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ANT-26

Wingspan - 26m; Length - 16.8m; Height - 3.5m; Wing Area - 93m2

Crew - 4; Engines - 2x 676HP Lorraine in-line engines; Empty weight - 5,200kg; Maximum weight - 8,167kg

Defensive armament - 4x 7.62mm ShTAS machineguns

Top speed - 125kts; Maximum altitude - 4,500m; Maximum range with no bombload - 1,900nm

Combat radius with 1,000kg bombload - 500nm

Combat radius with 500kg bombload - 700nm

ANT-28

Wingspan - 39.6m; Length - 24.4; Height - 4.5m; Wing Area - 223m2

Crew - 7; Engines - 4x 800HP Klimov in-line engines; Empty weight - 11,800kg; Maximum weight - 20,000kg

Defensive armament - 6x 7.62mm ShTAS machineguns in 3 turrets (Dorsal, Tail, Belly), 2x 7.62mm ShTAS machineguns in nose

Top speed - 175kts; Maximum altitude - 7,500; Maximum range with no bombload - 3,000nm

Combat radius with 2,000kg bombload - 1,125nm

Combat radius with 4,000kg bombload - 750nm

ANT-31 - A development of ANT-28

Wingspan - 39.6m; Length - 24.4; Height - 4.5m; Wing Area - 223m2

Crew - 7; Engines - 4x 950HP Klimov in-line engines; Empty weight - 11,800kg; Maximum weight - 20,500kg

Defensive armament - 6x 7.62mm ShTAS machineguns in 3 turrets (Dorsal, Tail, Belly), 2x 7.62mm ShTAS machineguns in nose

Top speed - 191kts; Maximum altitude - 10,500; Maximum range with no bombload - 3,000nm at 170 kts

Combat radius with 2,000kg bombload - 1,150nm

Combat radius with 4,000kg bombload - 800nm

ANT-32

Wingspan - 26m; Length - 17m; Height - 3.5m; Wing Area - 102m2

Crew - 4; Engines - 2x 866HP Klimov in-line engines; Empty weight - 5,415kg; Maximum weight - 8,620kg

Defensive armament - 4x 7.62mm ShTAS machineguns

Top speed - 164kts; Maximum altitude - 6,600m; Maximum range with no bombload - 2,200nm

Combat radius with 1,000kg bombload - 650nm

Combat radius with 500kg bombload - 850nm

Wingspan - 26m; Length - 16.8m; Height - 3.5m; Wing Area - 93m2

Crew - 4; Engines - 2x 676HP Lorraine in-line engines; Empty weight - 5,200kg; Maximum weight - 8,167kg

Defensive armament - 4x 7.62mm ShTAS machineguns

Top speed - 125kts; Maximum altitude - 4,500m; Maximum range with no bombload - 1,900nm

Combat radius with 1,000kg bombload - 500nm

Combat radius with 500kg bombload - 700nm

ANT-28

Wingspan - 39.6m; Length - 24.4; Height - 4.5m; Wing Area - 223m2

Crew - 7; Engines - 4x 800HP Klimov in-line engines; Empty weight - 11,800kg; Maximum weight - 20,000kg

Defensive armament - 6x 7.62mm ShTAS machineguns in 3 turrets (Dorsal, Tail, Belly), 2x 7.62mm ShTAS machineguns in nose

Top speed - 175kts; Maximum altitude - 7,500; Maximum range with no bombload - 3,000nm

Combat radius with 2,000kg bombload - 1,125nm

Combat radius with 4,000kg bombload - 750nm

ANT-31 - A development of ANT-28

Wingspan - 39.6m; Length - 24.4; Height - 4.5m; Wing Area - 223m2

Crew - 7; Engines - 4x 950HP Klimov in-line engines; Empty weight - 11,800kg; Maximum weight - 20,500kg

Defensive armament - 6x 7.62mm ShTAS machineguns in 3 turrets (Dorsal, Tail, Belly), 2x 7.62mm ShTAS machineguns in nose

Top speed - 191kts; Maximum altitude - 10,500; Maximum range with no bombload - 3,000nm at 170 kts

Combat radius with 2,000kg bombload - 1,150nm

Combat radius with 4,000kg bombload - 800nm

ANT-32

Wingspan - 26m; Length - 17m; Height - 3.5m; Wing Area - 102m2

Crew - 4; Engines - 2x 866HP Klimov in-line engines; Empty weight - 5,415kg; Maximum weight - 8,620kg

