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Search: Posts Made By: used2flyboeing
Showing results 1 to 35 of 110
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Forum: Tech Log
2nd May 2005, 05:46
Replies: 12
Views: 9,747
Posted By used2flyboeing

mach trim is simply a speed stability function so...

mach trim is simply a speed stability function so the airplane cannot run away with itself - ie worst case is mach tuck. If you trim out your airplane and add thrust - you can see the trim change...
Forum: Tech Log
2nd May 2005, 05:37
Replies: 44
Views: 16,848
Posted By used2flyboeing

All airliners have gizmos to prevent stall and...

All airliners have gizmos to prevent stall and pitch instability that could lead to stall - Boeing uses autoslats, stick pushers, stick nudgers and engine nacelle vortex vanes/chines.

The T-tail...
Forum: Tech Log
1st May 2005, 15:19
Replies: 23
Views: 11,308
Posted By used2flyboeing

boeing has some trick inlet guide vanes that the...

boeing has some trick inlet guide vanes that the use in internal engine ducts to suppress noise - Ive heard that the oil companies use the same concept oil on distribution pipelines to control eddy...
Forum: Tech Log
1st May 2005, 15:11
Replies: 3
Views: 1,643
Posted By used2flyboeing

If you check out Boeing aircraft - the engines...

If you check out Boeing aircraft - the engines are "toed" inwards towards the bow wave ...
Forum: Tech Log
1st May 2005, 15:01
Replies: 8
Views: 3,958
Posted By used2flyboeing

Any landing gear designer would tell you that...

Any landing gear designer would tell you that they "have to put the trucks in some sort of orientation" hence the truck tilt actuator & usually in a toesup position. Airbus & Boeing do use the...
Forum: Tech Log
30th Apr 2005, 11:34
Replies: 8
Views: 3,958
Posted By used2flyboeing

As a best practice - "toes down" truck...

As a best practice - "toes down" truck orientation is to be avoided .. this is because if you draw a free body diagram of the post and gear you will see that this orientation contributes to landing...
Forum: Tech Log
16th Apr 2005, 07:30
Replies: 6
Views: 2,609
Posted By used2flyboeing

pax britanica - I used to fly those SAS MD-80s...

pax britanica - I used to fly those SAS MD-80s with all the locals on them around the northern European countries - all I remember is trying to keep my head below the cigarette strata in the cabin -...
Forum: Tech Log
16th Apr 2005, 07:18
Replies: 20
Views: 6,830
Posted By used2flyboeing

Techman said: [ I still find it a strange...

Techman said:

[ I still find it a strange question or perhaps more accurately put, a worrying question.

Also,

"However looking at the diagrams of the pitch and rudder control, it appears...
Forum: Tech Log
15th Apr 2005, 01:24
Replies: 8
Views: 12,425
Posted By used2flyboeing

747-400 IS NOT FLY BY WIRE .. IT IS FLY BY CABLE...

747-400 IS NOT FLY BY WIRE .. IT IS FLY BY CABLE CONNECTED TO HYDROMECHANICAL prime movers .. It has computers that can drive all that clap-trap - those are the autopilot, flight management system...
Forum: Tech Log
15th Apr 2005, 01:11
Replies: 6
Views: 2,609
Posted By used2flyboeing

HENCE - the MD80 is no longer a certifiable...

HENCE - the MD80 is no longer a certifiable design because of not only ice injestion, but also because of blade out which was demonstrated recently in a fatal uncontained engine burst which took out...
Forum: Tech Log
15th Apr 2005, 00:59
Replies: 20
Views: 6,830
Posted By used2flyboeing

don't have the latest FCOMS .. was curious about...

don't have the latest FCOMS .. was curious about the modern AIRBUS aircrafts & what lengths they were going to to save weight ( cable are heavy - especially ones that run the length of the airplane )...
Forum: Tech Log
15th Apr 2005, 00:44
Replies: 10
Views: 3,282
Posted By used2flyboeing

they all have ram air turbines ..the 757 are...

