Author Topic: Dewoitine D.520  (Read 119979 times)

Offline lyric1

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Re: Dewoitine D.520
« Reply #75 on: November 18, 2011, 03:28:17 PM »

Offline EVZ

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Re: Dewoitine D.520
« Reply #76 on: November 18, 2011, 03:59:41 PM »
I too agree that AH could use some French representation.  Nothing better would fit in to AH than the D520! 

In a game that includes the Brewster Buffalo, the C 202, and the I-16 there is definately a place for the D-520. LIKE THOSE PLANES - it's not going to see a LOT of use, that's a given, but it WILL add to the game in other ways. Vive las France ! :rock
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Offline TwinBoom

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Re: Dewoitine D.520
« Reply #77 on: November 19, 2011, 05:52:34 PM »
DeWoitine D.520 Fighter

The DeWoitine D.520 is generally held to be the best French fighter of World War II.  Utilizing an Hispano-Suiza 12-cylinder powerplant producing 930 PS (916 HP) for takeoff, this fighter -- although substantially slower than the Me 109s it was opposing -- proved very capable in a turning and diving fight.  The D.520 packed a serious punch in the form of 4 7.5 mm machine guns and a single 20 mm cannon firing through the propeller hub.  It was very agile and dove well, with well-harmonized controls that were light to the touch.  An experience pilot could get on an enemy's tail very quickly if his opponent did not take appropriate evasive action.  However, once out of diving altitude, the D.520 could be run down fairly easily by the German Messerschmitts, and then had to rely on its agility to jink and roll its way out of trouble.  Overall, the D.520 was an excellent, if underpowered, fighter that gave a good accounting of itself in the short time allotted to it during the Battle of France.  Once the Germans took over the French air industry, the type was relegated to trainer status and saw service in a variety of arenas until war's end.
Pilot Comments:

"The D.520 is a very agile aircraft that dives well.  It can handle 400+ mph dives without any problem and has good control response until well past the recommending diving speed of 413 mph IAS.  Use this aircraft's light weight and responsive controls to maneuver behind your opponent, where you can use the D.520s substantial firepower to down him.  But don't take the fight too low, or you'll run out of altitude and won't be able to dive away to fight another day."
TBs Sounds 
39th FS "Cobra In The Clouds"NOSEART

Offline TwinBoom

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Re: Dewoitine D.520
« Reply #78 on: November 19, 2011, 05:53:06 PM »
ABBREVIATED CHECKLIST

TAKEOFF (5568 lbs.)

    Flaps: Up
    Elevator trim: 0%
    Rudder trim: +40%
    Aileron trim: +35%
    Apply power smoothly to 34" Hg (88%)
    Liftoff speed: 115 mph (185 kph) IAS
    Takeoff roll: 20 seconds

Note: This aircraft has a substantial amount of torque roll; although the stall speed is quite low at 85 mph, and the craft will want to lift off sooner, hold the nose down and let flying speed build to at least 115 mph where the runway length allows.  This will allow you to gain aileron authority so as to minimize the roll when the aircraft lifts off.  A good deal of right rudder and aileron will be needed until climbing speed is reached.

CLIMBING

    Initial Climb: 2,500 fpm (12.5 m/s) at full power/2400 rpm/145 mph IAS.
    Normal Climb: 145 mph (235 kph) IAS @ 34" hg/2200 rpm.
    Rate of climb @ climb power: 2262 fpm (11.3 m/s)

LANDING (5059 lbs.)

This aircraft tends to float in ground effect so the landing touchdown speed is very important to a short ground roll.  It is also very sloppy in slow flight so a deft hand at the controls is critical.

    Gear extension: 150 mph/242 kph IAS
    Flap extension: 150 mph/242 kph IAS
    Full flaps at 140 mph/225 kph IAS
    Approach speed: 115 mph/185 kph IAS
    Over airfield boundary: 105 mph/169 kph IAS
    Touchdown at 90 mph/145 kph IAS

Firepower Certified Specifications:

