Mini Dirty Birdy, DirtE BirdE wing cores 77.5 percent, 45 inch wingspan


Custom Mini Dirty Birdy / DirtE BirdE wing cores. These are cut to exactly match Mark Rittinger’s DirtE BirdE drawings – a 77.5 percent, pocket pattern, Dirty Birdy. CNC cut from 1lb/ft3 virgin foam.

Mark’s drawings are available for free download

Out of stock


We have reduced our prices, but discontinued our flat rate shipping policy because of increased shipping costs worldwide. When your kit is ready to ship we will paypal invoice the actual shipping cost at the time of shipment. We generally ship fedex ground for domestic shipments and US Mail connecting to your country mail system for shipments outside of North America. You can get an estimate of the shipping cost at or Classic pattern models with a wing chord of 12″ or less can usually ship in a single box 12x12x60. Larger wings require a second box for the wing cores.