Hello All,

Does anyone have more material on the Australian HAT (High Altitude Temperature) sounding rocket than *this* https://space.skyrocket.de/doc_lau/hat.htm photograph on Gunter Krebs's website? The HAT used the same second stage--a LAPSTAR motor with three Aerobee-Hi/150/200/300 sustainer-like fins (although much smaller than the Aerobees') and a cone-cylinder payload housing--as the second stage of the HAD (High Altitude Density) sounding rocket, and:

The HAD (see: https://space.skyrocket.de/doc_lau/had.htm and https://www.oldrocketforum.com/show...light=Carnarvon [it is also covered in Peter Alway's "Rockets of the World"]), which usually deployed a 6' (or 2 m) diameter aluminized polyester plastic film Arcas (or was that Arcis, or maybe Arcus...? :-) ) ROBIN-type balloon payload at apogee, for radar tracking of the edge-of-space winds, and thus the air density (although some HAD rounds carried instrumented payloads instead), used a Gosling first stage motor. But:

The HAT, whose first stage (two, clustered Demon rocket motors) was less powerful than the HAD's Gosling, carried a parachute-lowered, thermistor-sensor payload, which radioed the atmospheric temperature to the ground station. (These tidbits of information are from Peter Morton's 1989 book "Fire Across the Desert: Woomera and the Anglo-Australian Joint Project 1946 - 1980.") Also:

Some of Australia's sounding rockets are hardly covered at all, and the HAT is one of these. With the people who developed and used these vehicles now passing from the scene, the window of opportunity for documenting their development and use--not to mention the inspiring, and often-humorous, personal stories about their pioneering work--is rapidly narrowing. If not preserved, their stories will die with them.

Many thanks in advance to anyone who can help!

__________________
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