get the NEW 13th edition Secrets of Tunnel Boat Design book by Jim Russell

...also see Scream and Fly magazine Review of TBDP/VBDP Version 8
"...the very best and most comprehensive performance evaluation tool available."

Scream and Fly magazine Reviews "Tunnel Boat Design Program" (V7.1) software

[download your own copy of the Scream&Fly Review of "Tunnel Boat Design Program", V7.1 software]   [Ver 7 Review at S&F site]   [Ver 8 Review at S&F site]

[see What's New in Version 8 summary]     [more on TBDP and VBDP]     [S&F Review of 'Secrets of Tunnel Boat Design' book]

[Reprinted by permission of Scream & Fly on-line magazine]

[download your own copy of the Scream&Fly Review of "Tunnel Boat Design Program", V7.1 software]   [see Review at S&F site]

[see What's New in Version 8.0 summary]     [more on TBDP and VBDP]     [S&F Review of 'Secrets of Tunnel Boat Design' book]

[Reprinted by permission of Scream & Fly on-line magazine]