RP-4 / OQ-1 Note the vertically opposed cylinders unlike the more common twin vertical cylinders as... RP-4 / OQ-1 Note the vertically opposed cylinders unlike the more common twin vertical cylinders as... Northrop Radioplane RP-71 Falconer SD-1/MQM-57(A/B) Photo : eBAY - Click Image to Enlarge Northrop... Northrop Radioplane RP-71 Falconer, SD-1/MQM-57(A/B) Photo : eBAY - Click Image to Enlarge Northrop... Northrop Radioplane RP-71 Falconer SD-1/MQM-57(A/B) Photo : http://www.duxford.org - Click Image to... Northrop Radioplane RP-71 Falconer, SD-1/MQM-57(A/B) Photo : http://www.duxford.org - Click Image to... Ken Case's radio transmitter Photo: Righter Family Archives - Click Image to Enlarge Download a 1500... Ken Case's radio transmitter Photo: Righter Family Archives - Click Image to Enlarge Download a 1500... Radioplane RP -4 / OQ-1 engine detail Photo: Botzum Richard A. 50 Years of Target Drone Aircraft ... Radioplane RP -4 / OQ-1, engine detail Photo: Botzum, Richard A., 50 Years of Target Drone Aircraft ,... Radioplane RP -4 / OQ-1 engine detail close-up Photo: Botzum Richard A. 50 Years of Target Drone... Radioplane RP -4 / OQ-1, engine detail, close-up Photo: Botzum, Richard A., 50 Years of Target Drone... California June 15 1944 Dearest Grace I was so happy to hear from you. I was so thrilled to... California, June 15, 1944 Dearest Grace, I was so happy to hear from you. I was so thrilled to... California June 15 1944 Dearest Grace I was so happy to hear from you. I was so thrilled to... California, June 15, 1944 Dearest Grace, I was so happy to hear from you. I was so thrilled to... Northrop Radioplane RP-76 Target Drone Photo : TBA - Click Image to Enlarge The Northrop Radioplane... Northrop Radioplane RP-76 Target Drone Photo : TBA - Click Image to Enlarge The Northrop Radioplane... Northrop Radioplane RP-76 Target Drone Photo : TBA - Click Image to Enlarge Northrop Radioplane RP-76 Target Drone Photo : TBA - Click Image to Enlarge Ultra rare image of the RP-1 before covering Paul Whittier Estate 1935 Photo: Righter Family... Ultra rare image of the RP-1 before covering, Paul Whittier Estate, 1935 Photo: Righter Family... Paul Whittier RP-1 Paul Whittier Estate 1935 Photo: Righter Family Archives - Click Image to... Paul Whittier, RP-1, Paul Whittier Estate, 1935 Photo: Righter Family Archives - Click Image to... Photo: Northrop Photo: Northrop RP-1 Twin detail Paul Whittier Estate 1935 Photo: Righter Family Archives - Click Image to... RP-1 Twin, detail, Paul Whittier Estate, 1935 Photo: Righter Family Archives - Click Image to... Northrop Radioplane RP-71 Falconer SD-1/MQM-57(A/B) Photo : TBA - Click Image to Enlarge Northrop Radioplane RP-71 Falconer, SD-1/MQM-57(A/B) Photo : TBA - Click Image to Enlarge RP-5A / OQ-2 / TDD-1 Specifications RP-5A / OQ-2 / TDD-1 Specifications California June 15 1944 Dearest Grace I was so happy to hear from you. I was so thrilled to... California, June 15, 1944 Dearest Grace, I was so happy to hear from you. I was so thrilled to... Fred Hardy RP-1 Paul Whittier Estate 1935 Photo: Righter Family Archives - Click Image to Enlarge... Fred Hardy, RP-1, Paul Whittier Estate, 1935 Photo: Righter Family Archives - Click Image to Enlarge... RP-5A / OQ-2 / TDD-1 Specifications RP-5A / OQ-2 / TDD-1 Specifications RP-3 1939 Photo: Righter Family Archives - Click Image to Enlarge RP-3, 1939 Photo: Righter Family Archives - Click Image to Enlarge California June 15 1944 Dearest Grace I was so happy to hear from you. I was so thrilled to... California, June 15, 1944 Dearest Grace, I was so happy to hear from you. I was so thrilled to... Radioplane RP-3 The Radioplane Target Drone Radioplane RP-3 The Radioplane Target Drone Ken Case RP-3 Righter Manufacturing Co. Photo: Righter Family Archives - Click Image to Enlarge... Ken Case, RP-3, Righter Manufacturing Co. Photo: Righter Family Archives - Click Image to Enlarge... Reginald Denny RP-1 Paul Whittier Estate 1935 Photo: Righter Family Archives - Click Image to... Reginald Denny, RP-1, Paul Whittier Estate, 1935 Photo: Righter Family Archives - Click Image to... RP-5A / OQ-2 / TDD-1 Specifications RP-5A / OQ-2 / TDD-1 Specifications Radioplane RP-3 The Radioplane Target Drone Radioplane RP-3 The Radioplane Target Drone Walter Righter holding his first engine the 'RP-1 Twin' Photo: Dr R.E. Nichol 1967 (courtesy Jim... Walter Righter holding his first engine the 'RP-1 Twin' Photo: Dr R.E. Nichol, 1967 (courtesy Jim... Radioplane RP-3 The Radioplane Target Drone Radioplane RP-3 The Radioplane Target Drone RP-3 Dale Dry Lake Sep. 29 1938 L-R : Ken Case and ? Photo : Righter Family Archives - Click... RP-3, Dale Dry Lake, Sep. 29, 1938 L-R : Ken Case and ? Photo : Righter Family Archives - Click... Radioplane RP -4 / OQ-1 Controller detail Model Airplane News Sep. 1940 - Click Image to Enlarge... Radioplane RP -4 / OQ-1 Controller detail Model Airplane News , Sep., 1940 - Click Image to Enlarge...
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