Early concepts for Avro Vulcan

fredgell

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I did a quick search and couldn't find a current topic to stick this in.

In the site

http://www.kosmoid.net/technology/hamilton

there is a picture of an early Vulcan model - one I've not seen previously.

May be old news - in which case my appologies - but here is a low res copy
grabed from the page.

Fred
 

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hesham

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Hi,

http://www.wingweb.co.uk/aircraft/The_Avro_Vulcan.html
 

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Jemiba

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The 691 looks very similar (identical ?) to the 721, designed for B.126T, which
in fact led to the TSR.2. Couldn't find the 691 elsewhere, can anybody give a clue ?
 

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lark

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As far as I know , Avro type 691 was the Lancastrian, a development
of the Lancaster Mailplane of 1943.....
 

Jemiba

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Well, Google is your friend ...
Now it's clear, that I couldn't have found it in "Project Cancelled" or "British Secret
Projects" ! Thank you Paul !
I hope, I learned my lesson :Never carelessly believe in unknown websites !
 

lark

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Agree Jens, the people who made the site have to do
their homework again.
Not only Google ,but a quick browse in a few Avro books
produced the same results about the 691...
 

fightingirish

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Great find, hesham! :eek: B)

698-Large.jpg

Click here to see animations of the above concept, and of the “final” version of the Avro 698 as it appeared in the tender brochure of April 1947.
 

Matej

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http://www.hitechweb.genezis.eu/flyingwing4b.htm (From the article in one of the L+K magazine issues. I will take a look which one.)
 

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Triton

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Artist's impression of Avro 698 by Ian Bott for Aeroplane magazine.

Source:
http://www.ianbottillustration.co.uk/images/avrovideos/Port-avro-main.html
 

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PMN1

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What was the reasoning for changing from the tip fins of the original 698 design and going for a central fin and rudder in the production Vulcan?
 

shedofdread

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Can't comment on why Avro did what they did but [in general] with a central fin, you get a favourable yaw interaction when a roll is commanded. Also, the wings no longer have to carry the mass of the fins. Equally though, tip fins mitigate the effects of tip vortices. Compromises, compromises... ;)
 

robunos

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ISTR reading somewhere, not sure where ATM, sorry, but I think it was in an 'Aeroplane Monthly', an article in which the Great Gunston stated that the switch to a central fin was made, in order that, should there be a problem with the longitudinal trim, a tailplane could be fitted, giving a similar configuration to a Javelin.
I'll try and find it, once I've got my PC working properly again...

cheers,
Robin.
 

Stargazer2006

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Topic name changed. It is obvious that the so-called "Avro 691" was in fact the Avro 721 (the Avro 691 was the Lancastrian C.I).
 

blackkite

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Hi!
 

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blackkite

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Wyvern

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I remember seeing an early concept "drawing" that Roy Chadwick drew on a napkin. From what I remember, instead of having standard intakes, it had one large intake with a moving splitter. I'll try to find where I found it, and then message later.
 

blackkite

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Hi!
https://www.key.aero/article/paving-way

As Avro had no flight experience of the delta wing, the company planned two smaller experimental aircraft based on the 698, the one-third scale model 707 for low-speed handling and the one-half scale model 710 for high-speed handling. Two of each were ordered. However, the 710 was cancelled when it was considered too time-consuming to develop
 

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