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Search: Posts Made By: john_tullamarine
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Forum: Tech Log
3rd Sep 2019, 11:07
Replies: 17
Views: 5,659
Posted By john_tullamarine

Drawn using a different trim datum but might be...

Drawn using a different trim datum but might be useful for sorting out the envelope problem.

Good stuff to see an old Ta-Taa's trimsheet again.
Forum: Tech Log
15th Jul 2019, 23:52
Replies: 17
Views: 5,659
Posted By john_tullamarine

This is the only paper I've found regarding a...

This is the only paper I've found regarding a DC-9's takeoff prep

Then do make sure that the model used and the one you are trying to model are the same - the numbers do differ between models.
...
Forum: Tech Log
26th Mar 2019, 08:52
Replies: 17
Views: 5,659
Posted By john_tullamarine

I've located some data for the -32. However,...

I've located some data for the -32. However, unless the curtailment for the OP's chart has been a little strange, it appears not to be consistent with the certification data. Perhaps the OP might...
Forum: Tech Log
25th Mar 2019, 23:04
Replies: 17
Views: 5,659
Posted By john_tullamarine

I assume that chart is for only one flap setting ...

I assume that chart is for only one flap setting

Correct

On ours, we get the MAC off the top of the graph then extract the Stab trim from the above table, depending on the flap setting.
...
Forum: Tech Log
25th Mar 2019, 22:07
Replies: 17
Views: 5,659
Posted By john_tullamarine

Some comments re the previous two posts - As...

Some comments re the previous two posts -

As for % MAC the diagram does not contain MAC dimensions... You would need to know the width of the MAC.

Not the case, I'm afraid, except to the...
Forum: Tech Log
23rd Mar 2019, 10:54
Replies: 17
Views: 5,659
Posted By john_tullamarine

What I am looking for in this document's charts...

What I am looking for in this document's charts is the center of gravity position limits as percentages of MAC

The chart presumably is part of a system with some tabular data to figure the...
Showing results 1 to 6 of 6


 
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