Thread: Question Dirty Birdy 20
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Old Nov 16, 2011, 10:40 AM
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When you refer to the Dirty Birdy 20 what particular model or plan are you referring to?

The reason I ask is because Bridi never kitted a Dirty Birdy 20, what he did kit was a model called the Tweedy Bird (TB). This last had a 48-3/4" wing span with 400 squares.

Both David Wood and myself scaled Dirty Birdy 60 plans to produce a "20 size" version. David's were scaled to 48" if memory serves, mine were scaled to the same span as the TB which produced a wing with slightly more area; ~408 squares, again, if memory serves.

You might be interested in the following thread:

Recent posts talk about the plans.

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