Farr 40 Tuning Guide

Doyle Base Settings

Forestay	Using the Arc Method described in the Doyle Tuning Guide, measure -1.475m from the Headstay Mark to the center of the Forestay Pin.
Caps	#64 RT 11 Rod Loos Gauge
D1s	#31 RT 11 Rod Loos Gauge
Headstay Pin Measurement	225mm
Jack Pressure	3600 PSI
J	Max
Mast Base	127.5mm from the bulk head to front of mast
TWS (knots)	Headstay Full Turns from Base
6	-6
8	-4
10	Base
12	+4
14	+6
16	+8
18	+10
20	+12
22+	+15

For more information or to order Farr 40 Class sails:

• Contact John Baxter, Doyle Midwest
  
• Email jbaxter@doylesails.com
• Call 312.421.9900


• Contact your local Doyle Loft
• Email Us info@doylesails.com
• Call 800 94 DOYLE