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Old 07-09-2013, 11:31 AM   #1
Namprops
 
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Here at the Museum we have 2 props manufactured by Courtney-Pope Ltd. Both are 4 bladed 8ft 2in in diameter and marked NR12L 8-11-19 No.3 and AB 9040 No.2LH.

Despite best efforts we have been unable to find further information on either. Neither date of manufacture or their actual use.

We also have one propeller that is 2 bladed 14ft 1in long with a 14" diameter central boss but carries no markings. We believe(?) that this came from an airship

Could anyone assist in identifying these
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Old 07-11-2013, 08:53 AM   #2
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I was hoping Bob Gardner would drop in and be able to help with this, but I think he either missed it or doesn't have the information. I looked through my stuff (and his books) and couldn't find any reference to those specific numbers.
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Old 07-11-2013, 01:38 PM   #3
Bob Gardner
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I too was hoping Bob Gardner could find something to contribute! But not so far. Courtney Pope was a firm of shop fitters in London recruited in 1916 to make aircraft propellers. Know examples are for the Avro 504 and the Vickers Vimy II, both two bladed props. At the end of the war they became advertising sign makers and erectors.

The numbers 8-11-19 look like the date 8 November 1919, but it is very unlikely that the company was still making props a year after the end of the war.

8ft 2ins equates to 2500mm which was used for several engines in WW1, all but one for engines under 100hp, the exception being a 200hp Hisso in a S.P.A.D. But all were two-bladed.

AB9090 looks like a British drg no., but it's not recorded. If it is, it would be a late number, perhaps from 1919.

Where did the props come from? Why do you think the two-bladed fourteen foot prop is from an airship? Could you send close up photographs of the data and general shots of the complete props.

With kind regards,

Bob
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Old 07-12-2013, 05:25 AM   #4
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Bob

The 2 props came from the Stanton Ironworks Staveley Derbys.
The'airship' prop is what I am being told by other members!!

Pictures of the large prop attached - I will have to photograph the others next time I am in the museum and put them up.

Regards

Namprops
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Old 07-12-2013, 08:39 AM   #5
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Where's the museum? I live in Yorkshire. Shall I come and see them?

I can't tell anything from your photo. The Shuttleworth Collection has a prop about fourteen feet long which I think came from one of the R series airships.
British naval airships from WW1 had much smaller props of aircraft size.

With kind regards,

Bob
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Old 07-13-2013, 05:26 AM   #6
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Bob

We are Newark Air Museum - just down the A1!!

I am there usually on a Tuesday or Thursday if you want to pop down - let me know if and when and I'll arrange to meet you.
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Old 07-13-2013, 05:33 AM   #7
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Right on my doorstep! I googled NAM and tried variations such as Notts Air Museum, Northern Air Museum. How dozy of me. I drive past several times a month. I'm actually driving past in about an hour's time, going to RAF Cranwell but I won't have time to call in. I propose to come on Tuesday. What time would suit? What's your name?

With kind regards,

Bob
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Old 07-13-2013, 09:40 AM   #8
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Bob

Anytime after 10am Tuesday will be great and I will let the shop people know you are coming and to tell me you have arrived

I am Colin Savill

Regards

Colin
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Old 07-14-2013, 08:29 AM   #9
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Colin,

I plan to be with you around 1100hrs on Tuesday.

With kind regards,

Bob
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Old 07-15-2013, 05:25 AM   #10
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Bob

Thats great - see you tomorrow

Regards

Colin
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