Bloodhound LSR Thread As Requested...
Discussion
Max_Torque said:
Mave said:
Max_Torque said:
Mave said:
Yep.
The shock wave propagates from the nose and is straight at Mach 1 (ie if you were standing to the side of the car it would hit you at the same time the nose went past you) and then angles further back as the Mach number increases (to about 30degrees at Mach 2 for example) to form what looks like in arrow from above. So the further away you are from the path of the car, the later the shock wave reaches use; not because of the speed of the shock wave, but because of the geometry.
er, sorry to be pedantic but that's not quite right.The shock wave propagates from the nose and is straight at Mach 1 (ie if you were standing to the side of the car it would hit you at the same time the nose went past you) and then angles further back as the Mach number increases (to about 30degrees at Mach 2 for example) to form what looks like in arrow from above. So the further away you are from the path of the car, the later the shock wave reaches use; not because of the speed of the shock wave, but because of the geometry.
Above Mach 1, the include angle is less than 90 deg
At Mach 1.0 the included angle is 90 degrees
Straight would imply 180 degrees would it not.
In fact the shock wave has an included angle of 90 degrees at M1.0 so assuming we have equal primary shocks on either side of the car, those shocks actually stream back off the nose of the vehicle at a 45 degree angle on either side.
GOATever said:
The shock wave at Mach 1
hucumber said:
Do we need to be kept in the loop with regards to who is sponsoring them?
Agree. I think there were 300+ sponsors at any one time with varying levels of financial and In kind support. Notwithstanding the practicality of announcing, or as you say any need, I suspect most major sponsorships have tightly controlled agreements on messaging. As I remember it Richard N so too busy trying to keep the project financially afloat over 10 years to get into non value add activity.Gareth79 said:
I bought a copy of this print - the photographer's website is here: http://www.flymicro.com/photolib/index.cfm
There is another, lesser known, but equally impressive image of Thrust side on with the supersonic flow deforming the background in the photo. Chris Rossi was the photographer, you can search and buy it. I think Chris was a mechanic on Breedloves car.Dodgeball said:
hucumber said:
Do we need to be kept in the loop with regards to who is sponsoring them?
Agree. I think there were 300+ sponsors at any one time with varying levels of financial and In kind support. Notwithstanding the practicality of announcing, or as you say any need, I suspect most major sponsorships have tightly controlled agreements on messaging. As I remember it Richard N so too busy trying to keep the project financially afloat over 10 years to get into non value add activity.We know they are fairly squeezed financially - do we want them spending their limited funds on an ace social media expert, or a couple of extra oscillation overthrusters?
Great news that all the pressure taps on the car match the theoretical models.
Maybe it is down to careful publication the events going on, or maybe my memory of Thrust SSC is not quite as clear cut as I thought, but this seems to be going a lot smoother than Thrust SSC. Yes, they have had issues, but they have got all the right data and people to find the issue and fix it safely, before carrying on.
Maybe it is down to careful publication the events going on, or maybe my memory of Thrust SSC is not quite as clear cut as I thought, but this seems to be going a lot smoother than Thrust SSC. Yes, they have had issues, but they have got all the right data and people to find the issue and fix it safely, before carrying on.
Megaflow said:
Great news that all the pressure taps on the car match the theoretical models.
Maybe it is down to careful publication the events going on, or maybe my memory of Thrust SSC is not quite as clear cut as I thought, but this seems to be going a lot smoother than Thrust SSC. Yes, they have had issues, but they have got all the right data and people to find the issue and fix it safely, before carrying on.
Seems that way.Again memory of events isn't the best but I do know they struggled with the rear wheel steering A LOT on Thrust SSC. Also it's nice to see Andy not getting covered in dust in the cockpit. Maybe it is down to careful publication the events going on, or maybe my memory of Thrust SSC is not quite as clear cut as I thought, but this seems to be going a lot smoother than Thrust SSC. Yes, they have had issues, but they have got all the right data and people to find the issue and fix it safely, before carrying on.
Just the right side of 900 km/h too. Noice!
Running in cool stable air really helped the overall performance. Seeing all the pressure data correlating with the model all adds up to a good day at the office for the engineers and must give them confidence to burn a bit longer and go for 100 km/h.
Running in cool stable air really helped the overall performance. Seeing all the pressure data correlating with the model all adds up to a good day at the office for the engineers and must give them confidence to burn a bit longer and go for 100 km/h.
RumbleOfThunder said:
Seems that way.Again memory of events isn't the best but I do know they struggled with the rear wheel steering A LOT on Thrust SSC. Also it's nice to see Andy not getting covered in dust in the cockpit.
Yes Thrust has some challenges on rw steering (which was expected but the twin engine set up provided no scope for steering at front), parachute failures, suspension but it only took 5 years to complete and had a cash total cash cost significantly lower that what BH has spent. Different times financially but the Thrust achievement was remarkable on a shoestring. Much of the stability of BH now comes from Ian providing an ongoing cash flow for the momentgaryhun said:
I agree, they are making this look very easy indeed.
.
A great interview with Andy Green, suggesting that it’s not quite that easy....
https://www.topgear.com/car-news/andy-green-bloodh...
We all know Andy is special, but I wouldn’t want to be in the Pilots seat from that description.
sideways man said:
garyhun said:
I agree, they are making this look very easy indeed.
.
A great interview with Andy Green, suggesting that it’s not quite that easy....
https://www.topgear.com/car-news/andy-green-bloodh...
We all know Andy is special, but I wouldn’t want to be in the Pilots seat from that description.
He’s got massive cahoonas for sure!
RumbleOfThunder said:
Megaflow said:
Great news that all the pressure taps on the car match the theoretical models.
Maybe it is down to careful publication the events going on, or maybe my memory of Thrust SSC is not quite as clear cut as I thought, but this seems to be going a lot smoother than Thrust SSC. Yes, they have had issues, but they have got all the right data and people to find the issue and fix it safely, before carrying on.
Seems that way.Again memory of events isn't the best but I do know they struggled with the rear wheel steering A LOT on Thrust SSC. Also it's nice to see Andy not getting covered in dust in the cockpit. Maybe it is down to careful publication the events going on, or maybe my memory of Thrust SSC is not quite as clear cut as I thought, but this seems to be going a lot smoother than Thrust SSC. Yes, they have had issues, but they have got all the right data and people to find the issue and fix it safely, before carrying on.
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