Nakajima J1N1-S
| GENERAL DATA | |||
| Other Designation(s) | Gekko
(Moonlight), Irving (official Allied reporting name) |
||
| Type |
Heavy Fighter |
Crew | 2 |
| Manufacturer(s) | Nakajima Aircraft
Company |
||
| Production | 479 All-model aircraft produced
(1942-1944) |
||
| Prototype first flight | May 1941 |
Introduction | 1942 |
| Variants | |||
| J1N1 | Three seaters long-range fighter. Two of prototypes and seven of supplementary prototypes. | ||
| J1N1 KAI | Night Fighter converted from J1N1. | ||
| J1N1-C | Long-range reconnaissance aircraft. Later re-designated J1N1-R. | ||
| J1N1-C KAI | Night Fighter converted from J1N1-C. | ||
| J1N1-R | Long-range reconnaissance aircraft. | ||
| J1N1-F | Observation aircraft. A little number of prototypes
only. Equipped G5N2 turret or G4M2 turret with a 20 mm Type 99 cannon
+ a rear-firing 13 mm Type 2 machine-gun. |
||
| J1N1-S | Night fighter aircraft. Armed with 2 × 20 mm forward up-firing Type 99 cannons and 2 × 20 mm forward under-firing Type 99 cannons. | ||
| J1N1-Sa | Night Fighter same as above, armed with 3 × 20 mm forward up-firing Type 99 cannons. | ||
| DIMENSIONS | |||
| Length | 12.77 m |
Empty Weight | 4480 kg |
| Wingspan | 16.98 m |
Loaded Weight | 7010 kg |
| Height | 4.562 m |
Maximum Take-Off Weight | 8184 kg |
| Wing area | 40 m² |
Wing loading | 175.3 kg/m² |
| ARMAMENT | |||
| Main Gun | 4 x 20 mm (0.787 in) Type 99 Mark
2 guns* |
Ammunition Carried |
4 x ? |
| Secondary Guns | - |
Ammunition Carried | - |
| Other | Radar Typ 3 Mk 6 Model 4 |
||
(*) two upward- and two downward-firing
OR 2× 20 mm Type 99 cannon, firing upward only OR 3× 20 mm
Type 99 cannon, all three firing upward
| POWERPLANT | |||
| Engine | 2 ×
Nakajima NK1F Sakae 21 |
Type & Displacement | 14-cyl. two-row air-cooled
radial, 27.9 L |
| Horsepower (maximum) | 2
x 1130 hp ( for take-off) * |
Power/Weight Ratio | 370.90 hp / ton * |
| Fuel Capacity | 1700 L (internal)
|
||
(*) with Loaded Weight
| PERFORMANCES | |||
| Maximum Speed | 507 km/h
at 5840 m |
Cruise Speed | 330 km/h at 4000 m |
| Stall Speed* | 141 km/h |
Service Ceiling | 11700 m |
| Rate of Climb | 8.7 m/s |
Range | 2545 km / 3780 km (ferry range) |
(*) vitesse de décrochage
| Sources | |||
| Wikipédia | militaryfactory.com | ||
Drawings |
