APPENDIX VI
DIMENSIONS OF SPARS OF REVENUE CUTTERS
The following list shows the length and thickness of mast, boom, bowsprit, gaff, topmast, and spread-yard [i.e. the yard on which the square-sail was set] as used in the Revenue Cutters of different sizes from 150 to 40 tons. The dimensions given below were those in vogue in the year 1838.
| Spar. | 150 Tons. | 130 Tons. | 100 Tons. | 90 Tons. | 80 Tons. | 70 Tons. | 60 Tons. | 50 Tons. | 40 Tons. |
| ft. ins. | ft. ins. | ft. ins. | ft. ins. | ft. ins. | ft. ins. | ft. ins. | ft. ins. | ft. ins. | |
| Mast | 75 × 20 | 72 × 18 | 68 × 17 | 65 × 16½ | 63 × 15¾ | 60 × 15 | 56 × 14 | 55 × 13½ | 50 × 12 |
| Boom | 61 × 13¼ | 59 × 13 | 54 × 12 | 51 × 11½ | 49 × 10¾ | 47 × 10½ | 45 × 10 | 43 × 8¾ | 42 × 8½ |
| Bowsprit | 55 × 16¾ | 53 × 15½ | 49 × 14 | 47 × 13¼ | 44 × 12½ | 43 × 12 | 38 × 11¼ | 37 × 10¾ | 32 × 10 |
| Gaff | 45 × 8¾ | 40 × 8½ | 38 × 7¾ | 33 × 7½ | 32 × 7¼ | 31 × 7 | 28 × 6¾ | 30 × 6½ | 26 × 6 |
| Topmast | 52 × 9¾ | 48 × 8½ | 45 × 7¾ | 42 × 7½ | 40 × 7¼ | 39 × 7 | 35 × 6¾ | 35 × 6½ | 30 × 6 |
| Spread-Yard | 58 × 9¼ | 56 × 8½ | 48 × 8¼ | 47 × 7¾ | 46 × 7½ | 44 × 7 | 42 × 6¾ | 38 × 6¼ | 32 × 6 |