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Super Sabre / Voodoo Maximum Speed  
User currently offlineBlackbird From , joined Dec 1969, posts, RR:
Posted (7 years 1 month 1 day 21 hours ago) and read 2106 times:

I remember on this forum, on a topic about the J-57 engine, discussion about the F-100 and F-101 speed capability.

The F-100 possessing a maximum speed of Mach 2, and the F-101A/C capable of Mach 2.25, and the F-101B capable of Mach 2.4

Being that the F-101A/C carries her weapons internally, and the -101B only carries two missiles externally at most, the airplane's speeds arent largely affected by weapons hanging on the fuselage... but is the F-100 capable of Mach 2 fully loaded, moderately loaded, or is it just able completely clean?

Andrea Kent

8 replies: All unread, jump to last
 
User currently offline474218 From United States of America, joined Oct 2005, 6340 posts, RR: 9
Reply 1, posted (7 years 1 month 1 day 21 hours ago) and read 2097 times:

The top speed of the F-100D was 864 mph (Mach 1.35) at 35,000 feet. The F-101B's top speed was 1,220 mph (Mach 1.85) at 40,000 feet. Reference "U.S. Fighters" by Lloyd Jones Aeropublishers, Fallbrook, Califoernia 1975.

User currently offlineFTOHIST From United States of America, joined Mar 2004, 73 posts, RR: 0
Reply 2, posted (7 years 1 month 1 day 19 hours ago) and read 2067 times:

Would have been interesting to know the performance difference of GE's F-101 with its J79's instead of 57's. Top speed wouldn't have been much different, but acceleration must have been a kick!

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User currently offlineBlackbird From , joined Dec 1969, posts, RR:
Reply 3, posted (7 years 1 month 1 day 17 hours ago) and read 2035 times:

KC135TopBoom said that the F-100 could do Mach 2, and the F-101A/C 2.25, and for the F-101B 2.40.

Andrea K


User currently offlineMrChips From Canada, joined Mar 2005, 927 posts, RR: 0
Reply 4, posted (7 years 1 month 1 day 11 hours ago) and read 2011 times:

Quoting 474218 (Reply 1):
The top speed of the F-100D was 864 mph (Mach 1.35) at 35,000 feet. The F-101B's top speed was 1,220 mph (Mach 1.85) at 40,000 feet.

I'm inclined to believe these numbers are correct. A friend of mine - an older gentleman - flew the CF-101 Voodoo with the RCAF for many years (essentially the same aircraft as the F-101B), and I remember from my discussions with him that the fastest they could go was Mach 1.8, following the "ideal flight profile". In reality, Mach 1.5 was a struggle.



Time...to un-pimp...ze auto!
User currently offlinePtrjong From Netherlands, joined Mar 2005, 3901 posts, RR: 19
Reply 5, posted (7 years 1 month 1 day 11 hours ago) and read 2009 times:

Quoting MrChips (Reply 4):
KC135TopBoom said that the F-100 could do Mach 2

Must have been a mistake, he probably knows better. Actually the F-100 was the first service fighter that could do Mach 1 in level flight. Why don't you buy a good reference book, or visit a good reference website.

http://home.att.net/~jbaugher1/f100.html

Peter Smile



The only difference between me and a madman is that I am not mad (Salvador Dali)
User currently offlineBroke From United States of America, joined Apr 2002, 1322 posts, RR: 3
Reply 6, posted (7 years 1 month 1 day 5 hours ago) and read 1940 times:

The early operational US supersonic fighters had a relatively simple inlet system which caused enough drag to limit their maximum Mach number. The later fighters have a multi-shock inlet that would use the shock waves to produce additional compression to the engine with reduced drag. The multishock inlet is complicated due its design and operation and was deleted from the B-1B where it was standard on the B-1A, for example.
The inlet system on the SR-71 produces enough compression in the inlet to account for 57% of the total thrust generated by the inlet, engine, and exhaust system at Mach 3.2. The engine itself produces only about 17% of the total thrust.
None of the first generation US fighters were capable of speeds much beyond Mach 1.4.


User currently offlineDL021 From United States of America, joined May 2004, 11446 posts, RR: 76
Reply 7, posted (7 years 1 month 1 day 3 hours ago) and read 1931 times:
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Quoting Blackbird (Thread starter):
The F-100 possessing a maximum speed of Mach 2,

Not accurate.

Quoting Blackbird (Thread starter):
but is the F-100 capable of Mach 2 fully loaded, moderately loaded, or is it just able completely clean?

Still not accurate.

Quoting FTOHIST (Reply 2):
performance difference of GE's F-101

The F-101 was a McDonnell product. GE made and still makes engines. You may have been thinking GD for General Dynamics which bought Consolidated and Vultee (Or Convair as it was known prior to purchase by GD) which made the F-16 prior to it's being purchased by Lockheed.

That's alot of stuff to say at once.

Quoting Blackbird (Reply 3):
KC135TopBoom said that the F-100 could do Mach 2, and the F-101A/C 2.25, and for the F-101B 2.40.

He knows alot of stuff, but if he actually said this he was mistaken, or misunderstood. The F-102/F106 may have been what he was discussing, since they were mach 1 and 2 fighter/interceptors respectively.

Quoting Broke (Reply 6):
The multishock inlet is complicated due its design and operation and was deleted from the B-1B where it was standard on the B-1A, for example.

The Bone is still capable of supersonic dash, but it's limited to about mach 1.2 or 3 for short periods. It will fly at .95 or so right-down-on-the-ground though....pretty damned impressive for an airplane it's size. Too low for anything but a preplanned flak trap or that golden bb to hurt it.

Problem is that most of it's targets had flak traps set up along likely avenues of ingress.



Is my Pan Am ticket to the moon still good?
User currently offlineFTOHIST From United States of America, joined Mar 2004, 73 posts, RR: 0
Reply 8, posted (7 years 1 month 20 hours ago) and read 1882 times:

Quoting DL021 (Reply 7):
Quoting FTOHIST (Reply 2):
performance difference of GE's F-101

The F-101 was a McDonnell product. GE made and still makes engines. You may have been thinking GD for General Dynamics which bought Consolidated and Vultee (Or Convair as it was known prior to purchase by GD) which made the F-16 prior to it's being purchased by Lockheed.

I was referring to the first F-101A, 53--2418, which was bailed to GE Flight Test at Edwards AFB. It flew with 2 J79's instead of the standard J57's.


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