they all have ram air turbines ..the 757 are compression spring deployable & the 76's are hydraulically deployable & stowable .. and yes they have been proven to work ..
Forum: Tech Log
14th Apr 2005, 23:16
Replies: 10
Views: 3,282
Posted By used2flyboeing

thats correct - you step up for the 767 & step...

thats correct - you step up for the 767 & step down in the 757 & in the 747 - you really step up & they even give you a "bump" on the cockpit for head clearance so you can sit on your wallet - it was...
Forum: Tech Log
14th Apr 2005, 22:58
Replies: 58
Views: 12,689
Posted By used2flyboeing

Rananim said: [ I wish Airbus the best of...

Rananim said:

[ I wish Airbus the best of luck...I dont like their aircraft but they are innovative and pushing the envelope in design and experimentation and thats gutsy and deserves praise ]...
Forum: Tech Log
13th Apr 2005, 15:51
Replies: 22
Views: 7,277
Posted By used2flyboeing

CALL 1-206-544-7500 BOEING RAPID RESPONSE CENTER...

CALL 1-206-544-7500 BOEING RAPID RESPONSE CENTER ..& TALK TO ONE OF THEIE MECHANICS .. SHOULDNT COST YOU ANYTHING EITHER ..
Forum: Tech Log
13th Apr 2005, 15:45
Replies: 57
Views: 49,899
Posted By used2flyboeing

Unducted fan is always more reliable than the...

Unducted fan is always more reliable than the ducted fan that is characteristic on jets ..but then there is the blade out concerns, passenger perception of throttle perturbations, noise & vibration ..
Forum: Tech Log
12th Apr 2005, 17:58
Replies: 57
Views: 49,899
Posted By used2flyboeing

Dash - 8 is one of the safest turboprops ever...

Dash - 8 is one of the safest turboprops ever made - it has fantastic short field performance, I witnessed a demo at Yankee stadium where a D-8 landed on the diamond,periouted & took off again outof...
Forum: Tech Log
12th Apr 2005, 17:40
Replies: 58
Views: 12,689
Posted By used2flyboeing

Clarence - when I said to big to fail Euro...

Clarence - when I said to big to fail Euro programs - I was alluding to the socio-economic differences between the US and other places that affect the viability of certain programmes: Im not saying...
Forum: Tech Log
10th Apr 2005, 04:20
Replies: 22
Views: 8,463
Posted By used2flyboeing

when I said extra-human I did not mean 4th crew...

when I said extra-human I did not mean 4th crew member - I recall a BA flight instructor told me that the flight engineer or FO flew throttles w/autothrottle unavailable b/c it was Sooo speed...
Forum: Tech Log
9th Apr 2005, 05:36
Replies: 17
Views: 2,481
Posted By used2flyboeing

flight simulator landings are considered...

flight simulator landings are considered "crashed" if you hit the deck exceeding 300 ft/sec V/S .. so there must be a spec from someone - faa or one of the commercial airplane builders that says the...
Forum: Tech Log
9th Apr 2005, 05:31
Replies: 22
Views: 8,463
Posted By used2flyboeing

THe Delta is a nifty high speed design, but...

THe Delta is a nifty high speed design, but terrible for low speed control ( speed unstable ) hence the need for an extra human on the COncorde flight deck to work the throttles - in case the analog...
Forum: Tech Log
9th Apr 2005, 03:35
Replies: 58
Views: 12,689
Posted By used2flyboeing

OLd BEans - this is not as amuzing as it seems -...

OLd BEans - this is not as amuzing as it seems - this airplane is so hugh - it will be like asking for volunteers to parajump off the twin-towers !! Ive heard the visuals of looking down the slide...
Forum: Tech Log
9th Apr 2005, 03:21
Replies: 20
Views: 6,830
Posted By used2flyboeing

DOES THE A320,330 or A340 USE A MECHANICAL BACKUP SYSTEM FOR THEIR FBW ?

