Louis Wattier Transatlantic Flying Boat Project of 1927

[hesham]

Hi,

Mr. Clarence D. Chamberlin was American as in Aerofiles site,and he designed a four engined parasol-wing transatlantic
flying boat monoplane Project of 1927,it's unknown one ?.

L'Air Revue 1927

 

[Apophenia]

I'm fairly certain that Clarence Chamberlin had nothing to do with this concept ... Chamberlin and Lindbergh are simply mentioned as contemporary trans-Atlantic aviators in the into. The article seems to be just a general discussion of what would be needed for the design of trans-Atlantic flying boats.

The caption beneath the 3-view drawing reads something like: "Flying boat-hulled seaplane "Hydro-lest" Wattier. Power 2600 hp. Weight 24 tonnes." I have no idea what 'Hydro-Ballast' might refer to in this context but Wattier is a fairly common French surname. My guess is that this drawing is of a general flying boat concept devised by a certain Monsieur Wattier. If so, we need a new title for this thread ... and hopefully some clues as to who this M. Wattier might have been.

 

[Schneiderman]

Correct. This concept is the work of Louis Wattier, there are several patents in his name. One patent is for the hydro-ballast system, tanks in the hull that fill with water to improve stability on the water and which are emptied using compressed air prior to take-off.
The thread title needs to be changed.

 

[hesham]

Thank you my dears Apophenia and Schneiderman,

I used the Google translate,but I think he was a French,right ?.

 

[Apophenia]

... but I think he was a French,right ?.

Yes, Paris-based.

Thanks for the tip Schneiderman:

Application to seaplanes of water ballast or the like
FR557385A Louis Wattier Filed 1922-10-13, Granted 1923-08-08, Published 1923-08-08[/B]

 

[Avimimus]

Is that a giant parasol 10 metres above the water-line?

 

[riggerrob]

That is a giant parasol wing high above the water-line.
Outer wing panels do fold to reduce width/beam in harbour, but the wing still raises the centre of gravity and acts as a sail in cross-winds.
Even with patented water-ballast tanks, I am skeptical about how stable that hull could be in cross-winds. At minimum, I would prefer harder chines ... more bouyancy farther outboard.