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 1 
 on: April 19, 2024, 07:25:45 PM 
Started by Randy Jacobson - Last post by Randy Jacobson
Back in mid-february, TIGHAR put out two e-mails regarding the forum upgrade; I understood that it would happen by the end of February.  I haven't noticed any differences (at least on the forum side).  Just curious if the upgrade did happen.

Randy Jacobson

 2 
 on: April 17, 2024, 10:34:38 AM 
Started by Ric Gillespie - Last post by Arthur Rypinski
One can hope that there are more drawings done by M. Soulier
adr

https://gallica.bnf.fr/ark:/12148/bpt6k6568023j/f29.item.r=LevasseurL'Aeronautique

 3 
 on: April 17, 2024, 10:33:51 AM 
Started by Ric Gillespie - Last post by Arthur Rypinski
Very interesting. thx.
adr

 4 
 on: April 17, 2024, 05:08:29 AM 
Started by Jeff Lange - Last post by Chris Kuykendall
I was Googling for something else, and ran across this article, from about three weeks ago, on the topic of Tony Romeo and the sonar image:

Thomas Curwen. "How Explorers Found Amelia Earhart's Watery Grave: Or Did They?" Los Angeles Times, March 26, 2024, republished online at the Arizona Daily Sun (Flagstaff) website.

https://azdailysun.com/news/nation-world/how-explorers-found-amelia-earharts-watery-grave-or-did-
they/article_be25a8c8-ebbf-11ee-b098-43524eefd573.html


I added it to my Earhart bookmarks and will read it sometime eventually later but not now.  "Crashed and sank" not my theory.

 5 
 on: April 16, 2024, 07:17:27 AM 
Started by Ric Gillespie - Last post by Christophe Blondel
Unfortunately, the website https://www.avionslegendaires.net/avion-militaire/levasseur-pl-4/ says unequivocally that no PL 4 has survived their decommissioning (except the one that may still be sitting on the floor of the Mediterranean ...). But the French ministry of Armed forces (even though they do not know in what circumstances) has salvaged 195 blueprints from the Levasseur company, which are available online at https://www.memoiredeshommes.sga.defense.gouv.fr/fr/article.php?larub=407&titre=plans-de-constructeurs-aeronautiques-sur-des-appareils-civils-et-militaires-xxe-siecle-
Just in case you did not notice, one is the side view of the internal arrangement of a PL 8 (apparently not l'Oiseau blanc, but the second "postal" PL 8, which, according to Wpd, "was built [in 1928 and] equipped with a Hispano-Suiza 12M 375 kW (500 hp) engine. Flown in 1928, the PL.8-02 was intended as a long-range record breaker but modified as an air mail carrier"): https://www.memoiredeshommes.sga.defense.gouv.fr/fr/ark:/40699/s0062cad8b3f3722/62cad8b400a1d
That may give some ideas. However, the caps (or lids) do not seem to be other than an ordinary type... Sorry I do not find how to make a reduced image suitable to be included here, but someone will soon find how to do that, if showing this blueprint appears of some interest.

 6 
 on: April 15, 2024, 06:53:36 PM 
Started by Ric Gillespie - Last post by Arthur Rypinski
here is the jerry can.
adr

 7 
 on: April 15, 2024, 06:52:20 PM 
Started by Ric Gillespie - Last post by Arthur Rypinski
Ric-

Note the sealing mechanism on a World War II jerry can.  Fancy glass beer bottles use a similar mechanism.  The latch exerts pressure along the centerline of the lid.  Gasket around the periphery of the lid. Holds pressure, No vapor leaks, at least in principle.  No threads on the lid.

adr

 8 
 on: April 10, 2024, 07:21:27 AM 
Started by Ric Gillespie - Last post by Ric Gillespie
Lorraine Dietrich engines are not hard to find, but just an engine does not show us what we need to see. We think we might have the cap from the filler neck of the water reservoir (aka header tank) that sat on top of the engine.

 9 
 on: April 09, 2024, 05:58:53 PM 
Started by Ric Gillespie - Last post by Kurt Kummer
I imagine you've already seen this Ric, but just in case...  https://www.skoda-storyboard.com/en/press-releases/skoda-museum-presents-an-extraordinary-exhibit-the-w12-aircraft-engine-by-laurin-klement/

 10 
 on: April 05, 2024, 12:43:55 PM 
Started by Ric Gillespie - Last post by Ric Gillespie
Current research suggests the artifact we found in 2021 may be the cap on either the coolant filler neck or coolant drain plug for the W12 Lorraine Dietrich engine of l'Oiseau Blanc.
Unfortunately, neither the Lorraine Dietrich manual nor the parts manual for the Levasseur PL-4 aircraft (from which the PL-8 l'Oiseau Blanc was derived) shows those features.  We need a surviving PL-4 with a Lorraine Dietrich W12 engine but we can't find a museum or collection that has one.

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