Antiques Roadshow/Cockpit Discussion

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kneeslider
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Re: Antiques Roadshow/Cockpit Discussion

Post by kneeslider » Tue Jun 15, 2010 1:26 am

Renegadenemo wrote: If you study the pics carefully you can see an opening at the base of the fin to vent the interior. How well it worked is anyone's guess though I reckon we're going to find out.
Ta for that Bill, curious! The positioning of both the pitot head and the static vent would have had do be done with some thought in a marine environment because of all the water sloshing around. I'll have to have a good look at some pictures of the static vent on the base of the fin. Normally on an aircraft, it would just be on the side of the fuselage, but that would probably be too ready to be filled up with water. I wonder why it couldn't be put on the side of the fin?

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Renegadenemo
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Re: Antiques Roadshow/Cockpit Discussion

Post by Renegadenemo » Tue Jun 15, 2010 1:33 am

The fin is straight off the Gnat and is stuffed full of structure and was never designed to have a static head in it. They took two lengths of aluminium pipe down the right-hand side then plugged them into a pair of yellow, plastic lines at the aft end of the engine cover for the final run to the fin. The static side was fitted with an air bleed, presumably to give some fine-tuning for the ASI, and they cut a slot at the base of the fin and pried it open. Typical K7 - a lash-up from one end to the other.
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malcolm uk
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Re: Antiques Roadshow/Cockpit Discussion

Post by malcolm uk » Tue Jun 15, 2010 8:09 pm

Thats a great closing statement Bill ..................... just a pity that none of the true Anoraks has lept back on the attack and quoted DMC on the engineering involved in the endeavour.

Malcolm
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sheppane
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Re: Antiques Roadshow/Cockpit Discussion

Post by sheppane » Tue Jun 15, 2010 10:02 pm

malcolm uk wrote:Thats a great closing statement Bill ..................... just a pity that none of the true Anoraks has lept back on the attack and quoted DMC on the engineering involved in the endeavour.

Malcolm
'' How are you going to improvise?''....

''That's just it... It's probably where the British are still the worlds masters.... the Right way to go about it would be to...''

There you go... A relevant DMC quote...

The truth is there was not to much money around... and therefore some of the solutions might not have been as elegant as those, on say CN7...
'When you go down into the arena, you know that sometimes, you're likely to get your nose punched. You do it with your eyes open. You take the risks'

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Renegadenemo
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Re: Antiques Roadshow/Cockpit Discussion

Post by Renegadenemo » Tue Jun 15, 2010 11:58 pm

The truth is there was not to much money around... and therefore some of the solutions might not have been as elegant as those, on say CN7...
I'd wager that had CN7 had an as long, illustrious and successful career as K7 she'd have been a lash-up too by the end just as if the 1954 K7 had gone out and got a single record before being retired she'd likely be stuck in a museum nowadays slowly decaying but relatively true to her original design. I may describe K7 as a 'lash-up' and there's no doubt that that's the case... but what a glorious machine she is.
I'm only a plumber from Cannock...

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Re: Antiques Roadshow/Cockpit Discussion

Post by lsrdatabase » Wed Jun 16, 2010 1:28 am

malcolm uk wrote:Thats a great closing statement Bill ..................... just a pity that none of the true Anoraks has lept back on the attack and quoted DMC on the engineering involved in the endeavour.

Malcolm
Thanks for that Malcolm, but I've given-up trying to correct such statements on this Forum, most members have closed ears to my comments!

But thanks anyway, Fred


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ace_chris
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Re: Antiques Roadshow/Cockpit Discussion

Post by ace_chris » Wed Jun 16, 2010 7:57 am

malcolm uk wrote:Thats a great closing statement Bill ..................... just a pity that none of the true Anoraks has lept back on the attack and quoted DMC on the engineering involved in the endeavour.

Malcolm
By the very nature of being on this board and others, by defualt it makes each and every one of us an anorak!!! - I love the fact that K7 is a lash up from nose to tail, gives the old girl a personality. I bet gaffer tape and wd40 has been involved in practically every speed record attempt at some point :lol: Chris

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Mike Bull
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Re: Antiques Roadshow/Cockpit Discussion

Post by Mike Bull » Wed Jun 16, 2010 8:15 am

Indeed Chris. It's fact that from stem to stern K7 was a hodge-podge of errors, starting with major things such as a frame that was wrong through to minor bodges with filler and shims. Just yesterday Bill and I found evidence of something being fastened down in the wrong place, and things like that are being discovered all the time. Remember that Donald himself tried to sue over the quality of the workmanship on the boat. (Anyone got any details of that? Did he cite any examples? Neil? Steve?) And let's not forget that as she left the drawing board she just didn't work, needing a major re-work on her front end just to get her to plane.

But plane she did, and of course she became the most successful boat in WWSR history- complete with string, shims, plasticine, cardboard, rags, filler, wonky bits, screws in rivets holes, etc etc etc...

To me that gives the boat incredible character, and as I see each piece of crinkly tin unfolding and going back into place in a way that Stephen King's 'Christine' could only dream of, I do sometimes get the sneaky feeling that the stubborn old bitch is damn near indestructible! :lol:

Here's to lash ups! 8-)

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Renegadenemo
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Re: Antiques Roadshow/Cockpit Discussion

Post by Renegadenemo » Wed Jun 16, 2010 10:09 am

Bill and I found evidence of something being fastened down in the wrong place
They missed where one of the air intake formers was supposed to land on the top of the frame by about an inch. Nothing daunted they just drilled a new hole, riveted a cage-nut on the back and carried on. But that left the top of the former short of where it's supposed to meet the bodywork. Another simple fix - flush rivet a strip of 3mm aluminium to the bit that was short and simply file back to size. We would have started again and made a new former, but not the Samlesbury boys. They just bodged it and kept going. No disrespect to them. Both fixes were well executed and allowable but don't go through life believing all that, 'rocketry, advanced engineering...' nonsense. K7 was built by a firm of bus builders as though she was a bus.
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ace_chris
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Re: Antiques Roadshow/Cockpit Discussion

Post by ace_chris » Wed Jun 16, 2010 10:37 am

Ah....Christine, love that book (shite film though) Weird innit that Leo was such a perfectionist (all screws levelled off at the horizontal etc) yet the boat wasnt! I suppose nowadays if things were bust or not right they'd just get chucked in the skip, at least the K7 team perservered along their rather stony path. Chris

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