Defensive armament - 4x 7.62mm ShTAS machineguns

Top speed - 164kts; Maximum altitude - 6,600m; Maximum range with no bombload - 2,200nm

Combat radius with 1,000kg bombload - 650nm

Combat radius with 500kg bombload - 850nm

This post has been edited 1 times, last edit by "AdmKuznetsov" (Jun 22nd 2007, 5:38pm)

ANT-35 Heavy Bomber

Wingspan - 39m; Length - 23.6m; Height - 6.2m; Wing Area - 188m2

Crew - 8; Engines - 4x 1650HP Miliukov-35 in-line engines; Empty weight - 19,000kg; Maximum weight - 35,000kg

Defensive armament - 6x 14mm machineguns in 3 turrets (Dorsal, Tail, Belly), 2x 14mm machineguns in nose

Top speed - 265kts; Maximum altitude - 10,000m; Maximum range with no bombload - 5,300nm at 200kts

Combat radius with 10,000kg bombload - 1,000nm

Combat radius with 4,000kg bombload - 2,000nm

Wingspan - 39m; Length - 23.6m; Height - 6.2m; Wing Area - 188m2

Crew - 8; Engines - 4x 1650HP Miliukov-35 in-line engines; Empty weight - 19,000kg; Maximum weight - 35,000kg

Defensive armament - 6x 14mm machineguns in 3 turrets (Dorsal, Tail, Belly), 2x 14mm machineguns in nose

Top speed - 265kts; Maximum altitude - 10,000m; Maximum range with no bombload - 5,300nm at 200kts

Combat radius with 10,000kg bombload - 1,000nm

Combat radius with 4,000kg bombload - 2,000nm

This post has been edited 1 times, last edit by "AdmKuznetsov" (Jun 21st 2007, 10:40pm)

Getting a 10ton bombload will likely prove problematic unless adopting bombs ~ 4000/5000kg in size. Theres a limit on how large the bombbay can be. With current weapons of 250 / 500kg size, space rapidly becomes an issue. Theres always external stowage underneath the wings.

But I can see the point.

RA : One thing I've wondered about Planebuilder is how reasonable it is to treat payload as interchangable with fuel. Frequently these planes hit volume limitations.The bomb bay is a void space consuming volume. Shouldn't there be a penalty due to the need for temporary tanks to be fitted in the bay? Or is that to minor to bother with?

Hrolf: While the Dutch aren't building it, Fokker's D.120 design is like the ANT-35

VVS leadership directed the Tupelov Design Bureau to develop replacements for Russia's present strike aircraft, the obsolescent I-3U and I-6U fighters. Tupelov's bureau offered the following design in 1935:

ANT-36 Tactical Bomber

Wingspan - 14.6m; Length - 10.1m; Height - 3m; Wing Area - 29.75m2

Crew - 1; Engines - 1x 1000HP Miliukov-37 radial engine; Empty weight - 2,925kg; Maximum weight - 4,080kg

Armament - 2x 14mm machineguns in wings, 1x 14mm MG in dorsal mount, 1x 20mm cannon mounted above engine

Armor - 12mm for pilot and gunner

Top speed - 245kts; Maximum altitude - 8,300m; Maximum range with no bombload - 1,800nm at 150kts

Combat radius with 500kg bombload - 300nm

ANT-36 Tactical Bomber

Wingspan - 14.6m; Length - 10.1m; Height - 3m; Wing Area - 29.75m2

Crew - 1; Engines - 1x 1000HP Miliukov-37 radial engine; Empty weight - 2,925kg; Maximum weight - 4,080kg

Armament - 2x 14mm machineguns in wings, 1x 14mm MG in dorsal mount, 1x 20mm cannon mounted above engine

Armor - 12mm for pilot and gunner

Top speed - 245kts; Maximum altitude - 8,300m; Maximum range with no bombload - 1,800nm at 150kts

Combat radius with 500kg bombload - 300nm

This post has been edited 2 times, last edit by "AdmKuznetsov" (Jan 6th 2008, 1:00am)

## Quoted

Originally posted by AdmKuznetsov

VVS leadership directed the Tupelov Design Bureau to develop replacements for Russia's present strike aircraft, the obsolescent I-3U and I-6U fighters. Tupelov's bureau offered the following design in 1935:

