Japanese Army aircraft ; designation system Ki.

[Boogey]

I need some of Your help to complete my list of the Army aircraft.
The green highlightings in the list indicate that there are doubts concerning configuration or role
of an airplane.
If there really were double numbering of Ki-2, Ki-4 and Ki-7 ?
If in any case the producer in the list is placed properly ?
I've got many doubts and questions and I'll be very grateful for any answer
and indication of inaccuracy

 

[Jos Heyman]

According to Rene Francillon's Japanese Aircaft of the Pacific War:
Ki-2: Mitsubishi Army Type 93, Twin Engined Light Bomber, Japanese version of Junkers K-37
Ki-4: Nakajima Army Type 94, econnaissance plane
Ki-7: Mitsubishi Army experimental crew trainer

The book contains a full list of the Ki designations as well as other (complex) Japanese military aircaft designations.

 

[Boogey]

OK, but my " Encyklopedia Lotnictwa Wojskowego " t. 10 shows also :

- Kawasaki Ki-2, Type 88
> one-engined biplane, fixed gear, reco / light bomber of 1928
> 331 kW BMW / Kawasaki inline engine
> span : 15,2 m, lenght : 11,28 m, height : 3,38 m.
> empty : 1580 kg, max. : 2700 kg, max. speed : 230 km/h, ceiling : 6500 m, range : 900 km.
> two 7,7 mm mg ( pilot and gunner ) + 500 kg bombs ;

- Kawasaki Ki-4, Type 92 ( factory designation KDA-5 )
> fighter prototype of 1930, then built in two versions :
> model 1 of 1932 with 464 kW BMW / Kawasaki VI inline engine ( 180 machines series )
> model 2 of 1934 with 552 kW BMW / Kawasaki VII inline engine
> one-engined biplane, fixed gear, single-seat fighter
> span : 9,55 m, lenght : 7,05 m, height : 3,1 m.
> max. speed : 320 km/h, ceiling : 9700 m, range : 850 km.
> two 7,7 mm mg ;

- Kawasaki Ki-7, Type 91
> one-engined biplane, fixed gear, one-seat fighter of 1933
> 552 kW BMW / Kawasaki VI inline engine ( 350 machines series )
> span : 9,55 m, lenght : 7,05 m, height : 3,1 m.
> max. speed : 320 km/h, ceiling : 9500 m, range : 850 km.
> empty : 1280 kg, max. : 1700 kg, wing area : 24 m2
> two 7,7 mm mg.

What about the rest of my hesitancies ?
I'm inciting to dip into my virusless list

full of doubts and vacancies in Ki numeration.

 

[Jos Heyman]

No suggestions from my part. I am not an expert in Japanese aircraft but jst have the book on my shelves.
I suggest you try this in a Japanese specialist forum at http://www.j-aircraft.org/smf/index.php.

 

[lark]

Jos is very close with his ref. to R.Fran francillon book.

Misubishi Aircraft Co Ltd : Army Type 93-Twin Engine light bomber (Ki-2)

source:Japanese Aircraft 1910-1941--Robert C.Mikesh & Shorzoe Abe
Putnam.Conway Maritime.London 1990.page 184.
(according to the text,based on the Junkers K.37)

 

[Boogey]

It's OK, good people, but I've got Mitsubishi Ki-2, Nakajima Ki-4 and Mitsubishi Ki-7 in my list
since a long time.
Now I'm looking for a confirmation that my " Encyklopedia Lotnictwa Wojskowego " is right
and Kawasaki Ki-2, Ki-4 and Ki-7 really existed.
Have anybody seen the list at all, 'cause still You talk only about those three airplanes ?

 

[hatsudoki]

It's OK, good people, but I've got Mitsubishi Ki-2, Nakajima Ki-4 and Mitsubishi Ki-7 in my list
since a long time.
Now I'm looking for a confirmation that my " Encyklopedia Lotnictwa Wojskowego " is right
and Kawasaki Ki-2, Ki-4 and Ki-7 really existed

Have anybody seen the list at all, 'cause still You talk only about those three airplanes ?

The Type 88, Type 91 and Type 92 designations indicate that these aircraft were accepted for service in 1928, 1931 and 1932 respectively, which tallies with all my references.

The Kitai system was not adopted until 1933, and was intended for new aircraft development specifications from this time. I have not seen these Kawasaki Kitai dsignations anywhere else, and I suspect they are not original asignments.