Polish Glider designed by I.S. (Instytut Szybownictwa)

[hesham]

Hi,


here is from the Sailplane and Glider magazine,the IS-6X and a small info about
IS-7,I don't know the second aircraft in the drawing was IS-7 or not ?.

 

[hesham]

From the same source;


here is the IS-5 Kaczka.

 

[Maveric]

Hi hesham,

this I.S. stand for the polish Instytut Szybownictwa, not for Iosif Silimon!

 

[hesham]

OH yes sorry for that mistake.

 

[Retrofit]

Hi,


here is from the Sailplane and Glider magazine,the IS-6X and a small info about
IS-7,I don't know the second aircraft in the drawing was IS-7 or not ?.

Not the IS-7, only some evolutions of the IS-6X (Source: Unknown):

 

[hesham]

Thank you my dear Jemiba,and great find my dear Retrofit.

 

[hesham]

From Ailes 10/1949.

 

[hesham]

A large drawing to it from Der Flieger 1950.

 

[Silencer1]

I kindly suggest you to visit the Youtube channel, where a lot of Polish aircraft and gliders represented.
Generally, on Polish language, although a number of them have been translated to English:
including the IS-4 Jastrzab

View: https://www.youtube.com/watch?v=GmanqQVw9bA