Doug Robertson's Photo Gallery

Dickenson Howard DGA-21 Experimental class, P&W R-1340-57 600 Hp Wasp radial, at fuel ramp

Dickenson Dickenson-Howard DGA-21, builder with two formed cowl bumps. Annealed aluminum sheet is held by jig in the press and pneumatic soft-nosed hammer taps the formed aluminum cowl bump shape with many, many taps into the female mold.

Dickenson Dickenson-Howard DGA-21, builder with two formed cowl bumps. Annealed aluminum sheet is held by jig in the press and pneumatic soft-nosed hammer taps the formed aluminum cowl bump shape with many, many taps into the female mold.

Dickenson Dickenson-Howard DGA-21, male plug used to cast female cowl forming mold

Dickenson Dickenson-Howard DGA-21, press used to stabilize aluminum sheet with fixture during bump cowl forming-with female cowl mold

Dickenson Dickenson-Howard DGA-21, female mold for forming bump cowl for the P&W R-1340-57 radial

Dickenson Dickenson-Howard DGA-21, baggage door & compartment

Bruce Dickenson Dickenson HOWARD DGA-21, P&W R-1340-57 600 Hp, modified Mr. Mulligan designed & constructed by Bruce Dickenson, rear finished cowl clecoed in place

Bruce Dickenson Dickenson HOWARD DGA-21, P&W R-1340-57 600 Hp, modified Mr. Mulligan designed & constructed by Bruce Dickenson, finished rear cowl clecoed in place

Bruce Dickenson Dickenson HOWARD DGA-21, P&W R-1340-57 600 Hp, modified Mr. Mulligan designed & constructed by Bruce Dickenson, rear cowl forming and fitting

Bruce Dickenson Dickenson HOWARD DGA-21, P&W R-1340-57 600 Hp, modified Mr. Mulligan designed & constructed by Bruce Dickenson, rear cowl forming and fitting

Bruce Dickenson Dickenson HOWARD DGA-21, P&W R-1340-57 600 Hp, modified Mr. Mulligan designed & constructed by Bruce Dickenson, cowl forming and fitting