Author Topic: Bomber ranges(from He 177 topic in general)  (Read 1970 times)

Offline juzz

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Bomber ranges(from He 177 topic in general)
« on: July 31, 2001, 12:42:00 AM »
From the book The Bomber in World War 2 by Alfred Price.

List of approximate bomber radius of action in miles with a 2,000lb bombload(unless noted otherwise).

G4M2: 1500
He 177A-3: 1200
Liberator(5,000lbs): 1000
Stirling Mk I: 1000
B-17G: 950
Pe-8: 900
G3M2(1,760lbs): 900
Lancaster I(4,000lbs): 875
Fw 200C: 850

Ju 188E: 800
B-25D: 700
Wellington I: 700
Ki-49: 700
Ju 88A-6: 600
A-26: 600
S.M.79-I: 600
Mosquito IV: 600
Ju 88A-1: 550
B-26: 550
Z.1007bis: 500
He 111H: 500
Il-4: 450
Do 217E: 450
LeO 451: 450
Ar 234(2,200lbs): 300
SB-2bis: 200
Pe-2: 150

Lancaster with 22,000lbs "Grand Slam": 650
Short Stirling with 14,000lbs: 250
Ju 88A-1 with 4,000lbs: 250

B-29 with 12,000lbs: 1700 miles!!!   :eek:

Staga wanted to know how far the He 177 would go with it's maximum bombload of 13,000lbs. Considering that the Stirling goes from 1000 miles down to 250 when it carries a 14,000lbs bombload, I would say that ~300 miles would be a good guess for the operational radius of a He 177 carrying 13,000lbs of bombs. More than enough to hit anything in a map the size of an Aces High arena.  :)

Offline Staga

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Bomber ranges(from He 177 topic in general)
« Reply #1 on: July 31, 2001, 06:51:00 AM »
I sent some email to Germany concerning DB610 fuel consumption and got answer from Mr.Hafner (luftfahrt-archiv):
_____________________________ ________________

The DB DB 610 A-B, BR 0 u. 1   D.(Luft)T 3610 A-B, Motorenkarte, 1942,
shows the following min and max. values:

- start and emergency situation: 2800 rev/min.; 1,42 bar pressure: 960 l/hr
- low requirement, 2100 rev/min.; 1,0 bar pressure: 510 l/hr.

Offline Staga

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Bomber ranges(from He 177 topic in general)
« Reply #2 on: July 31, 2001, 07:06:00 AM »
I hope you don't mind if I copy&paste part of your post from another topic Juzz.
 
Quote
*There are 4 fuselage tanks + 4 wing tanks.
*Each outer wing tank is 1120l in capacity.
*Each inner wing tank is 621l in capacity.
*The front 2 fuselage tanks are 1520l each(increasing to 3450l when bomb bay is blanked off).
*The rear 2 fuselage tanks are 1140l each.

So biggest possible fuel load is 12662l(which would give the 5500km range with missiles on the wings).

With the smaller fuselage tanks fitted total capacity is reduced to 8802l.

Even with smaller fuel-load of 8800L and fuel consumption of 960l/h in emergency power it could still fly 4,5h.

Offline Seeker

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Bomber ranges(from He 177 topic in general)
« Reply #3 on: July 31, 2001, 08:43:00 AM »
They vary widely, Staga, depending on role.

At one time the RLM even insisted it be configured as a dive bomber, and one version was produced (albeit in very low numbers) as interceptor fighters, the bombbays being replaced by a battery of 33 upward firing rockets in a kind of Schragemuzik installation.

All this produces widely differing figures, as you can imagine.

Do a search on the V38 subtype.

Offline Staga

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Bomber ranges(from He 177 topic in general)
« Reply #4 on: July 31, 2001, 02:12:00 PM »

Offline HoHun

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Bomber ranges(from He 177 topic in general)
« Reply #5 on: July 31, 2001, 03:03:00 PM »
Hi Juzz,

a reprint of Heinkel's Typenblatt for the He 177A-5/R7 indicates a specific fuel consumption of 220 g/HPh and a cruise of 410 km/h at 5700 m altitude with 80% take-off power. Climb to 6000 m takes 36.5 min. Normal fuel load of the He 177 is 8350 kg, normal payload 2710 kg.

Climb burns about 660 kg of fuel, leaving 7690 kg for cruise during which 915 kg/h are comsumed, good for 8.4 h or almost 3500 km of flight.

