MadModder
Gallery, Projects and General => How do I?? => Topic started by: Chuck in E. TN on April 14, 2016, 03:09:59 PM
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I was looking for plans for my next build attempt and found a single cylinder vertical steam engine on the John-Tom siteI have used various websites to translate the text from German to English.
http://www.john-tom.com/MyPlans/SteamPlans3/GermanSingleVertical/BP-Dampf.pdf
I have a question on the dimension call outs. Several detentions are given as 2 numbers separated by a comma. For example, on the second page, the base plate(Grundplatte) has a hole in the lower right corner dimensioned 3,5. Is this the same as 3.5, or is it specifying something else? I understand that Europeans use the comma as we Americans use the decimal point in numbers. I just want to be sure I understand the call out.
Chuck
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The continentals have a habit of using a comma rather than a full stop to indicate their decimal point. Germans particularly. Heidenhain controls revert to that mode if they lose their parameters, as it's a selectable option which defaults to the German norm.
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Being from the UK I don't think every idea that comes out of europe is good but
it makes sense the Germans using a comma instead of a full stop
it will be easier to tell the difference between a decimal point and stray spots on a copied diagram
the same kind of logic is used on electronic circuits by placing the letter used as the multiplier in place of the decimal point
eg 3300 ohms can be shown as 3k3 instead of 3.3K
John
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Also note that German drawings are likely to use First Angle projection.
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And they always have a plan!
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I speak german, if you have any other questions from the plans. As the other noted, these are decimal commas.
Mark
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Thank you all for your comments.
Using the various online translators was interesting. I was able to translate the German text on the plans, and found it interesting. the main problem I noticed is the translations often don't take context into consideration.
For example, on the first page, the plans list Hub: 28mm. Hub translated as hub... what would this refer to? The crank offset?
Chuck
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Hub is "stroke" with IC engines.
Pekka
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Thank you Pekka. I tried to 'reverse engineer' the translation to see if 'stroke' in English would come up as 'hub' in German, but it didn't work.
Chuck
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Playing around with the plans this morning, I discover that Google Translate does a better job.
I happen to have Adobe Pro, a gift from my last employer. It allows me to edit the .pdf and copy text out of it. I pasted the text from the title and the specs on the first page and got a much more understandable translation. Google Translate actually translated Hub to stroke.
I am going through the plans and translating the text to English, and pasting the translation back into the plans.
Chuck
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Another question pertaining to the same drawings. On page 5, in the lower drawings of the cylinder cover, there is a call out on the bolt holes that reads 3,3/TK 30. What does this mean? I understand 3,3 is 3.3 mm. What does TK 30 mean?
Chuck
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Obviously the drawing is calling for, 4 x 3,3mm holes on a 30 mm PCD seams plain as day .
Rob
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Obviously the drawing is calling for, 4 x 3,3mm holes on a 30 mm PCD seams plain as day .
Rob
Oh yes, the ole Teilkreisdurchmesser.
Chuck
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I have finished translating and editing the plans. I have left the original German text, but added the translations. For those that can read German, please review the attached and see if it makes sense. If you think it's o.k., I will offer it to the John-Tom site.
Chuck
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I have found that the google translate app from the app store for your phone works great, set up the language choice (German). Running the app turns on your camera which you hover over text you want to translate and it changes the view on the fly. In this case the writing on the drawing will read in English. You can also snap it as a picture for future use.
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The translation is good. The countersink is a counterbore.
Mark
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Thanks Mark. Fixed the counterbore.
Chuck