77 216 402 403 241 240 379 238 239 205 144 1574 639 9051 9052 5-17° 9052 *#10 (5 mm) FH fastener. **6 mm (1/4") FH fastener. ‡#10 (5 mm) RH fastener. ‡‡#8 (4 mm) RH fastener. Cam-Matic ball bearing cam cleats. Swivels freely under load. Stops on base prevent swivel from over-rotating and fouling line. Cam Bases Use cam swivel bases when leads must rotate to face the trimmer. Ball bearing swivel bases feature dual rows of Delrin® ball bearings that swivel freely even under high loads. Bases include stand-up springs and a U-Adaptor to accept a variety of appropriate blocks. The 144 is the standard configuration with a tall arm. It is ideal for mounting in the cockpit or for use on larger keelboats and small offshore boats that use 76 mm (3") plastic blocks. The low- profile 205 is used when installation is at deck level and when smaller blocks are used. The 1574 accepts Midrange blocks. The 216 features a second cleat for lines led vertically through the base of the swivel. It is frequently used to combine vang or backstay controls in the same swivel base that handles the mainsheet. The 240, 241 and 639 are simple swivel bases for main and jib sheets on very small boats or for control lines on boats of all sizes. The 402 and 403 are fitted with a double Cam-Matic cleat for use in 2-speed mainsheet systems. The 9051 and 9052 adjustable cam swivel base with 468 Micro Cam-Matic cleat provides precise cleating. The cleating angle adjusts infinitely in a 5-17 degree range up and down for optimal line lead. In the 9051 the 16 mm sheaves feature low-friction stainless steel ball bearings to handle high loads, ideal for controls where cleating angles change dra- matically. 144 includes adapter for 57 mm and 75 mm Carbo blocks. Delrin is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates. Part No. Description Height Weight Line Ø Fastener spacing Maximum working load Use with Min Max in mm oz g in mm in mm in mm lb kg 144 Swivel base/150 Cam-Matic* 5 3/4 146 13 369 1/8 3 1/2 12 3/4 19 57 mm/75 mm/2.25"/3.00"/ratchets 205 Small swivel base/150 Cam-Matic* 4 1/2 114 12 340 1/8 3 1/2 12 3/4 19 57 mm/Big Bullet/Dinghy/2.25"/small ratchets 216 Duocam swivel base/365, 471 Carbo-Cam* 5 3/4 146 16 454 3/4 19 57 mm/2.25"/3.00"/ratchets 238 150 Cam-Matic on plate/bullseye‡ 1 5/16 33 4 113 1/8 3 1/2 12 1 1/2, 1 38, 25 300 136 239 365 Carbo-Cam on plate/bullseye‡ 1 5/16 33 3 85 1/8 3 3/8 10 1 1/2, 1 38, 25 200 91 240 Bullseye swivel base/150 Cam-Matic* 2 7/16 62 7.5 213 1/8 3 1/2 12 1 1/32 26 300 136 241 Bullseye swivel base/365 Carbo-Cam* 2 7/16 62 6.5 184 1/8 3 3/8 10 1 1/32 26 150 68 379 471 Micro Carbo-Cam on plate/bullseye‡‡ 7/8 22 1.75 50 1/8 3 1/4 6 1 1/16 27 150 68 402 Small swivel base/412 Cam-Matic* 4 3/8 111 12.75 362 5/16 8 3/8 10 3/4 19 57 mm/2.25" double ratchets 403 Swivel base/412 Cam-Matic* 5 3/4 146 14 398 5/16 8 3/8 10 3/4 19 57 mm/2.25"/3.00" double ratchets 639 Bullseye swivel base/150 Cam-Matic* 1 15/16 75 9.14 259 1/8 3 1/2 12 1 1/32 26 300 136 1574 Midrange swivel base/280 Cam-Matic** 5 15/16 151 23 652 1/4 6 5/8 16 1 1/16 27 Midrange HSB538 Swivel base/471 Micro Carbo-Cam/Bullseye 1 13/16 46 3.7 105 1/8 3 1/4 6 1 1/32 26 150 68 9051 Swivel base/468 Micro Cam-Matic/16 mm sheaves 2 3/8 60 6.1 173 1/8 3 1/4 6 1 1/32 26 200 91 Swivel base/468 Micro Cam-Matic/Bullseye 2 3/8 60 5.6 160 1/8 3 1/4 6 1 1/32 26 200 91 Loosen screws to adjust 9051/9052 cam angle.
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