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Author Topic: SAI 404  (Read 5041 times)

Offline airman

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SAI 404
« on: September 24, 2009, 05:53:18 am »
an other  never build aircraft with  Isotta Fraschini Zeta  was Sai 404
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Offline Skybolt

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SAI 404
« Reply #1 on: September 24, 2009, 06:08:28 am »
Sure, but please start a new topic on this. BTW, there was a 404a and a 504, too. But for those you'll have to wait Italian Secret Projects.
« Last Edit: September 24, 2009, 06:11:26 am by Skybolt »

Offline hesham

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Re: SAI 404
« Reply #2 on: September 25, 2009, 10:59:24 am »
Sure, but please start a new topic on this. BTW, there was a 404a and a 504, too. But for those you'll have to wait Italian Secret Projects.

May by you are right my dear Skybolt,there was Ambrosini SAI-503,an improved version
of the SAI-403, as single seat fighter,and may be the design was SAI-504.

Offline Skybolt

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Re: SAI 404
« Reply #3 on: September 25, 2009, 11:08:16 am »
I'm surely right, since I' reading the original report .... The 504 was an evolution of the 404a, which was an evolution ot the 404. They all were at least 5 years too late.

Offline airman

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Re: SAI 404
« Reply #4 on: September 25, 2009, 11:57:40 am »
Well, Sai 404 was designed in august 1942, for engine Isotta-Fraschini with Hp 1200 -1400 . It was excepted for a speed of 670 km/h , two gun Safat of 12,7 mm and two Mauser of 20 mm .Abandoned for situation political-military of country !
( i hope to had translated good from italian ) - the magazine of this information is AEREI of Delta Editrice , n.11 - novembre 1995
In future book about Italian Secret Projects i hope to find more about this !
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Offline Skybolt

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Re: SAI 404
« Reply #5 on: October 01, 2009, 08:54:57 am »
SAi-404 was a sound design by Ing. Rossi, a very humble and serious designer. BUT: 1) The design was inspired by the Bf-109, down to the methods of construction, six years later; 2) The max speed was only calculated speed (there aren't clues of any serious wind tunnel test on models), and 3) the power rating of the Zeta engine and its real behavious in real operation conditions  were very wishful thinking. Starting the development of just another single engine fighter in late 1942 in a very peripheral company would have been an unmindful waste of resources. Italy had already three flying fighters in the same class, even well varied (C.205 better at mid to low alttudes; G.55 and Re.2005 better at high altitudes). We needed numbers by the end of 1942.

Offline hesham

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Re: SAI 404
« Reply #6 on: December 25, 2013, 07:55:34 am »
Hi,


in Le FANA December 2013 issue,they spoke about SAI-504 as a single seat
fighter project developed from SAI-403,with 1400 hp Isotta Fraschini Zeta
engine,also SAI-403 A,B & C unbuilt projects,Type A interceptor with two 12,7 mm
cannon,Type B multi-role fighter two 20 mm cannon and Type C long range fighter.


Offline hesham

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Re: SAI 404
« Reply #7 on: January 27, 2016, 04:55:08 am »
Hi,


in Le FANA December 2013 issue,they spoke about SAI-504 as a single seat
fighter project developed from SAI-403,with 1400 hp Isotta Fraschini Zeta
engine,also SAI-403 A,B & C unbuilt projects,Type A interceptor with two 12,7 mm
cannon,Type B multi-role fighter two 20 mm cannon and Type C long range fighter.

The text.