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Forum: Tech Log

31st Mar 2009, 12:52

Replies: 1

Flight Profiles

Views: 830

Posted By neorich2002

Flight Profiles

Dear Forum, I have some questions I hope you can answer.

I am interested to know how the entire profiles of flights change between different types of aircraft and different types of routes. Is it...

Forum: Tech Log

27th Jul 2006, 16:22

Replies: 20

Lift Coefficient Questions

Views: 3,853

Posted By neorich2002

Yes, i know L=W in level flight. Therefore given...

Yes, i know L=W in level flight. Therefore given the weight i could calculate Cl.

But say I was doing a calculation to figure out what velocity i would need to be at in order to take off where L...

Forum: Tech Log

27th Jul 2006, 15:46

Replies: 20

Lift Coefficient Questions

Views: 3,853

Posted By neorich2002

Thankyou all for your contributions, very...

Thankyou all for your contributions, very helpfull indeed.

Just one more thing with regard to my question 2. Does anyone have a typical value for the coefficient of lift, Cl, which I could use in...

Forum: Tech Log

26th Jul 2006, 16:57

Replies: 20

Lift Coefficient Questions

Views: 3,853

Posted By neorich2002

Thanks guys, very helpfull. chornedsnorkack:...

Thanks guys, very helpfull.

chornedsnorkack:

Do you mean that most planes cannot takeoff solely on the lift generated by the wings, and therefore require some vertical component of thrust...

Forum: Tech Log

26th Jul 2006, 14:52

Replies: 20

Lift Coefficient Questions

Views: 3,853

Posted By neorich2002

Thanks barit1 and gearpins, so 210kts would be...

Thanks barit1 and gearpins, so 210kts would be the optimum speed to acheive longest glide distance in the situation you described?

Just to rephrase the end of my question 1:

In determining what...

Forum: Tech Log

25th Jul 2006, 21:34

Replies: 20

Lift Coefficient Questions

Views: 3,853

Posted By neorich2002

Yes. Representative numbers would be very...

Yes.

Representative numbers would be very helpful though, if anyone could oblige.

Thanks

Regards

neorich2002

Forum: Tech Log

25th Jul 2006, 20:03

Replies: 20

Lift Coefficient Questions

Views: 3,853

Posted By neorich2002

Thankyou for your reply, and thanks for putting...

Thankyou for your reply, and thanks for putting in the numbers (which was the problem to begin with). What would be the maximum climb rate achievable on a typical commercial airliner, and the minimum...

Forum: Tech Log

25th Jul 2006, 14:05

Replies: 20

Lift Coefficient Questions

Views: 3,853

Posted By neorich2002

Lift Coefficient Questions

Good afternoon, I wonder if you could help me please, im trying to find some typical numbers for the following.

1.) By how much (i.e. 30% more etc) does the lift on takeoff generally exceed the...

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