David Tremayne's Stay Gold

User avatar
Richie
Posts: 1280
Joined: Mon Mar 07, 2011 3:12 pm

Re: David Tremayne's Stay Gold

Post by Richie » Wed Aug 23, 2017 11:00 am

We need to take the tails off those bolts holding the screen in place.
Clarence come out ov zat tank at vonz !

User avatar
midlife
Posts: 258
Joined: Tue Nov 22, 2016 11:59 pm
Location: Colne, Lancashire

Re: David Tremayne's Stay Gold

Post by midlife » Wed Aug 23, 2017 11:32 am

Richie wrote:We need to take the tails off those bolts holding the screen in place.
That's a classic response Richie[.][.]

I must say I'm really envious of all you guys & gals, your abilities, skills and dedication are second to none.
Must be awesome to be involved in all these interesting & historical projects!!
Cheers
Wayne


.

User avatar
Renegadenemo
Posts: 4939
Joined: Mon Dec 01, 2008 12:29 pm
Location: N E England
Contact:

Re: David Tremayne's Stay Gold

Post by Renegadenemo » Thu Aug 24, 2017 1:23 pm

I was a bit dubious about playing with a jet car. I've always viewed them as, well, a bit amateurish and dangerous and as for all this gratuitous popping and banging and sheets of flame, that should be reserved for people who think Subarus are cool cars.
But here was a chance to work with a different gas turbine and it was interesting to catch and kill the gremlins one by one until we got to Friday afternoon and were able to give the machine full power. And then it fell over! but, nothing daunted, not much repair work needed and there's oodles more performance to be extracted if it's needed so we'll keep at it...
I'm only a plumber from Cannock...

"As to reward, my profession is its own reward;" Sherlock Holmes.

'Sometimes you gotta be an S.O.B if you wanna make a dream reality' Mark Knopfler

User avatar
midlife
Posts: 258
Joined: Tue Nov 22, 2016 11:59 pm
Location: Colne, Lancashire

Re: David Tremayne's Stay Gold

Post by midlife » Thu Aug 24, 2017 1:45 pm

If you need someone to clean your spanners (nearly wrote tools gulp) I'm your man Bill!
Cheers
Wayne


.

jonwrightk7
Posts: 376
Joined: Fri Dec 05, 2008 8:53 pm
Location: sandbach cheshire

Re: David Tremayne's Stay Gold

Post by jonwrightk7 » Thu Aug 24, 2017 8:00 pm

What a brilliantly written piece!
The world is full of Kings and Queens; who blind your eyes, then steal your dreams..

User avatar
ted.walsh
Posts: 118
Joined: Mon Jan 03, 2011 11:25 am

Re: David Tremayne's Stay Gold

Post by ted.walsh » Fri Aug 25, 2017 12:54 pm

not seen the video before.... so it all goes wrong as he gets off the gas, is it the precession that changes and gets him or was it something else?

User avatar
Renegadenemo
Posts: 4939
Joined: Mon Dec 01, 2008 12:29 pm
Location: N E England
Contact:

Re: David Tremayne's Stay Gold

Post by Renegadenemo » Fri Aug 25, 2017 1:47 pm

not seen the video before.... so it all goes wrong as he gets off the gas, is it the precession that changes and gets him or was it something else?
No definitive answer but it would appear to be a combination of the setup of the car and the met conditions at the time. Just one more gremlin to catch and kill. Most importantly, both car and driver are in good shape.
I'm only a plumber from Cannock...

"As to reward, my profession is its own reward;" Sherlock Holmes.

'Sometimes you gotta be an S.O.B if you wanna make a dream reality' Mark Knopfler

User avatar
thunderer
Posts: 130
Joined: Fri Jun 19, 2009 12:18 am
Location: London UK
Contact:

Re: David Tremayne's Stay Gold

Post by thunderer » Mon Oct 02, 2017 11:34 pm

according to tat article (linked above), The incident was invoked by the parachute mounting position, which then lifted the rear wheels....

Sounds a tad dubious yet at the same time, it also sounds quite feasible too oddly enough.

I have heard of such incidents with R/C jet powered rails (I know, wrong terminology), though they were not running at over 250 mph.
Just cos my username is Thunderer, doesn't necessarily mean I SHOUT !!
"A vehicle is designed to be used, restored or otherwise" A personal response on the question "you have just restored it, why use it?"

User avatar
Renegadenemo
Posts: 4939
Joined: Mon Dec 01, 2008 12:29 pm
Location: N E England
Contact:

Re: David Tremayne's Stay Gold

Post by Renegadenemo » Tue Oct 03, 2017 3:23 pm

The incident was invoked by the parachute mounting position, which then lifted the rear wheels....

Sounds a tad dubious yet at the same time, it also sounds quite feasible too oddly enough.
Because the parachute was mounted to the lower frame member there is a vertical component that tries to lift the back of the car when the 'chute is deployed but it's of no concern at the speeds we were achieving so long as we're going in a straight line. Where it appears things got out of hand was when the 'chute fired into a crosswind introducing a horizontal component too such that the rear of the car was lifted and jerked to the right whereupon it tripped over the right, rear wheel. The 'chute then kept everything sliding in a fairly straight line until it ran out of authority as the speed decayed and the whole shooting match completed a single lazy roll before flopping back onto its wheels. It seems likely that the 'chute mounting position had little or no relevance in the circumstances. Not completely sure on that one - will report in due course.
I'm only a plumber from Cannock...

"As to reward, my profession is its own reward;" Sherlock Holmes.

'Sometimes you gotta be an S.O.B if you wanna make a dream reality' Mark Knopfler

User avatar
Richie
Posts: 1280
Joined: Mon Mar 07, 2011 3:12 pm

Re: David Tremayne's Stay Gold

Post by Richie » Wed Oct 04, 2017 7:14 pm

I would opine that the position of the chute anchor points were in the best place possible and were not a causative or contributory factor, to raise them would only serve to create a greater lever when the chute is deployed, as such it would take less effort for the chute to pull the car over, especially if there is a lateral component present (ie cross wind).


With regards to Bill's comments on the car tripping over, I would expect to see some rather nice dark black banana shaped tyre marks on the runway surface in an arc travelled by the car as the wheel has offered the tyre side wall to the road surface... You might even see some striations in the marks pending on the nature of the cars movements immediately before it rolled onto its side. Alas I was not there to see it for myself, but I have no doubt the car left a smorgasbord of data behind, post collision.


I would say fit a small drogue chute to shave some of the speed off before the main chute deploys, however, I am told space is a premium at the site.

perhaps air brakes like the buccaneer used to have, or reverse thrust nozzle on the jet pipe.

anyways... enough crazy talk from me ! :lol: :lol: :lol: :lol:
Clarence come out ov zat tank at vonz !

Post Reply