kolibri282
Super Member
title:An Analytical Evaluation of Airfoil Sections for Helicopter Roto Applications
author: Bingham, Gene J.
https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19750007535.pdf
author: Bingham, Gene J.
https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19750007535.pdf