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Author Topic: SOLVED: si_511 - Bolle & Fiedler_BFA_3cyl 2stroke engine_1923  (Read 1325 times)

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Offline sichel

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SOLVED: si_511 - Bolle & Fiedler_BFA_3cyl 2stroke engine_1923
« on: October 22, 2023, 07:24:05 AM »
Please describe this engine.
Manufacturer, number of cylinders, working method, displacement, where and when used?
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Ein Henschel zieht am Berg und ein Mercedes
an den Türen. (and an attempt of a translation):
A Henschel in rushing up the hill, wheras in a Mercedes wind is rushing through the doors. c/o norberthanke

Offline sichel

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Re: si_511
« Reply #1 on: October 29, 2023, 06:09:25 AM »
Up to the Experts
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Ein Henschel zieht am Berg und ein Mercedes
an den Türen. (and an attempt of a translation):
A Henschel in rushing up the hill, wheras in a Mercedes wind is rushing through the doors. c/o norberthanke

Offline sichel

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Re: si_511
« Reply #2 on: November 13, 2023, 09:11:11 AM »
Up to the Professionals.
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Ein Henschel zieht am Berg und ein Mercedes
an den Türen. (and an attempt of a translation):
A Henschel in rushing up the hill, wheras in a Mercedes wind is rushing through the doors. c/o norberthanke

Offline neilshouse

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Re: si_511
« Reply #3 on: November 17, 2023, 11:53:35 PM »
Another interesting engine, thank you Sichel.

A 3 cylinder 2 stroke?
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Offline sichel

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Re: si_511
« Reply #4 on: November 18, 2023, 06:51:05 AM »
Yes, it is a 3 cylinder 2stroke-engine.
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Ein Henschel zieht am Berg und ein Mercedes
an den Türen. (and an attempt of a translation):
A Henschel in rushing up the hill, wheras in a Mercedes wind is rushing through the doors. c/o norberthanke

Offline ropat53

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Re: si_511
« Reply #5 on: November 18, 2023, 03:48:16 PM »
German engine?
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Offline sichel

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Re: si_511
« Reply #6 on: November 19, 2023, 05:08:35 AM »
Yes.
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Ein Henschel zieht am Berg und ein Mercedes
an den Türen. (and an attempt of a translation):
A Henschel in rushing up the hill, wheras in a Mercedes wind is rushing through the doors. c/o norberthanke

Offline D-type

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Re: si_511
« Reply #7 on: November 26, 2023, 01:45:44 PM »
3-cylinder 2-stroke - is it anything to do with Auto-Union / DKW? (the history of the two is so intertwined that it is impossible to separate them)
« Last Edit: November 27, 2023, 11:07:30 AM by D-type »
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Duncan Rollo

The more you learn, the more you realise how little you know.

Offline sichel

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Re: si_511
« Reply #8 on: November 26, 2023, 02:04:29 PM »
No, it was a completely different company.
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Ein Henschel zieht am Berg und ein Mercedes
an den Türen. (and an attempt of a translation):
A Henschel in rushing up the hill, wheras in a Mercedes wind is rushing through the doors. c/o norberthanke

Offline sichel

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Re: si_511
« Reply #9 on: December 11, 2023, 02:44:33 PM »
Does a Master have an idea?
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Ein Henschel zieht am Berg und ein Mercedes
an den Türen. (and an attempt of a translation):
A Henschel in rushing up the hill, wheras in a Mercedes wind is rushing through the doors. c/o norberthanke

Online oko94

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Re: si_511
« Reply #10 on: December 11, 2023, 03:07:30 PM »
Was it built before 1930 ?
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Offline sichel

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Re: si_511
« Reply #11 on: December 11, 2023, 03:35:47 PM »
Yes.
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Ein Henschel zieht am Berg und ein Mercedes
an den Türen. (and an attempt of a translation):
A Henschel in rushing up the hill, wheras in a Mercedes wind is rushing through the doors. c/o norberthanke

Online oko94

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Re: si_511
« Reply #12 on: December 11, 2023, 03:37:59 PM »
Built before 1915 ?
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Offline Wendax

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Re: si_511
« Reply #13 on: December 11, 2023, 04:06:13 PM »
Bolle & Fiedler?
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Offline fromwien

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Re: si_511
« Reply #14 on: December 11, 2023, 04:17:20 PM »
 :thumbsup:
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Offline sichel

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Re: si_511
« Reply #15 on: December 12, 2023, 10:36:20 AM »
Yes, Bolle & Fiedler. Locked for Wendax to answer the remaining question.
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Ein Henschel zieht am Berg und ein Mercedes
an den Türen. (and an attempt of a translation):
A Henschel in rushing up the hill, wheras in a Mercedes wind is rushing through the doors. c/o norberthanke

Offline fromwien

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Re: si_511
« Reply #16 on: December 12, 2023, 04:34:51 PM »
Dear 'sichel', please excuse my far too early reply. Thought the puzzle has been solved, after 'Wendax' found the manufacturer. I hope such mishaps don't happen to me again
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Offline Wendax

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Re: si_511
« Reply #17 on: December 13, 2023, 09:44:12 AM »
Max Georg Fiedler designed several two-stroke engines for Bolle & Fiedler. The first three-cylinder engine developed 24 PS out of 1026 cc. Bolle & Fiedler probably also built the three-cylinder two-stroke engine for E. Rosineck (Erco, Eos) which was a 20 PS 1086 cc one. After 1925 Bolle & Fiedler built boat engines like the one on fromwien's post.

We've had a Bolle & Fiedler car before: https://www.autopuzzles.com/forum/new-board/pn-1389/
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Offline sichel

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Re: si_511
« Reply #18 on: December 13, 2023, 03:26:28 PM »
Yes, it is the 24 hp engine with 1026 cc, installed in the 1923 sports car, see: https://www.autopuzzles.com/forum/new-board/pn-1389/
One more point for Wendax.
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Ein Henschel zieht am Berg und ein Mercedes
an den Türen. (and an attempt of a translation):
A Henschel in rushing up the hill, wheras in a Mercedes wind is rushing through the doors. c/o norberthanke
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