[AR] Re: ORS-4 ("Super Strypi") Hawaii launch delayed

  • From: Henry Vanderbilt <hvanderbilt@xxxxxxxxxxxxxx>
  • To: arocket@xxxxxxxxxxxxx
  • Date: Tue, 3 Nov 2015 19:49:33 -0700

There was also that Delta 2 out of the Cape some years later that disintegrated spectacularly when one of the solid strap-ons blew.

On 11/3/2015 7:28 PM, Rand Simberg wrote:

Like the 34D right after the Challenger loss, at Vandenberg, which could
have killed a lot of people in Lompoc if the wind had been blowing a
different direction?

On 2015-11-03 12:47, Henry Vanderbilt wrote:
Bill - where in that do you count liquid boosters that failed due to a
solid strap-on failure? I recall several such even without looking up
the records, which suggests this may be a statistically worthwhile
subcategory to break out.

Henry

On 11/3/2015 11:26 AM, rcktman (Redacted sender rcktman for DMARC) wrote:
Uwe:

The data set of all launches to orbit 1980 - 2010 shows solid rockets
having about 1/2 the failure rate of liquid rockets.

Bill

Sent from my Commodore 64.


-------- Original Message --------
Subject: [AR] Re: ORS-4 ("Super Strypi") Hawaii launch delayed
Local Time: November 3 2015 11:18 am
UTC Time: November 3 2015 6:18 pm
From: uwe@xxxxxxxxxxxxxxxxxxx
To: arocket@xxxxxxxxxxxxx

Am 03.11.2015 um 19:12 schrieb Henry Vanderbilt:

> My experience is, it doesn't matter how conceptually simple the

> propulsion concept is. By the time it's integrated into an actual

> operationally interesting vehicle, real world considerations will

> dictate that the overall package will be complex.

>

> (And if the vehicle actually does stay simple, there's a good
chance

> real-world considerations have been ignored and will come back to
bite

> it once it's flying. Naming no obvious examples...)



What is the failure rate for solid boosters if we

ignore BuSabInternal effects.





Hmm, stage trees.



uwe












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