ANT-36 Tactical Bomber

Wingspan - 14.6m; Length - 10.1m; Height - 3m; Wing Area - 29.75m2

Crew - 1; Engines - 1x 1000HP Miliukov-37 radial engine; Empty weight - 2,925kg; Maximum weight - 4,080kg

Armament - 2x 14mm machineguns in wings, 1x 14mm MG in dorsal mount, 1x 20mm cannon firing through spinner

Armor - 12mm for pilot and gunner

Top speed - 245kts; Maximum altitude - 8,300m; Maximum range with no bombload - 1,800nm at 150kts

Combat radius with 500kg bombload - 300nm

Hmmmm. Fairly heavy to very heavy gun armament (the twin 14mm wing guns AND an engine-mounted 20mm). The range with 500 kg of bombs is reasonable, but the ferry range is VERY high. Where is all that fuel going to be put?

This post has been edited 1 times, last edit by "Hrolf Hakonson" (Jan 5th 2008, 2:57pm)

## Quoted

Originally posted by AdmKuznetsov

VVS leadership directed the Tupelov Design Bureau to develop replacements for Russia's present strike aircraft, the obsolescent I-3U and I-6U fighters. Tupelov's bureau offered the following design in 1935:

ANT-36 Tactical Bomber

Wingspan - 14.6m; Length - 10.1m; Height - 3m; Wing Area - 29.75m2

Crew - 1; Engines - 1x 1000HP Miliukov-37 radial engine; Empty weight - 2,925kg; Maximum weight - 4,080kg

Armament - 2x 14mm machineguns in wings, 1x 14mm MG in dorsal mount, 1x 20mm cannon firing through spinner

Armor - 12mm for pilot and gunner

Top speed - 245kts; Maximum altitude - 8,300m; Maximum range with no bombload - 1,800nm at 150kts

Combat radius with 500kg bombload - 300nm

Hmmmm, wait a second: a radial engine and a cannon firing THROUGH the propeller spinner (ie, the crankshaft)?? I don't think that's possible.....

Attack aviation is for the conduct of Deep Battle, to strike simultaneously throughout the entire depth of the enemy operational deployment, as the 1936 Polnoye Ustav put it. Its targets will be armored vehicles (the 20mm takes care of those ), and trains/trucks/wagons (I figure 1 incendary round per 4 AP will do nicely for those ).

For support against infantry, in offense or defense, artillery is the thing, and Russia's Army has no shortage of that.

For support against infantry, in offense or defense, artillery is the thing, and Russia's Army has no shortage of that.

## Quoted

Originally posted by AdmKuznetsov

ANT-35 Heavy Bomber

Wingspan - 39m; Length - 23.6m; Height - 6.2m; Wing Area - 188m2

Crew - 8; Engines - 4x 1650HP Miliukov-35 in-line engines

Sorry, but I need to ask: What´s that planes date of maiden flight?

Even with ~5-years ahead OTL I have a problem with a 1650HP engine....... We are in 1935 which allow UP TO 1940 OTL for planes. So that would be max. 1200HP Merlins, DB601Aa and the like, right? But 1650HP would require at least a DB603AS or DB0605L for example...

I'd say de-rate it a bit more for the period (say 1400 hp), unless it's a larger engine than a V-12 like the DB-603 or the Griffon. Then it would be a fair amount heavier (the DB-609, a 16 cylinder -603 derivative, was 1400 kg, vs 910 for the -603).

1986 lb for 1650hp is 0.8308 hp/lb

1986 lb for 1400hp would be 0.705 hp/lb, dropping the efficiency to 19.1% from 22.5%

For a mid-1930s design 19.1% efficiency is pretty low.

DB-603A 2036 lb for 1800hp is 0.8841 hp/lb, and its efficiency is 23.9%

I don't see how I'm pushing any design envelope here, and the one suggestion would drop the efficiency to a level not seen in many years.

I think the ANT-35 engines should stay the way they are.

1986 lb for 1400hp would be 0.705 hp/lb, dropping the efficiency to 19.1% from 22.5%

For a mid-1930s design 19.1% efficiency is pretty low.

DB-603A 2036 lb for 1800hp is 0.8841 hp/lb, and its efficiency is 23.9%

I don't see how I'm pushing any design envelope here, and the one suggestion would drop the efficiency to a level not seen in many years.

I think the ANT-35 engines should stay the way they are.

This post has been edited 4 times, last edit by "AdmKuznetsov" (Jan 14th 2008, 7:48am)

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