to 180 hp (86 to 134 kW), for example the Lycoming O-235, O-320 or the O-360. The enclosed cabin has side-by-side configuration seating for two with an option for an additional seat in the baggage area for two children or a small adult. It has a fixed conventional landing gear with a tailwheel and some are fitted with floats.

By 2010 the aircraft was Back in production by the Airdale Flyer Company of Rhinelander, Wisconsin.

Specifications and Performance Data ³


Type
  • Side-by-side two-seat homebuilt with dual control.
Customers
  • About 800 flying (ca. 1995/1996)
Costs
  • Kit US$18,995 without engine (1995/1996).
Design Features
  • High-wing braced monoplane, similar to Avid Flyer, using a Textron Lycoming engine and having baggage area large enough to fit optional jump seat for small adult or two children.
Flying Controls
  • Flaperons, elevators with adjustable trim tab, and rudder.
Structure
  • Aluminum wing spars and plywood ribs, with Ceconite covering.
  • Welded steel tube fuselage, rudder, tailplane and elevators, Ceconite covered except for fuselage nose which has pre-moulded GFRP cowlings.
  • Fin integral with fuselage.
Landing Gear
  • Non-retractable tailwheel type, with Cleveland wheels and brakes.
  • Wheel fairings.
Power Plant
  • One Textron Lycoming engine in 85.75 kW to 134 kW (115 hp to 180 hp) range, including O-235, O-320 and O-360.
  • Fuel capacity 106 liters (28.0 US gallons; 23.3 Imp gallons).
  • Optional 38 liter (10.0 US gallons; 8.3 Imp gallons) wingtip tanks available.
Accommodation
  • Two seats side-by-side, with dual controls, plus optional jump seat for small adult or two children in 0.81 m³ (28.5 ft³) baggage area.
Dimensions, external
  • Wing span: 10.06 m (33 ft 0 in)
  • Wing chord, constant: 1.30 m (4 ft 3 in)
  • Wing aspect ratio: 7.76
  • Length overall: 6.4 m (21 ft 0 in)
  • Height overall: 1.86 m (6 ft 1¼ in)
Dimensions, internal
  • Cabin max width: 1.12 m (3 ft 8 in)
Areas
  • Wings, gross: 13.03 m² (140.25 ft²)
Weights and Loadings
  • Weight empty: 465 kg (1,025 lbs)
  • Baggage capacity: 68 kg (150 lbs)
  • Max T-O weight: 794 kg (1,750 lbs)
  • Max wing loading: 57.44 kg/m² (11.76 lbs/ft²)
  • Power loading (119 kW; 160 hp): 6.29 kg/kW (10.31 lbs/hp)
Performance (at max T-O weight, ISA; 119 kWh; 160 hp O-320 engine)
  • Never-exceed speed (VNE): 130 kts (241 km/h; 150 mph)
  • Cruising speed: 113 kts (209 km/h; 130 mph)
  • Stalling speed: 32 kts (58 km/h; 36 mph)
  • Max rate of climb at S/L: 457 m/min (1,500 ft/min)
  • Service ceiling: more than 5,335 m (17,500 ft)
  • T-O run: approx 77 m (250 ft)
  • T-O run to 50 m (50 ft): 99 m (325 ft)
  • Landing run: 77 m (250 ft)

References


  1. Photos, John Shupek, Copyright © 2009 Skytamer Images. ALL RIGHTS RESERVED
  2. History: Wikipedia, Avid Aircraft Magnum
  3. Specifications and performance data: Jackson, Paul (MRAeS), Avid Aircraft Magnum, Jane's All The World's Aircraft 1995-96, London, Jane's Information Group Limited, ISBN 0 7106 1262 1, Copyright 1995. pp. 486

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