Fondu fyre

Fondu Fyre, sometimes called Fondue Fyre, is a concrete developed for specialist application. Fondu Fyre is a heat resistant concrete developed during the Apollo space program.

Uses

The concrete is used in 2 different mixtures called WA-1 and XB-1. The XB-1 is used as a more fire and erosion resistant layer for covering WA-1 in areas which are directly exposed to the exhaust flame of a rocket engine.The concrete is used on the launch pads of the Kennedy space center on the flame deflectors.

Media

Fondue Fyre was used to repair the damage done on May 31, 2008 to launchpad 39A during the launch of the Space Shuttle "Discovery" on mission STS-124.

References

*http://www.nasa.gov/mission_pages/shuttle/behindscenes/shuttleflametrench.html
* [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19660020619_1966020619.pdf Design handbook for protection of launch complexes from solid propellant exhaust - march 1966 - NASA]

External links

* http://spaceflightnow.com/shuttle/sts124/080626paddamage/