Sukhoi Su-27 pre-projects, projects & prototypes

[flateric]

"Victory has a hundred fathers and defeat is an orphan."

 

[youROKer]

From "85th Anniversary of Sukhoi design buro":

1. Early Su-27M.
2. T-10Sh strike fighter
3. Su-27Sh strike fighter
4. T-10E (Su-34) strike fighter
5. Su-27R recon plane based on T-10E

 

[AGS-1787]

Wow su-27XXL

 

[fightingirish]

Wow su-27XXL

Here another version of that picture 1732029122039.png, this time with more text.
Many thanks to @QuadroFX and other Russian members.
Main Source:
"85th Anniversary of Sukhoi design buro"