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You are here: Skip Navigation LinksHome > About the PSSA > Racing > PY handicaps

Portsmouth Yardstick Numbers
(Updated May 11)

The PY numbers used for PSSA races are as follows:

PY Class Inboard/Outboard Propellor
1150 Seal Sinbad Outboard
1140 Seal 22 Outboard
1095 Seal 28 Inboard Fixed 2 blade
1080 Seal 850 Inboard Fixed 2 blade
1063 Parker 21 Outboard
1030 Parker 235 Outboard
976 SuperSeal 26,
Parker27, 275, 285
Inboard folding
950 Parker 31 Inboard folding
940 Parker 325, 335 Inboard folding

Allowance for different engine/propeller configurations:

From To
OB IBF IB2 IB3
Outboard engine OB 0 +10 +20 +40
Inboard engine with folding propeller IBF -10 0 +10 +30
Inboard engine with fixed 2-blade propeller IB2 -20 -10 0 +20
Inboard engine with fixed 3-blade propeller IB3 -40 -30 -20 0

The following adjustments are applied to boats not conforming to the standard specifications:
  1. A boat with no spinnaker, cruising chute or gennaker +40
  2. A boat with cruising chute or gennaker but no spinnaker +20
  3. Allowance for using a keel fixed by design +10