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Hawker Hurricane projects

I just found this page with drawings and descriptions of many varying designs to improve or modify the Hurricane. There are some whacky ones, like the fitting of a radial Hercules, and a Griffon. Some interesting ‘what ifs’

http://www3.mistral.co.uk/k5083/PROJECTS.HTM

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By: dhfan - 15th June 2005 at 22:13

Shurely shome mishtake? Joplin to St.Louis to Indianapolis and then I cross the state line into… Australia??? I always though Ohio was another land Or is the USAF pulling some agency agreement for the Aussies? 🙂

I’ll shut up now

R/K

Showoff. 😀
I didn’t notice.

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By: Kansan - 15th June 2005 at 20:16

What Museum in Dayton, OH?

Once complete this will be house at the RAAF Museum in Dayton, Ohio.”

Shurely shome mishtake? Joplin to St.Louis to Indianapolis and then I cross the state line into… Australia??? I always though Ohio was another land Or is the USAF pulling some agency agreement for the Aussies? 🙂

I’ll shut up now

R/K

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By: Melvyn Hiscock - 15th June 2005 at 20:15

As are many of the pictures posted on this forum, both historic and more recent. You’ve only got to look at Stormbird’s ‘quizes’ and ‘let’s all post Mosquito pictures today’ threads and 90% of Daz’s output for examples of this. 🙁

But the vast majority of those, being Crown Copyright and over fifty years old have no copyright issues anyway.

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By: DazDaMan - 15th June 2005 at 18:06

Ta

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By: dhfan - 15th June 2005 at 17:59

Fron Hawker Restorations website:

“Our 6th Hurricane is the only static example that we have worked on. Although complete in every detail this aeroplane will be unairworthy but indistinguishable from a flying example. Once complete this will be house at the RAAF Museum in Dayton, Ohio.”

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By: DazDaMan - 15th June 2005 at 17:23

USA – Hurricane XII – “Z3174” “XR-B” at the US Air Force Museum, Dayton, Ohio. Actually a Canadian built Mk.XII reference 42025/RCAF 5390 but displayed as a Mk. IIa of 71 Squadron, Royal Air Force, one of the “Eagle Squadrons” for Americans serving in the RAF. Was restored by RRS Aviation of Hawkins, Texas, USA in the late 1980’s. Jan 2001 – being restored to airworthy condition (but not to be flown) by Hawker Restoration Ltd.

:confused:

I thought this was a static restoration only?

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By: dhfan - 15th June 2005 at 16:59

The list bears a remarkable similarity to this one! 😉

As they’re both supposed to be lists of surviving Hurricanes, it should do.

However, the new link correctly says the IWM IIb came from Russia and, at a quick scan, doesn’t attribute any to Rick Roberts.

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By: paulmcmillan - 15th June 2005 at 16:41

But at least he has the correct ID for “AB832” (P5202) which is a Canadian-built Mark I and ex BoB Survivor – So, it would probably be the most significant Hurricane in the world for the Canadians. I am surprised no one in that neck of the woods has made the Indians a swap offer!

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By: G-ORDY - 15th June 2005 at 16:27

Growing up in the 1950’s I was an avid reader of “Battler Brittain” picture story books (cost 1 shilling if I remember) – anyway, one of the books had our hero flying the Slip-Wing Hurricane.

I don’t remember whether the wing hit anything when it was jettisoned but then “Battler” was one h**l of a pilot!

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By: dhfan - 15th June 2005 at 16:22

As suspected by several, lifted from Frank Mason’s book – verbatim. Pictures in the same order, same text with the addition of the relevant serial nos.

IIRC, the Napier Dagger was a bit of a dog. Frank Halford was a brilliant engine designer, but like the rest of us, he had off days. 🙂

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By: Moggy C - 15th June 2005 at 14:16

The top wing contained extra fuel tanks – wouldn’t the fuel lines and weight complicate the release further?

Do the fuel lines complicate the use of drop tanks?

Nope, it’s just an interference fit that pulls apart as the tank is dropped.

Extra weight?

Well the main wing of a monoplane Hurri lifts the airframe, the pilot, all its fuel and armaments and a chuffing great engine. So even were it jettisoned with the tanks full, which presumably wasn’t intended, I’d guess the slipper wing should still generate enough lift for itself to hop over the tailfin and rudder.

Moggy

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By: Paul F - 15th June 2005 at 14:14

Slip Wing Hurricane – Wing Release

Although the released upper wing would presumably tend to pitch up and then flutter leading edge over trailing edge as suggested, I suspect that the intantaneous tendency to pitch leading edge upwards at moment of release would also mean a loss in forward airspeed of the wing section as the broad under-surface hits the oncoming airflow. However, the Hurricane below would not decelerate at same rate – and would probably actually accelerate slightly due to los sof the extra drag? Nett result would be that by the time the wing starts to tumble/fall the Hurricane itself has probably moved on and is clear of being hit :confused: ?

