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Search: Posts Made By: Dick Whittingham
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Forum: Tech Log
21st Mar 2005, 18:47
Replies: 53
Views: 31,262
Posted By Dick Whittingham

I hesitate to intervene again, but let us use a...

I hesitate to intervene again, but let us use a bit of logic on the “percentage” argument, which seems to be:

Proposition 1: If wing alpha is greater than tail alpha then an increase in the same...
Forum: Tech Log
17th Mar 2005, 17:32
Replies: 53
Views: 31,262
Posted By Dick Whittingham

Both those links invoke the discredited...

Both those links invoke the discredited percentage or proportionality argument.

Personally, I believe MadFlt Scientist when he says that fundamentally longitudinal dihedral does not enhance...
Forum: Tech Log
12th Mar 2005, 21:26
Replies: 53
Views: 31,262
Posted By Dick Whittingham

Sorry, I was relying on little pencil sketches....

Sorry, I was relying on little pencil sketches. I'll drop that one.

Thank you all once again for a most informative set of posts. I raised this here because of a query on the Wannabees forum that...
Forum: Tech Log
12th Mar 2005, 19:32
Replies: 53
Views: 31,262
Posted By Dick Whittingham

This is all happening too fast for me. Two...

This is all happening too fast for me. Two glasses of the Coonawara shiraz and the debate has gone out of control behind my back.

I am now happy in my own world that longitudinal dihedral does...
Forum: Tech Log
12th Mar 2005, 18:03
Replies: 53
Views: 31,262
Posted By Dick Whittingham

C'mon fellas, I'm a retired CFS*, and here I am...

C'mon fellas, I'm a retired CFS*, and here I am asking for help.

BEagle's equations are internally consistent, but I still have an emotional problem with the concusions. If you consider an...
Forum: Tech Log
12th Mar 2005, 17:07
Replies: 53
Views: 31,262
Posted By Dick Whittingham

BEagle Well, that's a blow! I am going to...

BEagle

Well, that's a blow! I am going to copy that to Word and work on it.

Dick W
Forum: Tech Log
12th Mar 2005, 14:34
Replies: 53
Views: 31,262
Posted By Dick Whittingham

Thank you all for your inputs. I have to...

Thank you all for your inputs.

I have to admit that it was the "CFS" explanation that I described as fundamentally flawed. As far as I can see the main reason for designing in a longitudinal...
Forum: Tech Log
11th Mar 2005, 20:42
Replies: 53
Views: 31,262
Posted By Dick Whittingham

Longitudinal Dihedral

Longitudinal Dihedral

Old definition: Angle between the angles of incidence of the wing and tailplane. Positive if the wing incidence is greater.

All-moving tails or tails with trim systems...
Showing results 1 to 8 of 8


 
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