"Big Mouth" F-16 Tech Question

Modeling Subjects Aircraft
1

I have read several articles about the F-16C Block 30 and
the two different engines it could fit (the P&W and the more
powerful GE). The earlier Block 30’s had the P&W engine
with the smaller intake, while later Block 30’s (variants “D”
and up) had the “big mouth” intakes. So far so good…

But what about the Block 40/42 aircraft?

Sources say that the Block 40 used the GE engine, and the
Block 42 used the smaller engine P&W engine, but I am having
trouble finding if the Block 40 also had the “big mouth” intake,
like it’s predecessor the F-16C Block 30D. I assume that the 40
does have the big mouth, but I would love to have verification.

Thanks for reading…

2

This is what i found

The configured engine bay has options for either the General Electric F110-GE-100 (Block 40) or the Pratt & Whitney F100-PW-220 (Block 42), although the two engines are not routinely interchangeable. The Block 40 F-16 has a larger air intake than that of the Block 42 because of the greater airflow requirements of the F110 engine.

Heres the link to where i found it. http://www.airtoaircombat.com/background.asp?id=8&bg=36

3

You da’ man!

Thanks

4

IL2windhawk;

Here is a breif history on the differances between the P.W. powered and G.E. powered F-16’s, the F-16C’s & D’s are quite different then their older brothers the F-16A’s & B’s, starting with the Block 30’s when they where being manufactured Pratt & Whittney’s F-100 engines where having major problems in both F-15’s & F-16’s they had been having major compressor stalls and failure of the compressor sections causing the engines to literily to explode and thus causing the F-16’s to crash, the USAF needed a new engine for the F-16’s and G.D. (General Dynamics now Lockheed-Martin) then came up with the concept of dual engined fighter series in the F-16 blk 30 airframe but the new engine required more air so G.D. redesigned the inlet for the new engine, after the new inlet was autherized for use P.W. fixed the problems in the F-100 engines, now G.D. has a slight problem with the airframes now that they now have 2 different engines for the same airframe so G.D. came out with the blk 32 airframe for the older style P.W. F-100 engines with the old style inlet, and the late blk 30 for the newer style G.E. F-110 engines, and for the next block of airframe upgrades in block 40 aircraft G.D. (Now Lockheed-Martin) desided to keep the -0 blk airframes as the G.E. engined airframes and the -2 blk airframe as P.W. engined airframes.

Here is a basic break down of the blocks of F-16’s

Block 2, 5, 10; F-16A’s & B’s with short stabilators, VHF & ILS antennas on bottom of inlet in front of the nose landing gear.

Block 15, 20; F-16A’s & B’s with long stabilators, VHS antenna inbetween the ventral fins (Bottom fin at the rear of the plane, ILS antennas under the nose just aft of radome.

Block 25; F-16C’s & D’s; ASPJ added to base of vertical stabilizer, VHF antenna is tappered, gun door has now have only 2 vents not 7, and canopy is tinted.

Block 30; F-16C’s & D’s; vent added to front of ASPJ, vent added to lower left chine just aft of canopy, (early) small inlet with F-100 engines, (late) large (Big Mouth) inlet with F-110 engines also RAW antennas on out board leading edges of wing’s.

Block 32; F-16C’s & D’s; same as early blk 30, Small Mouth inlet with F-100 engine

Block 40; F-16C’s & D’s also known as CG or DG; 2 added stores on lower inlet for FLIR/LANTIRN pods, FLIR/LANTIRN pods, bulged main gear doors, wider main gear wheels & tires, NVIS heads up display (HUD), Big Mouth inlet & F-110 engine

Block 42; F-16C’s & D’s; Same as blk 40’s but Small Mouth inlet & F-100 engined

Block 50; F-16C’s & D’s also known as CJ or DJ; same upgrades as blk 40 & 42, upgraded avionics, carries HARM missiles instead of bombs, Big Mouth inlet & F-110 engine

Block 52; F-16C’s & D’s; same as blk 50’s but Small Mouth inlet & F-100 engine

Block 60; F-16E’s & F’s; Conformal Fuel tanks, IR sensor on top of nose just forward of the canopy, Big Mouth inlet & F-110 engine

Block 62; F-16E’s & F’s same as blk 60’s but Small Mouth inlet & F-100 engine

5

Thanks Cuda.

I’ll reference back on those antenna positions as I build.

Regards

6

Hasegawa has done just about all the F-16’s correctly but they never ran the early F-16 blocks 2 through 10, also those blocks have a different external power receptical door too, it’s not a small door but it’s a long and norrow door that goes almost under the inlet on the R/H side of the inlet, while speaking of the power doors the F-16C’s & D’s have a door on the left side of the inlet that looks like a mirror image of the EP door (thats on the right side) but it’s for the MAPS interface, I can’t remember if the C & D model kits have this door or not but look for a small rectangle type door on the R/H inlet part and look for the same panel on the L/H inlet part, if not, it’s easy to scribe the panel lines in to dispict the door to have a correct F-16 blk 25 to 62 model, also the VHF antenna that inbetween the ventral fins will need to tappered just cut from the forward base to the aft top to get the antenna to have the correct look. also I for got to tell you there is a small inlet scoop on the R/H side above the R/H ventral fin for the Stand By Generator Control Unit on the F-16 blocks 25 to 62 too. I can’t really give you the correct location but if you have any refferances that show the R/H side between the wing & stab’s you’ll see it