Dear Learned Colleagues,

What kind of mechanical redundency does AIRBUS use on their fly-by-wire aircrafts ? Do they, like the 777, have a backup set of panels driven by cables ? I think the...
Forum: Tech Log
6th Jun 2004, 00:14
Replies: 20
Views: 6,135
Posted By used2flyboeing

Until the 777 development there were no FAA...

Until the 777 development there were no FAA standards concerning water injestion tolerance .. some engines like the CF-6 are naturally tolerant to water - other engines were very intolerant to water...
Forum: Engineers & Technicians
1st Dec 2003, 21:25
Replies: 6
Views: 963
Posted By used2flyboeing

Are you with an AIRLINE ? Send me your email - we...

Are you with an AIRLINE ? Send me your email - we have had our engineers literally create a specialized tool for this - it uses White LEDs for illumination ( white as in white light - like a flash...
Forum: Tech Log
26th Nov 2003, 11:48
Replies: 30
Views: 5,871
Posted By used2flyboeing

you mean 727 ??

you mean 727 ??
Forum: Tech Log
25th Nov 2003, 13:36
Replies: 26
Views: 6,998
Posted By used2flyboeing

Felix - AIRBUS is notorious about missing weight...

Felix - AIRBUS is notorious about missing weight & performance guarantees - the A340 initially missed its performance guaranees by such a wide marin that Airbus initiated its "Performance Improvemen...
Forum: Tech Log
23rd Nov 2003, 03:44
Replies: 13
Views: 15,034
Posted By used2flyboeing

Bent winglets are good - but they are really...

Bent winglets are good - but they are really onthere for sex appeal .. The Boeing raked winglets are really quite interesting - their profile on the bullnose is rather blunt - some exotic engineering...
Forum: Tech Log
23rd Nov 2003, 03:37
Replies: 26
Views: 6,998
Posted By used2flyboeing

I dont tink you are correct on the "getting...

I dont tink you are correct on the "getting A340as from Boeing because AIRBUS is low on them" - the world is awash right now in A340-200 & 300's - and Boein airplanes for that matter, AIRBUS as a...
Forum: Tech Log
23rd Nov 2003, 03:30
Replies: 3
Views: 7,543
Posted By used2flyboeing

The ACJ introduced the AUX - Fuel system - it is...

The ACJ introduced the AUX - Fuel system - it is loaded into the cargo bay just like a ULD & is strapped down like a pallet - the tanks are "gang-loaded" one after another - Ive heard they have a...
Forum: Tech Log
23rd Nov 2003, 03:22
Replies: 30
Views: 5,871
Posted By used2flyboeing

When DASSAULT rolls out a product it is spot on -...

When DASSAULT rolls out a product it is spot on - AIRBUS - it is redesigned while it is in production ..
Forum: Tech Log
22nd Nov 2003, 02:04
Replies: 2
Views: 1,484
Posted By used2flyboeing

I SEE MOOSE"S POINT & I'll RAISE YA ONE ..( Im...

I SEE MOOSE"S POINT & I'll RAISE YA ONE ..( Im assuming you are talking about the RJ200 ) - THE CRJ700/900 have no problems like this ..

The FAA issued an airworthyness directive on the...
Forum: Tech Log
22nd Nov 2003, 01:53
Replies: 14
Views: 4,312
Posted By used2flyboeing

the 707 is still a very "hot bird" even by modern...

the 707 is still a very "hot bird" even by modern standards, its low altitude speed cannot be matched - hence the AirForces continued interest in it as a platform.. IE low level flying under radar...
Forum: Tech Log
22nd Nov 2003, 01:45
Replies: 26
Views: 6,998
Posted By used2flyboeing

why would Boeing "buy" A340's from SQ ?

why would Boeing "buy" A340's from SQ ?
Forum: Tech Log
21st Nov 2003, 04:02
Replies: 0
Views: 878
Posted By used2flyboeing

Airbus A340 Wing Rib Wieghts

I saw an AIRBUS in for a skin repair- it had these relatively large & heavy slugs of weight on the wing rigs - ( IE inside the wing )- outboard of the outboard engines - what gives ? Must be flutter...
Showing results 1 to 35 of 110
 
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