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| During 1942 Watanabe designed an ASW aircraft to meet an Imperial Japanese Navy requirement for a specialized aircraft in this category. Designated Kyushu Q1W, this was a cantilever mid/low-wing monoplane with retractable tailwheel landing gear, and powered by two Hitachi GK2C Amakaze 31 radial engines. Operated by a crew of three, the Q1W was planned to use an advanced search radar, but this failed to materialize and instead the Q1W had to make do with an earlier and somewhat ineffective radar complemented by MAD (magnetic anomaly detection) equipment. First flown in September 1943, the Q1W1 was ordered into production in early 1944 as the Navy Patrol Plane Tokai (eastern sea), later allocated the Allied codename 'Lorna'. It proved to be unsuccessful in operational service, too slow and too vulnerable to attack by Allied fighters, and only about 150 had been built by the time the Pacific war ended.
| MODEL | Q1W1 |
| CREW | 3 |
| ENGINE | 2 x Hitachi GK2C "Amakaze-31", 460kW |
| WEIGHTS |
| Take-off weight | 4800-5318 kg | 10582 - 11724 lb |
| Empty weight | 3102 kg | 6839 lb |
| DIMENSIONS |
| Wingspan | 16 m | 53 ft 6 in |
| Length | 12.1 m | 40 ft 8 in |
| Height | 4.1 m | 13 ft 5 in |
| Wing area | 38.2 m2 | 411.18 sq ft |
| PERFORMANCE |
| Max. speed | 320 km/h | 199 mph |
| Cruise speed | 240 km/h | 149 mph |
| Ceiling | 4490 m | 14750 ft |
| Range | 1340 km | 833 miles |
| ARMAMENT | 1-2 20mm cannons, 7.7mm machine-guns, 500kg of bombs |
 | A three-view drawing (752 x 947) |
| lxbfYeaa, e-mail, 14.03.2024 06:10 20 reply | | Trevor Webb, e-mail, 09.02.2012 03:42 There were 153 built by the end of the war including a small number of Q1W2 variants with a wood construction rear fuselage. There was also one Q1W1-K training variant built with four crew including instructor. reply | | Ken Vitrone, e-mail, 24.01.2012 15:28 I have an original silk scarf of this plane. My uncle brought it back from WW2 reply | | daxiong, 18.06.2011 13:57 old never heard of & just learned of Kyushu mfg. If this little beauty Q1W Tokai isn't a Ju 88 'homage' nothing is. reply | |
| | Kadesh, 26.01.2011 19:40 Now, if i had good fighter cover, i think i would have enjoyed flying in something as aesthetically pleasing and just plain pretty as this baby. reply | | Frank, e-mail, 21.11.2010 16:15 The Q1Q was the worlds first purpose built anti-submarine warfare (ASW) aircraft. reply | | kolbpilot, e-mail, 16.09.2010 03:24 An aviation enthusiast since 12 yrs. old, this 52 yr. old never heard of & just learned of Kyushu mfg. If this little beauty Q1W Tokai isn't a Ju 88 'homage' nothing is. reply |
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All the World's Rotorcraft |