Well, that’s my suggestion anyway.

As for connections, I suspect that apart from the explosive bolts or retractable pins at the joints at the top or bottom of the wing pylons the only other “conection” would be the fuel feed line. This could easily be fitted with a weak link section and a non-return/self sealing valve beneath the point of separation.

One book (can’t remember which) lists details of trials of this sytem on the Hilson Bi-Mono aircraft which was a one-off prototype desgined as a test bed I think before it got as far as the Hurricane tests.

Another option for adding fuel tankage for ferry purposes is described in one of Eric Brown’s books, whereby a wing-shaped fuel tank would be attached to the mainplane of a fighter by two long thin booms(one joining each mainplane at about mid span), such that it would trail behind the tailfin/plane. The profile shape of the tank itself would generate lift and so help overcome the added weight. The boom attachements would be hinged at teh attachement point on the parent aircfat’s wings so that the towed tank could float above/below the chord line of the mainplane as fuel was used etc, so helping avoid de-stabilising the towing aircraft (a rigid fixing would place a varying fuel load at a fixed point well aft of the normal CofG). I believe this set up was first trialed on a Magister, and never got as far as being tested on a Hurri or Spit?

Paul

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By: Stuart - 15th June 2005 at 13:42

There is a little bit more info on the slip wing Hurricane on this site:

www.faqs.org/docs/air/avhurr.html#m5

The top wing contained extra fuel tanks – wouldn’t the fuel lines and weight complicate the release further?

Rejected due to being too heavy.

Stuart

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By: Yak 11 Fan - 15th June 2005 at 13:25

Now that’s interesting, I guess from the survivors list that we should be congratulating Rick Roberts on flying his Hurricane, I’m supprised nobody has spotted this out and about.
The USAF Museum appear to have misplaced their aircraft and thankfully the CWH fire was all a dream.
On the other hand I suspect the survivors list needs a bit of work!!!!

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By: Dave Homewood - 15th June 2005 at 13:00

Thanks Mike, I thought I’d heard a second one was being restored of the three Wallis had but wasn’t sure.

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By: Dave Homewood - 15th June 2005 at 12:34

In that same site’s page of surviving airframes here

http://www3.mistral.co.uk/k5083/EXTANT.HTM

it lists BW881 as being with the Alpine Deer Group, Wanaka, NZ, and also BH229 as being “to New Zealand”. I know that the AFC started with wreckage of three aircraft before the rebuild of P3351/DR393, but were the two I mentioned first actually used in that rebuld?

If so, do they formally still exist if anything is left of them? Or are they now officially no longer? (like a parrot in a Monty Python sketch!)

If they were not used, where are they now?

It also amazes me how many there are still in existence, I wonder if there is the potential for many more to become airborne in the future.

Also the listing misses off the replica at Omaka, Blenheim, NZ

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By: Dave Homewood - 15th June 2005 at 12:20

One that interested me is the conversion with the Napier Dagger engine. It sounds as if it must have gotten to a flyable testing stage. I wonder if photos exist. I’ve not heard of the engine, were they any good?

As for copyright, it looks like the site owner, Dr. Colin James Pratt-Hooson PhD, MSc, BSc, is claiming it as his own. Did he perhaps do the drawings for the book you mention Melvyn? If not, his email is on the homepage.

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By: Moggy C - 15th June 2005 at 12:19

Then there’s all the cabling and whotnot.

Whot ‘cabling’?

I suspect there would be a release sequence, front struts first then rear afterwards, to allow for the wing to go upwards initially.

Moggy

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By: RobAnt - 15th June 2005 at 12:08

hummm – I’d have thought – without something long protruding from the rear (like a fuselarge) it would start twizzling end over end – leading edge pulling up, then stalling over backwards.

Not very good for anyone who happens to be underneath either.

Then there’s all the cabling and whotnot.

Not that I know anything about it – just what I’ve observered with bits of wood. I’d have thought the only way to avoid that would be to rotate it like a boomerang or helicopter blade before release.

Edit: Oops no that wouldn’t work – boomerangs/copter blades have leading edges in the direction of rotation.

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By: Stuart - 15th June 2005 at 11:49

Quick couple of questions about the Hurricane with the jettisonable top wing:

1. Would there not be a danger of it hitting the tail after release?
2. Would the release have to be made when inverted?

Stuart

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