AutoPuzzles - The Internet's Museum of Rare Cars!
Puzzles, Games and Name That Car => Solved AutoPuzzles => 2021 => Topic started by: sichel on August 05, 2021, 04:50:00 PM
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Who is able to recognise the engine from this small picture?
Which manufacturer? Which model? Construction period? For one point.
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I would like to try something for such difficult puzzles:
As long as there is only the small picture, two points are awarded.
When the change into the black hole is imminent, there will be more pictures and and the score is reduced to one point.
I am curious to see how do you like it.
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up
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Italian?
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No.
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Japanese?
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Air cooled twin cylinder?
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Japanese: No Aicooled Twin: Yes
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In a motorbike frame?
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Yes
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Petrol powered or something more exotic?
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Petrol powerd.
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All I know about motorcycles is that most of them seem to have two wheels.
But I like the idea of two points offered, and half-price beyond the sell-by date!
Overhead camshaft, I guess;....did the manufacturers also build single-cylinder versions of this design?
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Is the engine manufacturer the same as the motorbike it sits in?
I.e. Honda engine in Honda motorbike
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@ FrontMan: Yes there was a closely related single-cylinder version.
@ gilescooperuk: Yes, frame and engine have the same roots.
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BSA?
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No.
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Japanese?
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No, not Japanese. Just as with D-Type ;)
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German ?
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Yes!
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BMW
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No.
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MZ ?
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No. FrontMan, you are dirctly looking at an overhaed-camshaft, MZ only built two-stroke engines and some experimentell wankel-engines.
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I am grateful for the information :grad:;....is this machine from the 1960s ?
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No, a little earlier.
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O.k;....here goes :nerves:.....Horex Renn-Imperator 500, 1952 ?
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Good Idea, but unfortunately wrong. Neither Imperator nor Horex. But there were even more four-stroke racers in Germany.
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NSU?
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No.
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Well, then the professionals will have to do it.
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Double overhead cam (DOHC) chain driven?
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Yes!
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Has the company built this engine only for race use or has ever existed a street-bike with this engine?
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It was a thoroughbred racer!!
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Mid-50's? 1955?
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A llittle bit later.
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1957?
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Yes, that was the starting year.
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Simson RS350/7?
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Was the engine used to power anything else in addition to a motorcycle?
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@ fromwien - Simson: Yes, RS 350/7: No
@ D-type - Not that I know of
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so it is a Simson with 250ccm, right?
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Yes, locked for you to find the model.
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The Simson RS250/5 was equipped with a single-cylinder DOHC-engine,..
the cams of the 350/7 were spur-gear-driven(?), not chain-driven (?) (my fault with an previous answer????),.. the only missing twin is in my opinion:
Simson AWO RS250/6 (by Werner Strauch)?
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it is indeed the Simson RS 250/6. Therefore you have earned the two-point bonus first :applause: :applause:
To the different versions of the AWO/Simson RS: RS 250/5, this single-cylinder version is accompanied by another small contribution in a moment.
RS 250/6: First version had a triangular chain driven camshafts, like the single-version. There was a late version with king-shaft-driven inlet-camshaft and connection through spur-gears to the outlet-camshaft. There should also be experiments with desmodromic valve control.
RS 250/7: This was the last Version of Somson 4-stroke racers. So, there could also be used the king-shaft / spur-gears version of camshaft driving. But I only found pictures with pure chain-drive.
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And no some pictures of the AWO/Simson RS 250 single-version (pctures one to four). You can see the same development of the race fairings as with Adler or NSU (see si_034).
Also three pictures (five to seven) of RS 350/7.
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There has been a very good article in Oldtimer-Markt-magazine 06-2005 about Simson 250/4 to 6. I remembered that fairly, but I couldn't find the copy of this mag in my library! Hope, I haven't lost or borrowed it to somebody. I can't remember
Thank you for the double-point. I hope, you will not forget to award me as last time? ;D
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I know exactly in which grid square I have this booklet in my attic...
"I hope, you will not forget to award me as last time?" - The feeling is mutual ;)