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Parachute braking systems are critical to the design of safe land speed vehicles. On this page I have a series
of images showing chutes being deployed and how they sometimes fail to deploy properly, as well as chute attachment systems
used by cars at Bonneville.


All photographs copyright Larry Ledwick







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Chute deployment depends very much on the style of the chute and how it is mounted and rigged.
Below see some examples of chutes deployed and some types of chute deployment failures.




#A1
Triangular panel 3 lobe chute


#A2
Triangular panel 4 lobe cruciform chute.


#A3
Square panel cruciform pattern chute.


#A4
Triangular panel 4 lobe cruciform chute.


#A5
Square panel cruciform pattern chute.


#A6
Square panel cruciform pattern chute.




Fouled chute deployment, riser hung up on push bar.
#A7


#A8




Kite chute, where chute pulls high on first inflation then settles down to normal altitude.
#A9


#A10



Chute does not fill rapidly and drags the ground before inflating far behind the car.
Could be due to excessively long tether or not directing the pilot chute into the airstream when the chute pack opens.
#A11a


These two shots were taken about 2 seconds apart, the first about 1 second after the chute pack opened.
#A11


#A12
Ribbon chute.


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Following are some images of various cars chute pack mounting designs.

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#23
The owner of this car noted that this is an old picture. The chute mount point was too low
causing the sensation that the rear wheels were getting jerked off the ground on chute release.
The mount was raised about 6" to eliminate this problem and the new location is much better behaved!



#23a
This is the current mount point as of 2011 speed week.


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