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Forum: Tech Log

27th Apr 2012, 17:57

Replies: 2,133

Concorde question

Views: 1,672,936

Posted By TopBunk

Sort of .... the aircraft expanded when at Mach...

Sort of .... the aircraft expanded when at Mach 2, so it grew in length etc. This growth translated itself into the gap that the hat was put in. When it cooled on decel/descent, the gap closed...

Forum: Tech Log

15th Jan 2011, 16:24

Replies: 2,133

Concorde question

Views: 1,672,936

Posted By TopBunk

I'll get back in my box then:ouch:

I'll get back in my box then:ouch:

Forum: Tech Log

15th Jan 2011, 13:26

Replies: 2,133

Concorde question

Views: 1,672,936

Posted By TopBunk

Landroger If you look here...

Landroger

If you look here (http://www.concordesst.com/history/events/pepsi.html) it suggests that it did fly on a limited number of flights.

"Afterwards, "Sierra Delta" started a promotion...

Forum: Tech Log

29th Dec 2010, 12:53

Replies: 2,133

Concorde question

Views: 1,672,936

Posted By TopBunk

I feel that I must pick you up there! As I see...

I feel that I must pick you up there! As I see the guages each engine is consuming 5.4 tonnes/hour. A B747-400 will consume about 10-11 tonnes/hour and not over 20! So over double the speed but...

Forum: Tech Log

10th Sep 2010, 07:09

Replies: 2,133

Concorde question

Views: 1,672,936

Posted By TopBunk

Not sure that the landing brake energy is more...

Not sure that the landing brake energy is more relevant, the RTO case must involve much more energy - a high speed, greater mass and less room to stop.

Anyway, at Max LW of 285 tonnes, the Vref25...

Forum: Tech Log

9th Sep 2010, 16:52

Replies: 2,133

Concorde question

Views: 1,672,936

Posted By TopBunk

M2D A B747-400 at max take off weight...

M2D

A B747-400 at max take off weight (398tonnes) ex LHR would typically have a V1 ~ 155 kts, a Vr of about 170 and a V2 of 182 kts, so not dissimilar V1 speeds, but very different Vr and V2.
...

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