BGA glider data sheet - Harbinger (Permit to fly only)
Also own as the “Shenstone Harbinger”

Data source: BGA data & The Worlds’ Sailplanes Vol II Manufacturer: F Coleman

Date of issue: 1963

Weighing Data: Max weight

Max control deflections in degrees

Kg Pounds 500 1102

Up Down Distance - Max

hinge to measuring point

free play

Ailerons 28.3° 16°

Elevator 22° 21°

Max pilot weight (seat load)

mm Inches

Forward C of G limit (fwd of datum) 330 13

Aft C of G limit (fwd of datum)

302 11.9

Front pilot position (fwd of datum) 1524 60

Rear pilot position (fwd of datum) 355 14

Rudder Trim

Left & right 23° No trim fitted

Longitudinal datum: C/L of spar at root

Horizontal datum: Underside of root rib horizontal

Maximum speeds

Knots Kph

VNE

70 130 Aerotow

Rough air

64 118 Winch / auto tow

Manoeuvre

Airbrakes open

Knots 57 57

Kph 105 105

Max winch weak link: Blue Tyre pressure:Main psi (Bar), Non aerobatic, non cloud flying Span 18.3 meters Strutted tandem two seated, only two built, one in UK, one in Canada in a museum.

This sheet compiled by: Tim Macfadyen Date: 11 March 2003 Corrections to weighing data by Dave Bullock 5 May 2013

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