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-   -   Falcon 7X Braking System (https://www.pprune.org/biz-jets-ag-flying-ga-etc/381071-falcon-7x-braking-system.html)

leonard17F 12th Jul 2009 17:35

Falcon 7X Braking System
 
Hello All !

We at I.A.I. are currently in the home stretch of developing the brand new G-250, a super mid-size jet that will use a similar braking system as the Falcon 7X.

If you operate the 7X, we would like to have your general impressions regarding its braking system, in comparison to other airplanes you have operated in the past, and in particular regarding Differential pressure action and Malfunctions.

Thanks a lot for your help,

Leonard

The BFG 16th Jul 2009 08:45

Try posting here:

EASy Answers - Forums powered by UBB.threads™

You might have more luck!

Regards,

BF

leonard17F 16th Jul 2009 16:42

Thx !
 
Apart from an issue of pebbles getting into the brakes, no luck so far...

CL300 17th Jul 2009 04:52

It is the same braking system as all BBW units. Working at IAI, you have access to one of the precursor, ie GLF4.

If you are talking about NSWS then this is another story , but again, Airbus is doing it for a while, even Learjet had 'akindof' device.

For the brakes, they brake when needed, with the power of Carbon brakes,a bit touchy as usual when very light; not as the GLF5.

What is behind your question ?

leonard17F 7th Aug 2009 14:45

Hi CL 300 and all,

As an IAI TP, I have NO direct access to Gulfstream Large Cabins (apart from few Special-Missions/AWACS G5/G550, which I do not fly myself unfortunately...)

Since the system for the brand new G250 is the same as for the F7X, and is VERY different from what we had on the G150 and G200, I wished to have feedback from mighty F7X pilots, on daily operations, strong points and possible flaws.

Thanks for your help again !

Mizuno boy 8th Aug 2009 01:59

Not sure Gulfstream or other aircraft but 7X brakes are very effective, although somewhat sensitive. No complaints once you get used to them.

Cheers
MB

artip 8th Aug 2009 08:03

Hi,

The 7X braking system is pretty good as far as braking. Sometimes a bit sensiteve, but you get used to that quickly.

The nose wheel steering (NWS) is via the pedals and can be a bit tricky in the beginning. You are not allowed to brake with both pedals in a turn, especially the outer wheel in the turn. You WILL get a CAS message saying your brake system has failed.

Personally, I miss the good old tiller.

Cheers,
A

His dudeness 8th Aug 2009 09:40


You are not allowed to brake with both pedals in a turn, especially the outer wheel in the turn.
:confused:

Not allowed to brake with both brakes in a turn? How on earth gets something like that certified???

Green Cactus 8th Aug 2009 11:35

that issue has been resolved (well, kinda...).

The new limitation is no braking of the outside wheel.

GC

CL300 9th Aug 2009 13:53

well it is like this, you do not really loose the NWS it becomes restricted to +/- 1.5 degree.

On the certification page, there is nowhere written that you have to take high speed taxiways. On the landing phase that starts at 50 ft and ends at plane stopped on the runway using all decelerating devices available and only the ones which failure rate is less than whateverIcantremenber percentage.

this is why at the beginning some landing where VERY interesting in the 7X

Johnny Redd 12th Aug 2009 22:44

What ever you do dont copy the F900. IMHO (and let the shouting commence), get a CL300 and just do what it does.

A tiller that's entirely intuitive that manoeuvres the aircraft like a small car and brakes that work everywhere between gentle and VIOLENT if thats what you need. :}


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