Reducing fuel load to allow a total payload of 6500 kg leaves 3900 kg of fuel after the climb to cruise altitude, good for 4.3 h or 1750 km of flight.

Considering the distance covered during climb and letdown as operational reserve, you'd arrive at a normal combat radius of 1750 km (1088 imp. miles), compared to 875 km (544 imp. miles) with a 6500 kg payload.

(Heinkel provides a 3750 km figure for normal cruise and a 4000 km figure for best (i. e. slower) cruise, so I'd say my calculations are slightly conservative :-)

Regards,

Henning (HoHun)

Offline M.C.202

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Bomber ranges(from He 177 topic in general)
« Reply #6 on: July 31, 2001, 03:16:00 PM »
Lets add:

B32
Max bomb load                  20,000lbs
Radius at max bomb load         400 miles
Radius at max fuel load        1,900 miles
Radius with 8,000lb bomb load  1,250miles

PB2Y-3 (a nice pick for a seaplane)
Max bomb load                  8,000lbs
Radius with 8,000lb bomb load  690 miles

PBM3S
Max bomb load                   2,600lbs
Radius with 2,600lb bomb load   1,362 miles

A-26B-50
Max bomb load, internal         4,000lbs
plus wing mounted               2,000lbs
Radius with 4,000lb bomb load   700 miles

Piaggio P108
Max bomb load                   7,725lbs
Max radius (bomb load not given) 1,086 miles

Douglas BTD-1
Max bomb load, internal         3,200lbs
Max radius with torpedo          740miles
    :D     :D  Yeh, I know, limited prototype build only, 13 built. But talk about yer ground pounder, two torp attack plane.

(edited to radius, 1/2 range)
[ 07-31-2001: Message edited by: M.C.202 ]

[ 07-31-2001: Message edited by: M.C.202 ]

Offline HoHun

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Bomber ranges(from He 177 topic in general)
« Reply #7 on: July 31, 2001, 03:20:00 PM »
Hi Juzz,

turning the page, I noticed the data sheet for the Heinkel He 274V1, a DB603A-powered 4-engined derivative of the He 177 that was completed by SNCA-SO after the war and used as high-altitude test plane.

Since the He 274 was closer in concept to the B-29 than the He 177, I thought it could be interesting to have a look at the numbers, too:

Fuel consumption:

Climb to 11000 m: ca. 2250 kg
Cruise at 11000 m, 510 km/h: 1125 kg/h

Range:

2000 kg payload, 9900 kg fuel: 3500 km
6500 kg payload, 5400 kg fuel: 1430 km

So we seem to arrive at a 1750 km (1088 imp. miles) normal combat range and a 715 km (444 imp. miles) "heavy payload" combat range.

(Heinkel provides a 5800 km optimum range, but at 6000 m. Climb consumes so much fuel that flying at a lower altitude than the 11000 m I assumed might be better for range.)

Regards,

Henning (HoHun)

[ 07-31-2001: Message edited by: HoHun ]

Offline juzz

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Bomber ranges(from He 177 topic in general)
« Reply #8 on: July 31, 2001, 09:45:00 PM »
Hey! Thanks for the info, HoHun!  :)

Sounds like the He 177 would have more range with a full bombload than I had guessed.

Offline SkyRadr

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Bomber ranges(from He 177 topic in general)
« Reply #9 on: July 31, 2001, 10:43:00 PM »
lol thats if it made it to the target at all, it wasn't called the Luftwaffe Lighter for nothing    :D

[ 07-31-2001: Message edited by: SkyRadr ]

Offline niklas

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Bomber ranges(from He 177 topic in general)
« Reply #10 on: August 01, 2001, 02:55:00 AM »
-deleted- Didnīt read that you talk about radius not range.

niklas

[ 08-01-2001: Message edited by: niklas ]

Offline Staga

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Bomber ranges(from He 177 topic in general)
« Reply #11 on: August 09, 2001, 10:49:00 PM »
I don't wanna lose this one   :)

[ 08-09-2001: Message edited by: Staga ]

Offline Staga

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Bomber ranges(from He 177 topic in general)
« Reply #12 on: August 13, 2001, 11:22:00 PM »
Naah, had to take screenshot and post it later.

[ 08-13-2001: Message edited by: Staga ]