
Datafile
Do17K was medium day and night bomber and recognize with crew of three men. Construction was all metal with shoulder wing and twin verticals.
Wings had a rounded
tips and 18 m in span. It consisted of two main spar and frames. Fuel and oil
tank was housed in the inner side of the wing. Two engines were also positioned
on wing with nacelle. Inside of the nacelle was retractable landing gear. Two
types of wings were used on Do17K. One models used on Ka and it had partially
fabric covered lower side and engine was placed on 5 m distance. On Kb models
wing was all metal, with heated leading edge and engines was more separated 5,
42 m. Ka also used slotted type of flaps. After reintroducing of long nacelle,
Kb wings had flaps spited into four parts.
Fuselage was of monocoque all
metal construction and total length was 16, 48 m. On the front was unglazed nose
and two types were used, with more or less transparent panels. Behind the nose
was pilot’s cockpit with place for two men, pilot and observer. Canopy was of
two styles, symmetrical from German delivery and asymmetrical manufactured in
DFA. In the back side of the cockpit was gunner compartment and boards with
various devices and panels. Bomb bay was in the center section of the plane just
behind the gunner place. In front and the behind of the bomb bay was entry
doors, on port side only. Auxiliary fuel tank was in the fuselage aft of the
bomb bay.
Several of equipment was placed in fuselage. Radio equipment includes FuG III Telefunken 274 af radio station, directional finder Telefunken 128 H and compass P63 uN. Fire exguisher and battery was in gunner compartment. Nine air inhalator bottles was placed in the aft fuselage on Ka models and on Kb it might to be 15. All was Drager type and 2 l each.
Powerplant consisted
of two radial fourteen cylinder double row Gnome Rhone engines. Power on take of
was 770 HP and 850 HP at 3850 m height. Engines had one clock and the other
clockwise rotation. Total weight of both engines was 1900 kg but recce version
weighted 1940 kg. Propellers were three blades metal constant speed VDM, 3, 3 m
in diameter. Engines used 87 octane fuel and total of 1880 l could be carried.
Armament differs from production blocks. All of the planes delivered from Dornier had defense armament consisted of two Darne 7, 7 mm machine guns and two of the same type fixed in nose for attack. Yugoslav built samples had all FN machine guns. First block DFA had four 7, 9 mm cal of them but later block had in the cockpit 13, 1 mm cal gun. Many of statements direct that 20 mm cannon were installed in nose of some DFA produced planes. Offensive load on Dornier planes could be carried on two internal Maga 4/85 bomb racks and external P.V. 125 racks. Total of eight internal bombs could be carried. There was Stankovic cal. 106 used. On the external pylons could be load 106 or 200 kg bombs. That was identical bomb load for first block from DFA but later was introduced two cluster racks UD 32 with 32 bombs cal 12 kg. Later that was converted to carry more bombs. Also was version with twelve 90 bombs. In recce missions bombs are not to be used and one 55 kg camera was placed in the nose.


|
No |
Subject |
Data |
Note |
|
1 |
Type |
Do17Ka-2 |
Medium range reconnaissance or day/night bomber with three men crew |
|
2 |
Fuselage length |
16480 mm |
|
|
3 |
Wing span |
18000 mm |
|
|
4 |
Tail plane span |
5648 mm |
|
|
5 |
Wing area |
55 square meter |
|
|
6 |
Overall height |
4350 mm |
|
|
7 |
Wheel track |
5000 mm |
|
|
8 |
Empty weight |
4660 kg |
|
|
9 |
Take off weight |
7000 kg |
|
|
10 |
Maximum weight |
7500 kg |
|
|
11 |
Main fuel tanks |
1400 l |
Two tanks in wing |
|
12 |
Fuselage tank |
480 l |
For reconnaissance missions |
|
13 |
Powerplants |
Two Gnome Rhone 14K, double row radials |
Port engine 14K NO11, starboard 14K NO10 |
|
14 |
Take off power |
770 HP |
|
|
15 |
Cruise power |
850 HP |
At 2280 rpm and 3850 m |
|
16 |
Maximum power |
870 HP |
At 2400 rpm and 3850 m |
|
17 |
Engine weight |
1940 kg |
40 kg heavier then those used on standard bomber |
|
18 |
Fuel |
87 octane |
|
|
19 |
Lubricant |
Castrol L |
Total of 240 l in two wing tanks |
|
20 |
Propeller |
VDM three blade constant speed |
3300 mm in diameter, clock and clockwise rotating |
|
21 |
Max level speed |
438 km/h |
At 3850 m |
|
22 |
Max dive speed |
510 km/h |
|
|
23 |
Max cruise speed |
417 km/h |
|
|
24 |
Top ceiling |
9000 m |
|
|
25 |
Service ceiling |
3200 m |
|
|
26 |
Climb |
6ooo m in 10 min |
|
|
27 |
Combat radius |
1438 km |
4,38 hours, in recce mission |
|
28 |
Ferry range |
1780 to 2000 km |
|
|
29 |
Take off run |
440 m |
|
|
30 |
Landing run |
350 m |
|
|
31 |
Defense armament |
Two Darne 7,7 mm machine guns, one on belly and the other on dorsal bow, each with 250 round |
Later were converted to carry one more machine gun in port side of the nose |
|
32 |
Offensive load |
Eight Stankovic type bombs, 106 kg each, internally carried |
Option for two more 200 kg bombs on external racks, GV-219Z aiming device |