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From: hue@island.com (Jonathon Hue)
Newsgroups: sci.military
Subject: Re: XB70 stats
Message-ID: <1991Jun18.074243.14625@amd.com>
Date: 15 Jun 91 05:42:29 GMT
References: <1991Jun13.055345.23046@amd.com>
Sender: military@amd.com
Organization: Island Graphics Corp., San Rafael, CA
Lines: 32
Approved: military@amd.com


From: hue@island.com (Jonathon Hue)


>Can someone compare the range, speed, payload, etc. of the XB70 vs. the
>B-52, B-1, B-2, etc. ?

"Rockwell: The Heritage of North American Aviation" (ISBN 0-517-67252-9)

			XB-70A Valkyrie		B-1A		B-1B
			--------------		----		----

First Flight:		1964			1974		1984
Wingspan:		105'			136'-9"		136'-9"
Length:			185'			151'-2"		147'
Height:			30'-8"			33'-7"		34'
Engines:		6 GE YJ93-GE-3		4 GE F-101-100	4 GE F100-102
			turbojets		turbofans	turbofans
Engine Thrust:		28,000 lbs		30,000 		30,000
Gross Weight:		521,056 lbs		389,800		387,000
Empty Weight:		231,096 lbs		172,000		172,000
Max Payload:		???			115,000		134,000
Crew:			2 (4 in bomber config)	4		4
Max Altitude:		75,500 ft		60,000		60,000
Top Speed:		Mach 3+			1320 mph	923 mph
Max Range:		4290 miles		6100		7455

Another book I have says the B-1B has a gross takeoff weight of 477,000 lbs
which I think is correct, because the B-1B is supposed to have an additional
80,000 lb of payload compared to the B-1A.

Jonathan Hue	Island Graphics Corporation	hue@island.COM