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The cutaway drawing and its artists


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#15751 CVA

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Posted 06 December 2018 - 10:09

BMW 2800 by artist unknown

BMW-2800.jpg



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#15752 CVA

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Posted 06 December 2018 - 10:19

several olds Sergio Baratto

BRM P261

BRM-P261-sergio-baratto.jpg

Ferrari 1512

ferrari-1512-sergio-baratto.jpg

Honda ra272

honda-ra-272-sergio-baratto.jpg



#15753 CVA

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Posted 06 December 2018 - 10:28

2 lancia rally 037: road and racing versions, artist unknown

lancia-rally-037-artist-unknown.jpg

lancia-rally-037.jpg



#15754 Ventro

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Posted 07 December 2018 - 18:39

1971 Lotus Europa TwinCam (Type 74) by Gale Heimbach. Original file here  1971-Lotus-Europa-Twin-Cam-by-Gale-Heimb


Edited by Ventro, 08 December 2018 - 12:24.


#15755 ibsenop

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Posted 11 December 2018 - 08:54

Fiat 124 Sport Spider 1600 by artist unknown

Fiat-124-Sport-Spider-1600-by-artist-unk



#15756 Ventro

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Posted 11 December 2018 - 16:31

Found couple of nice scans on Flickr which has better quality than the images previously posted here - so, gentlemen, please check your collections and replace if neccessary:

 

1955 Velocette Venom 500cc engine cutaway by Lawrence Watts... or it also could be 1955 Velocette Viper 350cc engine by John Crawley (at least I had exactly the same cutaway with different names) - so if anyone know some reliable method to clear this issue it will be greatly appreciated 1955-Velocette-Venom-Engine.jpg and here is the cleaned version 1955-Velocette-Venom-Engine-Cleaned.jpg

P.S. When cleaning I decided to remove that black copyright rectangle (as you can see it was blackened this way on the source scan - so it was kind of meaningless to have it on the cleaned version). Missing fragment of crankcase was restored using smaller versions of this cutaway posted here earlier


Edited by Ventro, 11 December 2018 - 16:39.


#15757 Ventro

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Posted 11 December 2018 - 17:15

Next one was this AJS/Matchless twin engine cutaway by J. Bennett - this engine was build many years in 500, 650 and even 750cc versions and thus had a lot of names - so it difficult to identify the exact model depicted. Temporarily I saved it in my collection as 1957 Matchless G11 650cc engine (if I am wrong, please correct me) 1957-Matchless-G11-650-Engine.jpg Cleaned version 1957-Matchless-G11-650-Engine-Cleaned.jp I also have a nice blueprint of this engine... 1957-Matchless-G11-650-Engine-Blueprint. ...which beautifully shows some of the very interesting technical features - first one is this intermediate bearing support plate with main journal cap (see red parts) 1957-Matchless-G11-650-Engine-Bearing-Su - very elegant solution which still allows vertically-split crankcase without overstressing crankshaft. I'd say this is kind of hybrid between conventional main journal caps and even more exotic tunnel monoblock crankcase - like this relatively modern VM Diesel (some time ago Ibsen posted cutaway of this engine as Alfa Romeo 2,0L Diesel) Tunnel-Crankcase-VM-Diesel.jpg Second unusual feature is a camshaft layout - as you can see at the blueprint, this engine has mirrored OHV layout (in common terms I guess we can call it DOHV - double overhead valve). "Extreme exotic!" I thought - I mean the only similar automotive engine I could remember was this stillborn 2001 GM XV8 concept engine... 2001-GM-XV8-Engine.jpg ...but then I found this 2013 Indian Thunder Stroke 111 engine with three cams (!) - you may also remember 1927 Fiat 806 GP engine 2013-Indian-Thunder-Stroke-Engine.jpg ...What can I say... Motorcycle engines are truly amazing :drunk:



#15758 StanBarrett2

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Posted 11 December 2018 - 20:11

Sorry I can't help providing missing info, or better scans.

 

What I am surprised about is J Bennett's signature.

 

The cutaway artist we know as 'Bill Bennett'  is John Arthur Bennett

1957-Matchless-G11-650-Engine-Cleaned.jp

 

Could he have done Motorcycle cutaways under another signature ?

I've added in a 'Car'  cutaway signature to the drawing to compare

 

macoran



#15759 Ventro

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Posted 12 December 2018 - 00:30

What I am surprised about is J Bennett's signature. The cutaway artist we know as 'Bill Bennett'  is John Arthur Bennett. Could he have done Motorcycle cutaways under another signature ?

It is also possible that J Bennett signature was added later by some editor or something. At least I have already seen a lot of unsigned motorcycle cutaways... and if so, that person could be not aware about "correct" signature of Bennett... well, this is only my guess



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#15760 Ventro

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Posted 12 December 2018 - 20:06

1928 Norton ES2 500cc engine by S.E. Porter 1928-Norton-ES2-500cc-Engine.jpg cleaned version 1928-Norton-ES2-500cc-Engine-Cleaned.jpg Another long-lasting engine which was manufactured from 1928 up to 1964 - so it anyone will recognize the article where this cutaway was published maybe we will be able to identify the exact model year



#15761 Ventro

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Posted Today, 01:17

1934 AutoUnion Type A by G.Gedo - bigger and sharper version of cutaway posted before on page 258 1934-Auto-Union-Type-A.jpg