BI
Contents
Description
The BI is a gift rank V Soviet jet fighter
with a battle rating of 6.7 (AB/RB) and 6.3 (SB). It was introduced during Update "Raining Fire" as a reward for the 2020 Wargame "Strategist" event, and is currently available for sale on the Marketplace.
General info
Flight performance
Characteristics | Max Speed (km/h at 4,500 m) |
Max altitude (metres) |
Turn time (seconds) |
Rate of climb (metres/second) |
Take-off run (metres) | |||
---|---|---|---|---|---|---|---|---|
AB | RB | AB | RB | AB | RB | |||
Stock | 793 | 787 | 12000 | 21.2 | 21.2 | 84.9 | 79.4 | 400 |
Upgraded | 807 | 800 | 20.8 | 21.0 | 116.4 | 100.0 |
Details
Features | |||||
---|---|---|---|---|---|
Combat flaps | Take-off flaps | Landing flaps | Air brakes | Arrestor gear | Drogue chute |
X | X | ✓ | X | X | X |
Limits | ||||||
---|---|---|---|---|---|---|
Wings (km/h) | Gear (km/h) | Flaps (km/h) | Max Static G | |||
Combat | Take-off | Landing | + | - | ||
920 | 420 | N/A | N/A | 320 | ~9 | ~3 |
Optimal velocities (km/h) | |||
---|---|---|---|
Ailerons | Rudder | Elevators | Radiator |
< 400 | < 410 | < 550 | N/A |
Engine performance
Engine | Aircraft mass | ||||
---|---|---|---|---|---|
Engine name | Number | Basic Mass | Wing loading (full fuel) | ||
Isaev D-1a | 1 | 924 kg | 233 kg/m2 | ||
Engine characteristics | Mass with fuel (no weapons load) | Max Takeoff Weight | |||
Weight (each) | Type | 0m fuel | 1m fuel | ||
300 kg | Liquid-fuel rocket | 1,134 kg | 1,629 kg | 1,650 kg | |
Maximum engine thrust @ 0 m (RB / SB) | Thrust to weight ratio @ 0 m (100%) | ||||
Condition | 100% | WEP | 0m fuel | 1m fuel | MTOW |
Stationary | 1,121 kgf | N/A | 0.99 | 0.69 | 0.68 |
Optimal | 1,121 kgf (any speed) |
N/A | 0.99 | 0.69 | 0.68 |
Survivability and armour
- 5.5 mm steel behind the pilot.
- 5.5 mm steel plate installed in the nose.
- 64 mm bulletproof glass in front of pilot
- Self-sealing fuel tanks* (7 under the cannon barrels, 8 behind pilot, 3 in rear fuselage)
*The fuel tanks are cylinder-shaped, not rectangular, like most planes' fuel tanks, allowing for more fuel tanks.
Armaments
Offensive armament
The BI is armed with:
- 2 x 20 mm ShVAK cannons, nose-mounted (45 rpg = 90 total)
Usage in battles
The BI is similar to the Me 163 - small amounts of fuel and ammo (low flight endurance) but very good performance, being able to climb almost vertically. As such it excels in the interceptor role, climbing very high very fast to shoot down bombers before exhausting its fuel supply and landing again. Don't be fooled by its acceleration into thinking it has a high top speed - the wings will fall off before it matches speed with many planes at its battle rating. As such, don't try to outrun enemies but use your maneuverability and acceleration to fight them.
Modules
Tier | Flight performance | Survivability | Weaponry |
---|---|---|---|
I | Fuselage repair | Offensive 20 mm | |
II | Airframe | ||
III | Wings repair | New 20 mm cannons | |
IV | Engine | Cover |
Pros and cons
Pros:
- Amazing acceleration.
- Great roll rate.
- Excellent manoeuvrability.
- Takes off is very fast.
- Incredible climb rate.
- Very strong airframe.
- Very small size, makes successfully engaging it very hard.
Cons:
- Not very well armoured or crew protection
- Only has landing flaps
- Can reach rip speed (Mach 0.81) while travelling in a straight line
- Very hard to pull out of a dive, due to it's great speed.
- Maximum fuel load is only 1 minute and 57 seconds.
- Limited armament, only two ShVAK cannons with 45 rounds each.
History
Describe the history of the creation and combat usage of the aircraft in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the vehicle and adding a block "/History" (example: https://wiki.warthunder.com/(Vehicle-name)/History) and add a link to it here using the main
template. Be sure to reference text and sources by using <ref></ref>
, as well as adding them at the end of the article with <references />
. This section may also include the vehicle's dev blog entry (if applicable) and the in-game encyclopedia description (under === In-game description ===
, also if applicable).
Media
- Skins
- Videos
See also
Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:
- reference to the series of the aircraft;
- links to approximate analogues of other nations and research trees.
External links
Paste links to sources and external resources, such as:
- topic on the official game forum;
- encyclopedia page on the aircraft;
- other literature.
USSR jet aircraft | |
---|---|
Bereznyak-Isayev | BI |
Yakovlev | Yak-15 · Yak-15P · Yak-17 · Yak-23 · Yak-28B · Yak-30D · Yak-38 · Yak-38M · Yak-141 |
Mikoyan-Gurevich | MiG-9 · MiG-9 (l) · MiG-15 · MiG-15bis · MiG-15bis ISh · MiG-17 · MiG-17AS · MiG-19PT |
MiG-21F-13 · MiG-21PFM · MiG-21S (R-13-300) · MiG-21SMT · MiG-21bis | |
MiG-23M · MiG-23ML · MiG-23MLD · MiG-27M · MiG-27K | |
MiG-29 · MiG-29SMT | |
Lavochkin | La-174 · La-15 · La-200 |
Sukhoi | Su-9 · Su-11 |
Su-7B · Su-7BKL · Su-7BMK · Su-17M2 · Su-17M4 · Su-22M3 | |
Su-24M | |
Su-25 · Su-25BM · Su-25K · Su-25T · Su-25SM3 · Su-39 | |
Su-27 · Su-27SM | |
Ilyushin | IL-28 · IL-28Sh |
Tupolev | Tu-14T |