Verfügbare Informationen zu "Other fragments from DO217 crash site"
Qualität des Beitrags: Beteiligte Poster: SALERNO1943 - Roy N - marcany Forum: - Aero Part Identify Board - aus dem Unterforum: Dornier (Do) Antworten: 4 Forum gestartet am: Donnerstag 15.02.2007 Sprache: englisch Link zum Originaltopic: Other fragments from DO217 crash site Letzte Antwort: vor 14 Jahren, 9 Monaten, 27 Tagen, 8 Stunden, 51 Minuten
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Re: Other fragments from DO217 crash site
SALERNO1943 - 20.06.2009, 14:48Other fragments from DO217 crash site
Here is other fragments we find in our second trip. Some idea about parts? Thanks.
1
2 Bullet's hole
3
4 Diameter 16 e 18 cm
5
6
6a
7 Magnet 3x3 cm
8 NW 20 ARGUS
9 39.831-0172A CI__ON 3115.4 1384
10 Franz Lange, Berlin
10a 126-621A Fl32958
13 P
14 1577?
Re: Other fragments from DO217 crash site
Roy N - 20.06.2009, 21:13
i dont know how much you know about engines but a quick explanation of what you have
photo #3. bottom right. this is looks like part of the engine. the valve port in the cylinder head.
the threaded part is where the steel valve seat would have been. the hole at the bottom is where the valve stem would have come through.
Photo #6 is the valve rocker arm. this was fitted at the top of the cylinder head. as you can see from the photo, the rounded end of your rocker arm was touching the top of the valve stem. the opposite end was pushed up by the pushrod to open the valve. there were two of these to each cylinder.
i hope that all makes sense
on this photo.
(A) shows where the threaded part would be.
(B) is the valve rocker
Re: Other fragments from DO217 crash site
marcany - 23.06.2009, 19:06
Hi SALERNO and Roy
Part on photo #3 have little circular hole. Linea of break goes through. In this hole was set motor plug.
Martin
Re: Other fragments from DO217 crash site
Roy N - 26.06.2009, 19:40
marcany wrote: Hi SALERNO and Roy
Part on photo #3 have little circular hole. Linea of break goes through. In this hole was set motor plug.
Martin
Hi Martin,
the hole cannot be for the plug. its in the top of the cylinder, above the valve seat. the photo shows the part upside down. the plug would be below the valve seat in the combustion chamber.
im sure this would be where the valve stem came through the cylinder head.
Cheers
Roy
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