Block - Sheet Single Ball - Allen - Dynamic - A2160

Mainsheet and spinnaker block that is very light

Block - Sheet Single Ball - Allen - Dynamic - A2160
Sheave count SingleTriple
Sheave diameter 0.787 in / 20 mm1.18 in / 30 mm1.57 in / 40 mm2.36 in / 60 mm
Rope/line diameter 2.5-6 mm5-14 mm6-10 mm6-14 mm
Primary method of attachment Fixed, Eye strap - Becket - Cam cleatFixed, Eye strap, Bolted assemblyFixed, Eye wire - Becket - Cam cleatInline 2-position or 90 deg to sheave, Shackle wire reversed removable - Ratchet clutchInline 2-position or 90 deg to sheave, Shackle wire reversed removable - Ratchet clutch - Cam cleatSwivel, Shackle wire

Features

  • Metal replacement composite construction
  • Switchable on/off mechanism
  • Fine ratchet increments to allow precise tension control
  • Pro-Lock swivel head
  • Allen head shackle offers easy spring mounting and added security
  • Converts to port or starboard cheek block

Description

Fully composite sheave offers strength and durability without compromise of weight

Not limited by conventional machining angles the sheave is engineered to maximise grip when the ratchet is on, yet allow less grip when the load is reduced

Product Detail

item
Item type Block
Item type variant Sheet
identity
Primary identity code for a product or service A2160
Product brand Allen
Product model Dynamic
marketing
Manufacturer basic model code 2160
material
Primary material simple composition Composite
Primary material composition Nylon-fibreglass
Secondary material simple composition Stainless/SS
Secondary material composition SAE/AISI 316 EN 1.4401 A4 stainless
Sheave material composition Acetal resin
Bearing composition SAE/AISI 316 EN 1.4401 A4 stainless
measurement
Overall length 4.61 in
117 mm
Width of sheave or pulley 0.669 in
17 mm
Rope/line diameter 6 to 14 mm
Sheave diameter 2.36 in
60 mm
Nett weight 0.11 kg
0.243 lb
mechanical
Maximum safe rolling force 235 daN
240 kg
529 lb
Average breaking force 785 daN
800 kg
1763 lb
Maximum safe working force 392 daN
400 kg
882 lb
construction
Rope type Polyester
Sheave count Single
Type of bearing Ball
arrangement
Primary method of attachment Inline 2-position or 90 deg to sheave
Shackle wire reversed removable
Line control method Ratchet clutch
applicable vessel
Types of use Sheet main sportboats
Sheet main dinghy/dinghies
Sheet spin/asym sportboats
Sheet spin/asym dinghy/dinghies
Type of boat Dayboats cruising
Dinghies/Sportsboats racing
Cruiser small
Cruiser medium
Cruiser large
appearance
Primary colour name Charcoal
Primary colour Grey
Product
Code for alternate product HA2160
translation
Item class in Danish Yacht blok
Item class in Dutch Yacht blok
Item class in French Voilier poulie
Item class in German Yacht-Block
Item class in Italian Yacht di blocco
Item class in Norwegian Yacht blokk
Item class in Portuguese bloco Yacht
Item class in Spanish Yacht bloque
Item class in Turkish Yat blok
Item class in Swedish Baten blocket

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