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-   -   Question for Dash-8 Drivers (https://www.airlinepilotforums.com/regional/42326-question-dash-8-drivers.html)

flynwmn 07-30-2009 10:17 AM

ZFW's in the 100's are 31300 and 31400 depending on mod all of pdt's are 31400 supposedly there is a mod that can bring that to 31900 but involves changing the spar on a 100 to a 200 spar.

t207 07-30-2009 11:23 AM

ON our 200's the ZFW is 32000.

RedBaron007 08-06-2009 06:26 AM


Originally Posted by flynwmn (Post 653470)
ZFW's in the 100's are 31300 and 31400 depending on mod all of pdt's are 31400 supposedly there is a mod that can bring that to 31900 but involves changing the spar on a 100 to a 200 spar.

Does anyone know why changing to a -200 spar would change the ZFW? I would think that spar would be beefier than the -100 spar since it strengthens the wing to hold -300 engines and go faster. Maybe I'm just too tired and not seeing something obvious with the airframe strength relating to ZFW?

Dash8widget 08-06-2009 07:26 AM


Originally Posted by t207 (Post 653529)
ON our 200's the ZFW is 32000.

I seem to remember that QX's 200's had a max ZFW of 32400. I'm surprised that you guys are usually able to take a jumpseater then - maybe your average BOW's are less but don't Mesa's 200's have APUs? They weren't installed on the QX 200's and max ZFW was still a problem and that's with 400 more available lbs.

Max landing weight was 34500 - you could always take 2100 lbs of fuel + burn + 100 lbs for taxi. It's been a little while now, but that's one of those numbers I will probably always remember :)

Dash8widget 08-06-2009 07:39 AM


Originally Posted by RedBaron007 (Post 657173)
Does anyone know why changing to a -200 spar would change the ZFW? I would think that spar would be beefier than the -100 spar since it strengthens the wing to hold -300 engines and go faster. Maybe I'm just too tired and not seeing something obvious with the airframe strength relating to ZFW?

It's the MAX ZFW that is the issue. The wing has to carry the load of the fuselage and this leads to bending stresses in the wing, especially at the wing attach points. By strengthening the wing it can handle an increase in these stresses. Since the fuel is carried in the wing its weight does not add to this flexing at the attach point and thus can be carried in excess of the max ZFW.

Having said this - I doubt that swapping a Q200 wing spar would be much of an option. The spars are (usually two spars - front and rear) an integral part of the wing and the wing would probably have to be disassemble to replace the spars. A major undertaking to get only 500 lbs more allowable ZFW. A more likely scenario would be to add to the existing spar to beef it up a bit - still, a costly solution but a bit more doable.

flynwmn 08-06-2009 08:21 AM

I think the program is part of the Dash 8 q1 update program if you are going to gut the flight deck replace the gear beefing up the spar probably will be worth it.

SpiraMirabilis 08-08-2009 07:57 AM

Mesa counts every bag in the cargo compartment as 30 lbs, even carry ons. So that is 190lbs of pax + carry on + 30 lbs in the back if they check the carry on.

Why, for the love of all that is holy, are some people criticizing doing what it takes (2 minutes to move 3 or 4 bags up front) to get a brother or sister pilot in the jump?

DASH8AV8R 08-08-2009 08:30 AM

Because the Feds do not allow you to move bags from the cargo bin to the passenger compartment.
Please be careful posting on public forums.;)

SpiraMirabilis 08-09-2009 10:26 AM

And that is written... where exactly? You're not allowed to move CHECKED bags from the cargo compartment to the passenger compartment but you MAY move already screened carry on bags (which have a special ALREADY SCREENED neon green tag in united) from the cargo compartment to the passenger compartment.

Not only would I say this in public, I would do it in front of a safety inspector grinning the entire time. Besides, most of the time they're not even in the cargo compartment yet -- they're on the rack.

DASH8AV8R 08-09-2009 11:48 AM

It is in my FOM page 13-5 & POH 10-9!!
I am not trying to get in a p*ssing match with you or tell you how to load you A/C .
But I have read FAA AC 120-27E. And always leave room for error. Thanks for the insight. Dash:cool:


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