The boom vang is one of the most important controls for mailsail shape. Boom vangs control Mainsail twist, leech tension and mast tension.. We at Mauri Pro Sailing carry an assortment of Block
& Tackle from the top names in blocks such as Antal, Garhauer, Harken,
Lewmar and Ronstan. Various sizes are available for the loads of boats
size. Technical assistance is available to assist you in setting
up the proper block & tackle system for your boat.
Boom Vangs vary by boat and by personal preference. However, they typically use a combination of fiddle blocks to create at least a 4:1 purchase. Boom vang systems can also be constructed using a cascade of single blocks or a combination of fiddle and single blocks.
About Antal Composite Fiber Fiddle Blocks
The whole "composite fibre" range of Antal Blocks use sheaves on composite fibre bearings and double self-captive Delrin ball thrust bearings. The sheaves are easy to dismantle for cleaning and need no lubrication.
About Garhauer Block and Tackle Boom Vangs
Garhauer blocks and tackle sets come with both of the blocks and a cleat to create a full boom vang system in one product. Simply select the purchase that you need and the working load based on your boat size. Some of the Garhauer boom vangs include the line. Check the product description to confirm whether a line needs to be purchased separately or not.
The Garhauer blocks used in these boom vanags are stainless steel blocks, designed for the true off shore sailor looking for the ultimate in rugged dependability, these blocks are constructed of polished stainless steel cheeks and load straps making them an excellent choice for installation at the masthead or other hard to service areas. These blocks improve the appearance of any boat. ll blocks, as every Garhauer part, come with Garhauer's 10 year unconditional guarantee.
About Using Harken Fiddle Blocks for Boom Vangs
Micro V-jam Fiddle Blocks
are compact and lightweight. They are commonly used on boom vang systems for small double handed dinghies such as the FJ.
Harken 40 mm Carbo Fiddle
line features high-load ball bearings with fitted races for low-friction operation. The
Harken 40 mm Carbo Fiddle
is an excellent choice for 3:1 and 4:1 tackles on dinghy vangs and mainsheets, as well as for controls such as cunninghams and internal boom outhauls on larger boats.
Harken 57 mm Carbo Fiddle
line features the Cam-Lock locking system. The patented switch allows the jaw to lock at 90-degree interavls, or to swivel freely. The Harken Carbo Fiddle line features high-load ball bearings with fitted races for low-friction operation.
Harken 75 mm Carbo Fiddle
line features high-load ball bearings with fitted races for low-friction operation.
About Using Lewmar Fiddle Blocks for Boom Vangs
Lewmar Fiddle blocks are used in purchase systems to allow the trimmer to sheet in higher loads with ease. The Fiddle Blocks can be attatched onto the boom giving you a powerful purchase on your main block and tackle.
The HTX Lewmar Block range is the result of years of design and manufacturing experience, combined with collaboration with boat builders, designers, and sailors. Drawing upon the design of the racing range of sailboat blocks, the HTX blocks are constructed from a minimal number of alloy parts, providing enhanced reliability.
Lewmar Mid Range Fiddle Blocks are used in purchase systems to allow the trimmer to sheet in higher loads with ease. The Fiddle Blocks can be attatched onto the boom giving you a powerful purchase on your Boom Vang.
Racing Blocks from Lewmar are designed to achieve the best strength-toweight ratio within legal race limits. These sailboat blocks feature alloy cheeks and composite sheaves which run on dual Delrin ball races. They range in size from 60 mm to 80 mm.
About Ronstan Boom Vang Blocks
Ronstan Series All purpose (AP) fiddle blocks
are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.These fiddle blocks are ideal for fine tune mainsheet tackles, cunninghams, boom vangs, backstays and other control line purchase systems.
Mauri Pro Sailing
are fully committed to be your
Boom Vangs and Block Tackle
specialist not only providing the sailing community with a comprehensive and easy to use web site but with all the appropriate technical information that you might need to select your sailboat hardware and equipment. If you need any assistance selecting the appropriate Boom Vang for your boat please
. Our crew is ready to help!