Page 807 – Key Publishing

Creaking Door

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July 6, 2007 at 12:22 am in reply to: BROOKLANDS AEROJUMBLE #1250599

Creaking Door
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Brooklands Aerojumble

I was trying to find the thread that listed opening times, entry fees and so on… :confused:

…probably a good time to remind us. 😉

July 5, 2007 at 11:56 pm in reply to: Six Cylinder radial aero engines #1250606

Creaking Door
Participant

I have it in paper form but it can be accessed on the ‘net by the following link

http://www.crossandcockade.com/files/UK%20ENGINES.doc

Very interesting. Many thanks for that.

July 5, 2007 at 11:40 pm in reply to: Hispano Suiza Blackburn Ripon #1250613

Creaking Door
Participant

One does survive see http://www.virtualpilots.fi/feature/photoreports/ripon/

Oh, lovely! 🙂

I don’t suppose they would consider a swap…

…how many Me163 have we got left? 😀

July 5, 2007 at 9:58 pm in reply to: Six Cylinder radial aero engines #1250657

Creaking Door
Participant

Bristol Hydra

According to the BAPC list of UK preserved aero engines two survive – listed as at Hendon and RRHT Bristol.

An excellent 100% survival rate!

What is the best way to get hold of this BAPC list of UK preserved aero engines?

July 5, 2007 at 9:54 pm in reply to: Six Cylinder radial aero engines #1250660

Creaking Door
Participant

DZ700/DZ710/DZ720 Pistons

The DZ700…..bore is 80mm and the stroke is 100mm. It is a 4 litre engine.

Thanks for those drawings – exactly what I was looking for.

So the bore of the DZ700 was only 80mm and the pistons look like…..well…..diesel pistons.

I thought possibly the bore of the DZ700 may be the same as the DZ710 16-cylinder boxer engine, that is, 160mm (by 160mm stroke making this an engine of over 51 litres giving 2700 horsepower).

The DZ720 was of course two DZ710 combined in H-configuration producing 5400 horsepower (in 1944)!

The DZ710 and DZ720 were two-stroke diesels also so I’m assuming the pistons were of broadly similar (diesel) design but much bigger.

The reason I ask was that I’ve just acquired a lightweight German piston with a bore of 160mm and wondered if there was a (very slim) chance it could be from a DZ700/DZ710/DZ720 but I guess not.

July 5, 2007 at 10:53 am in reply to: Hispano Suiza Blackburn Ripon #1251459

Creaking Door
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Finnish-build Blackburn Ripon with Hispano Suiza V-12 photographed at Turkinsaari in summer 1937. This engine had 650 hp when the Bristol Pegasus II had 610 hp and Armstrong Siddeley Panther only 525 hp.

Finnish Air Force decided not to upgrade the engines and so this is the only Ripon to have an inline engine.

What about the Napier Lion engine?

Or was this the only Finnish-built Ripon with a Hispano-Suiza and the other Finnish-built Ripon had Bristol Pegasus or Armstrong Siddeley Panther?

Nice looking aeroplane, especially on floats, looks very tough, very businesslike.

I don’t suppose any survive?

July 5, 2007 at 10:13 am in reply to: Six Cylinder radial aero engines #1251471

Creaking Door
Participant

This is a circa 1938 8 cyl KHD Diesel German radial aero engine built by the Klochner-Humboldt-Deutz firm-evolved from the German firm that built the earliest engines (Otto).

We obtained it in 1968 and it came with numerous factory test reports and dwgs.

So that would make this a DZ700?

I don’t suppose you have any drawings (or photos) of the pistons from this engine or the DZ710 or the DZ720 do you?

July 4, 2007 at 11:48 pm in reply to: Me 109 Stick Top. #1251678

Creaking Door
Participant

Interestingly, these correct cap head screws weren´t anymore produced after the war. That´s why the restorers need to take flat screws like these at the grip. For my instrument panels I use replicas of the correct screws.

Not much difference, but the head tops are bent.

Ah, so not ‘cap head screws’ at all.

Halbrundkopf – halb (half) rund (round) kopf (head) – half round head!

Bloody obvious now! (Sorry, languages not my strong point.)

But an even more subtle difference between German wartime and Soviet post-war production.

Well spotted!

July 4, 2007 at 1:27 am in reply to: Relic of Curtiss NC-4 Flying Boat on eBay? #1252825

Creaking Door
Participant

I think my Whole piston sold on that auction, a few years ago, for around $85 and I was pleased – as I was only hoping for $50.

Damn!

I’d have happily paid $85 for a complete Liberty piston!

I couldn’t find out (from the web) what engines the NC-4 was even fitted with. At least you’ve posted a good photo of a Liberty piston so I know exactly what to look for…..if I keep my eyes open one’s bound to turn up sooner or later.

July 3, 2007 at 2:10 pm in reply to: Me 109 Stick Top. #1253490

Creaking Door
Participant

All wartime had Halbrundkopf – screws.

If I’ve got this right:

Halbrundkopf = Cap Head Screw (Allen Bolt).

Interesting identification feature…but what did the Soviets have against cap head screws?

June 26, 2007 at 11:34 pm in reply to: RAF Lindholme Crash Sites #1260930

Creaking Door
Participant

Are those large steel plates really part of a Wellington?

Although it’s difficult to judge their size from the photos they look very big and a far too crude to be part of the aircraft.

I suppose they could be armour fitted as a field modification but for my money they look more like something left behind by the recovery teams. The ground looks a bit soft so possibly something to stop vehicles sinking in (if you could get vehicles to this spot).

June 25, 2007 at 12:45 pm in reply to: Now here is an interesting formation… #1262980

Creaking Door
Participant

Not doubting the photograph but a very interesting formation in terms of airspeed.

A Bulldog does about 174 mph flat-out…

…can a Lightning even go that slow?

Maybe it was taken just as the Lightning ‘shot-by’ as slowly as it could?

The Lightning seems to have full flap deployed but the angle-of-attack doesn’t seem that great. Anybody know what the stall speed is for a Lightning?

June 24, 2007 at 10:04 pm in reply to: de Havilland Museum Trident restoration #1263629

Creaking Door
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Trident £7K / Comet £20K

Just for painting – A perfect illustration of the staggering costs involved in aircraft preservation.

Lovely job by the way – Well done!

June 24, 2007 at 9:51 pm in reply to: ok, we have a vulcan… what next??? #1263644

Creaking Door
Participant

There are two Victors which could be considered for flight:

The one at Bruntingthorpe (Sorry, don’t know much about that one) and Lindy (XL231) at Elvington.

The other two complete victors are at Cosford and Duxford.

There is another Victor at RAF Marham (for now) but I’m not sure it could be considered ‘complete’ as I think it has been described as gutted on this forum.

The Victor is, for me, one of the great missed opportunities – I wish I had gone to see them while they were still flying.

June 22, 2007 at 11:14 pm in reply to: Replicas and reproductions #1265338

Creaking Door
Participant

If we’re talking pipe-dreams…

Just an idea I’ve toyed with during quiet moments.

Take a fairly basic extinct airframe but one that would arouse some interest (and yes, I know, not a good starting point)…oh, and a complete set of drawings (highly unlikely I know).

What does it actually consist of? Tens of thousands of reasonably simple light alloy (or wooden) components, several thousand more complex components, and thousands of rivets, nuts, bolts, washers and other standard parts.

Now given a large (infinite) number of aircraft enthusiasts and a couple of decades…

…anybody see where I’m going with this?
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