Search: Posts Made By: scruffy1
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Forum: Aerodynamics
09-24-2012, 01:18 AM
Replies: 15
Views: 15,195
Posted By scruffy1

hi don long time no see on the forums since...

hi don

long time no see on the forums since you helped me with my catalyst design :)

i revisited your directions in creating a v tail for my cuckoo, after the supplied wood wasn't really up to...
Forum: Aerodynamics
01-06-2012, 12:35 AM
Replies: 15
Views: 15,195
Posted By scruffy1

yep i'm old enough to be using the 2nd edition;...

yep i'm old enough to be using the 2nd edition; but it says basically the same thing

the direct initial quote was from his lighter tome "model flight" which is probably just as old, and i...
Forum: Aerodynamics
01-05-2012, 01:07 PM
Replies: 15
Views: 15,195
Posted By scruffy1

according to martin simons "the effective areas...

according to martin simons "the effective areas are those found by projection horizontally and vertically" although he concedes it may need to be slightly more in practice

also, he notes that spin...
Forum: Aerodynamics
01-05-2012, 12:32 PM
Replies: 15
Views: 15,195
Posted By scruffy1

the areas need to be right in the vertical and...

the areas need to be right in the vertical and horizontal projections

included angle seems to "look" best at ~ 100 - 100 degrees, but the rest of it is up to personal taste

so in essence if...
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