Blackburn B-9 H.S.T.10

For a description of the format and data included in Production Tables, see here.

Contents

Type Description

• B-9/C.A.21B H.S.T.10
• Two crew, twelve-passenger low-wing monoplane airliner, fitted with a single-spar all-metal Duncanson wing, that had previously been tested on a Blackburn Segrave. The wing was of all-metal construction with fabric covering, whilst the fuselage was of semi-monocoque construction with an Alclad skin. Cabin accommodation was provided for twelve passengers, with provision made for heating, ventilation and even a toilet at the rear of the cabin. The two pilots were seated side-by-side in the nose. The one-piece wing was mounted below the fuselage and featured a large wing root fillet to minimise drag.Iit was also the first Blackburn design to include a hydraulically-operated, retractable undercarriage.Two 365 h.p. Napier Rapier VI powerplants.

Projected Variants

• C.A.21
• Preliminary schemes for the H.S.T.10 for pilot and 8 passengers. Four 130 h.p. de Havilland Gipsy Major, four 174 h.p. Napier Javelin or two 340 h.p. Armstrong Siddeley Serval powerplants.

• C.A.21B H.S.B.T.10
• Coastal reconnaissance/bomber transport landplane derivative of the H.S.T.10. with mid upper and ventral gun positions. Two 365 h.p. Napier Rapier VI powerplants.

• H.S.T.20
• Bomber; enlarged version of H.S.B.T.10. Two 630 h.p. Napier Dagger M.1 powerplants.

• H.B.N.T.10
• General purpose derivative of the H.S.T.10. Two 500 h.p. Bristol Aquila powerplants.

Production Details

Notes

1. Blackburn used a series of Works Order Numbers rather than Constructors Numbers to identify individual airframes, but referred to here as C/n's for consistency.

Production References

1. Blackburn Aircraft Since 1909, A.J. Jackson (Putnam, 1968 and 1989)