    Normal takeoff/test weight: 5568 pounds
    Top Speed @ SL: 264 mph TAS
    Top Speed @ Alt: 329 mph TAS @ 19,700 feet
    Max Cruise @ SL: 241 mph IAS/240 mph TAS @ 30" hg/2000 rpm
    Max Cruise @ 19,685 ft: 223 mph IAS/299 mph TAS @ 30" hg/2000 rpm
    Normal Cruise @ 19,685 ft: 170 mph IAS/230 mph TAS @ 30" hg/2000 rpm
    Climb: 5.8 minutes to 19,685 ft @ 34" hg/2200 rpm/145 mph IAS
    Initial climb: 2,500 fpm @ 37.8" hg/2400 rpm/145 mph IAS
    Fuel to climb: 8 gallons
    1 g stall speed, clean: 85 mph IAS (5568 lbs)
    1 g stall speed, landing: 69 mph IAS (5568 lbs)
    1 g stall speed, clean: 82 mph IAS (5059 lbs)
    1 g stall speed, landing: 62 mph IAS (5059 lbs)
    Slow flight: very sloppy at high angles of attack; sensitive to power changes.
    Stall: severe wing drop and roll; spin incipient, prompt recovery required.
    Takeoff (no flaps): Liftoff speed 115 mph IAS (185 kph)
    Ramp weight: 4578 pounds
    Max takeoff wt: 6129 pounds
    Roll rate: Approx. 180 deg/sec at 250 mph IAS.
    Turning rate, in g: Approx. 6.5 g at 250 mph in a level turn.
    High speed dives: Controls will freeze/reverse at approx. 550 mph IAS
    Vmax: 413 mph IAS (665 kph/369 kts)
    Dive brakes: None
    Combat Flaps: Yes
    To Gear down: moderate pitch down
    To Flaps down: moderate pitch up
    Engine: Hispano-Suiza 12Y-45 inline liquid-cooled V-12
    Takeoff power: 930 PS (916 HP) @ 37.8" hg/2400 RPM
    Climb (rated) power: 850 PS (837 HP) @ 34.6" hg/2200 RPM
    Max cruise power: 670 PS (660 HP) @ 30" hg/2000 RPM
    Fuel capacity: 104.5 gallons
    Fuel consumption at max cruise: 55 gph @ sea level
    Service Ceiling: 34,450 feet
TBs Sounds 
39th FS "Cobra In The Clouds"NOSEART

Offline Megalodon

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Re: Dewoitine D.520
« Reply #79 on: November 24, 2011, 03:09:55 PM »

Re captured II/18 GC 44-45
« Last Edit: November 24, 2011, 03:11:28 PM by Megalodon »
Okay..Add 2 Country's at once, Australia and France next plane update Add ...CAC Boomerang and the Dewoitine D.520

Offline Noir

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Re: Dewoitine D.520
« Reply #80 on: November 25, 2011, 06:07:38 AM »
you guys think a griffon would fit in such a long nose?  :bolt:
now posting as SirNuke

Offline Debrody

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Re: Dewoitine D.520
« Reply #81 on: November 25, 2011, 06:13:12 AM »
you guys think a griffon would fit in such a long nose?  :bolt:
Ya, with a fuel duration of 10 minutes  :lol
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Offline nrshida

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Re: Dewoitine D.520
« Reply #82 on: November 25, 2011, 07:56:17 AM »
It's not a long nose, it's the same length as a Spitfire Mark I (roughly), it just has a short arse so it's deceptive. A short arse, like SirNuke :neener:  :bolt:
"If man were meant to fly, he'd have been given an MS Sidewinder"

Offline Noir

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Re: Dewoitine D.520
« Reply #83 on: November 25, 2011, 08:07:12 AM »
It's not a long nose, it's the same length as a Spitfire Mark I (roughly), it just has a short arse so it's deceptive. A short arse, like SirNuke :neener:  :bolt:

I think you've got me mistaken with bruv....I'm 6 feet tall! :furious

I'm tinkering with the idea of creating a french squad  :headscratch:
now posting as SirNuke

Offline coombz

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Re: Dewoitine D.520
« Reply #84 on: November 25, 2011, 08:11:37 AM »
I think you've got me mistaken with bruv....I'm 6 feet tall! :furious

I'm tinkering with the idea of creating a french squad  :headscratch:

you might need to if Bruv sees that comment on his height ;D
Did you see my dad on dogfights yet?
I'll be seeing you face to face possibly next month.

Offline Noir

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Re: Dewoitine D.520
« Reply #85 on: November 25, 2011, 08:34:40 AM »
you might need to if Bruv sees that comment on his height ;D

I'm sure you can't wait to report me :P
now posting as SirNuke

Offline coombz

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Re: Dewoitine D.520
« Reply #86 on: November 25, 2011, 08:41:18 AM »
you also posted in the Top Gun thread again, that's two strikes  :neener:   

you're in the hurt locker now sweet pea
Did you see my dad on dogfights yet?
I'll be seeing you face to face possibly next month.

Offline nrshida

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Re: Dewoitine D.520
« Reply #87 on: November 25, 2011, 09:24:37 AM »
I think you've got me mistaken with bruv....I'm 6 feet tall! :furious

I'm tinkering with the idea of creating a french squad  :headscratch:

No Nuke, you just look 6ft tall because of your abnormally long fuselage, it's an optical illusion  :lol

How many strikes do I have now?

 
"If man were meant to fly, he'd have been given an MS Sidewinder"

Offline coombz

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Re: Dewoitine D.520
« Reply #88 on: November 25, 2011, 09:30:15 AM »
No Nuke, you just look 6ft tall because of your abnormally long fuselage

Did you see my dad on dogfights yet?
I'll be seeing you face to face possibly next month.

Offline Noir

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Re: Dewoitine D.520
« Reply #89 on: November 25, 2011, 09:42:28 AM »
No Nuke, you just look 6ft tall because of your abnormally long fuselage, it's an optical illusion  :lol

That's why they say the french make the best lovers  :D
Lets stop hijacking this thread or TwinBoom will get mad at us  :angel:
now posting as SirNuke