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Forum: Tech Log

29th Mar 2009, 14:04

Replies: 52

Which aircraft have pos/neg elevator lift?

Views: 14,338

Posted By Dani

Rubik, where are the vortex generator on a 737? I...

Rubik, where are the vortex generator on a 737? I only know these on the tail fuselage between the vertical and the horizontal stabilizer. I couldn't find one picture that showed me some on the...

Forum: Tech Log

27th Mar 2009, 20:58

Replies: 52

Which aircraft have pos/neg elevator lift?

Views: 14,338

Posted By Dani

OK, so far so interesting... Let's make it...

OK, so far so interesting...

Let's make it more complicated: Why do we de-ice the top of the elevator, since we know that it's the underside that produces (down)lift? If there is snow and ice on...

Forum: Tech Log

27th Mar 2009, 14:00

Replies: 52

Which aircraft have pos/neg elevator lift?

Views: 14,338

Posted By Dani

Thanks a lot for this discussion. Also for...

Thanks a lot for this discussion.

Also for you, L337, who confirms my thoughts about trim tanks. You would sacrifice stability for more lift. Still we don't know if the total lift of the elevator...

Forum: Tech Log

26th Mar 2009, 14:39

Replies: 52

Which aircraft have pos/neg elevator lift?

Views: 14,338

Posted By Dani

Thanks so far. I also appreciate the above...

Thanks so far. I also appreciate the above mentioned site, where it says:

As "most" doesn't mean "all", there must be some aircraft with positive tail lift?

Forum: Tech Log

26th Mar 2009, 10:41

Replies: 52

Which aircraft have pos/neg elevator lift?

Views: 14,338

Posted By Dani

Thanks for your input. I remember making my...

Thanks for your input.

I remember making my RC models where I had to shape the profile of the elevator of a model glider. The profile was not a negative one. So would that be an exception?

Dani

Forum: Tech Log

26th Mar 2009, 09:37

Replies: 52

Which aircraft have pos/neg elevator lift?

Views: 14,338

Posted By Dani

Which aircraft have pos/neg elevator lift?

In context of the Buffalo accident we had a discussion of basic aerodynamics on elevators.

It is widely accepted that "modern" aircraft have a negative lift produced by the elevator.

Question:...

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