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Doug Robertson's Photo Gallery

Total 43968 pictures. 225 in this folder.   Contact    Home

 Gallery Home

Aircraft and aiport photos are sorted separately. Airport photos always shown after aircraft photos.

N273MD photo, click to enlarge
Dickenson Howard DGA-21 Experimental class, P&W R-1340-57 600 Hp Wasp radial, at fuel ramp
N273MD photo, click to enlarge
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.
N273MD photo, click to enlarge
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.
N273MD photo, click to enlarge
Dickenson Dickenson-Howard DGA-21, male plug used to cast female cowl forming mold
N273MD photo, click to enlarge
Dickenson Dickenson-Howard DGA-21, press used to stabilize aluminum sheet with fixture during bump cowl forming-with female cowl mold
N273MD photo, click to enlarge
Dickenson Dickenson-Howard DGA-21, female mold for forming bump cowl for the P&W R-1340-57 radial
N273MD photo, click to enlarge
Dickenson Dickenson-Howard DGA-21, baggage door & compartment
N273MD photo, click to enlarge
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
N273MD photo, click to enlarge
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
N273MD photo, click to enlarge
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
N273MD photo, click to enlarge
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
N273MD photo, click to enlarge
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