The Bud rocket was a three wheeler and belonged to Hal Needam with Stan Barrett aboard.
It's final run was at Edwards AFB in the dirt and was attempting to go the speed of sound.
The detailed paperwork for both should be on file with the FIM.
Neither machine set a speed record under FIM rules and the Bud did not record a single speed in excess of the speed of sound under the conditions that prevailed.
The Bud machine attempted to increase the time at speed with the addition of a Sidewinder Solid Rocket motor but failed to sustain the initial speed provided by the rocket power alone.
They were both a case of the figures didn't figure.
It happens to everybody. 
"Theoretical speeds are achieved by theoretical projects."
The first three wheeler of the series was the SMI Motivator which was original built for Billy Meyer (original named Aquaslide 'n Dive Special), a well known dragster driver, the project had to be sponsored by one of his father company.
The car was built by William Frederick (from Woodland Hills in LA), this guy had built the Valkyrie jet car in 1962 (with driver Gary Gabelich) but he didn't run to insurance problems. The Valkyrie was sold to Art Malone and he run the car named US1 on the drag strip.
Fredrick done at first a concept test car the Courage of Australia which was run from John Paxson.
Hal Needham bought the drive in the car, as the first driver for the SMI. Second driver was Kitty O'Neil (Hamilton)
First attempts was at Bonneville in 1976, but didn't work out - the team went to Alvord in Oregon and Kitty set a FIM record for cycle cars. Later Hal Needham tried the SMI on other dry lake, he bent the car and his own ego..
Than Budweiser went in and Fredrick built the first Budweiser rocket - a lot of people think that the Budweiser is a repainted SMI - but the SMI was damaged and is own by Nina Rindt.
The first Budweiser was driven at Bonneville by Stan Barret, after Needham couldn't handle them again not.
Stan went into trouble with the car, done a 45 degree turnout and bend the chassis of the rocket car.
Fredrick built a second Budweiser rocket car which was used in Edwards. At first the car went not fast enough, also the fuel was not enough to go through the mile marker. So they add a sidewinder solid fuel rocket inside the parachute box.
They said at last they done the sound barrier.
Also they showed some certification from famous people that the car done the boom.
But if you look on the speed on the 1/100 of a mile (by satellite!) and the measured mile, it didn't mathematically match together.
The paper from Chuck Yeager was by purpose misinterpreted - they said he confirmed the breaking of the sound barrier. When I talked to Chuck at Black Rock, he told me that he only wrote, that with the concept a breaking could be possible, but not that Stan broke the Sound Barrier - and also, he was not there when Stan run the "speed of sound", the picture which shows Chuck interviewing Stan was done before.
The Edwards car was for a while in the Smithsonian in Washington, but after some letters with the museum some years ago they understand that this shown speed couldn't be right and they done the car out of the museum - he is now in a sheet somewhere in Indiana.
The Bonneville car is converted into the Edwards shape and stand in Hall of Fame for Nascar in Talladega/Alabama
The third Budweiser, a mock up, is by Richard Childress (the owner of the late Dale Earnhard race car). Richard was one of the sponsor of the car).
At last, the concept from the SMI and the Budweiser was different in the power unit - the SMI could be refueled in time to do the 2 hour turnaround for FIM - to fuel the Budweiser it need 24 hours.........this would be too long for SCTA....
