by typhoonzsmk
How accurate is this picture do you think QuadroFX?
If it’s accurate, we may have some deep weapon bay since the spine is pretty big.
Thank you.
I believe that the forward bay houses a six shots rotary launcher, in that area the fuselage is clearly deep enough.
The aft bay may be reserved for two larger weapons, possibly ASMs, or three staggered BVR missiles.
As far as the wings fairings, they seem too small for any BVR weapon, perhaps housing one IR snapshot each.
Even the Raptor only carries two Sidewinders.
I think that that 6 in a weapon bay is a little bit too much.
I draw a basic layout as follow:
Assume that the diameter of the biggest area of a R-77 is 350mm and the driving fin at the end of the missile is foldable.
If it’s the case, the weapon bay depth will be greater than 1050mm which is not really feasible.
I guess that the weapon bay depth will be around 700-800mm to allow it accomodate R-33 type or X-58 type missile and the width will be around 1.2-1.4m.
http://paralay.iboards.ru/viewtopic.php?style=12&p=63095#p63095
Do you guys think that the external pod will affect RCS even if had enough RAM treatment?
Also, another issue is that how will it affect maneuverability? Since in the picture show that it will store the short range AAMs for WVR so the pilot can not cut them loose to prepare for dogfight.
I think that the weapon bay in the drawing is also too shallow since the bay should be able to accommodate long range AAMs, or KH-58 for anti ship purpose.
Look at this picture from paralay:
Do you think that the outer diameter of the engine on Su-27 and PAK-FA is the same? I think the one on PAK-FA looks bigger or is it just the size of picture is deceptive or PAK-FA looks shorter therefore its engines look fatter?
Personally I think the bay that was tested on the Su-47 is a smaller version of the PAK-FA’s weapon bay. In that case I think that the bay on the PAK-FA will be able to accomodate at least 6 R-77s and two short range R-73/74s in the small pod under the wing and that will bring them 8AAMs in internal storage.
Let’s look at these pictures:
Proportionally, the weapon bay on Su-47 is roughly 1/14th to 1/15th of the wing span which brings it to the width of around 1m (Su-47 wing span is ~15m)
On the PAK-FA, the weapon bay is roughly 1/10th of the wing span, which will result in the width of around 1.4-1.5m (PAK-FA estimated of wing span of 14.8m)
Hypothetically if the weapon bay of PAK-FA has the estimated width of 1.4-1.5m, the chance that it will be able to hold 4 R-77s each bay is quite possible since the R-77 wing span is 350mm and the version on PAK-FA should have foldable wings. Also, the weight of a normal R-77 is 175kg, so if it’s 4 R-77 each bay it will be 700kg which corresponds to some earlier speculation that each pay can hold up to 700kg of payload.
Just some of my thought. What do you guys think? 🙂
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