Block - Sheet Triple Ball - Allen - Dynamic - A2037


Multi-use deck block in nylon; modern design, strong, light and effective

Block - Sheet Triple Ball - Allen - Dynamic - A2037
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

  • Eye strap is cold forged; rope-friendly; greater articulation
  • Stainless cheeks, ball bearings and sheave axle
  • Optimised rope guides
  • Large cutouts to reduce weight
  • Easy to rinse clean
  • Open axle gives strength in critical load area
  • Open axle allows rope tie

Description

The narrow side strap allows excellent articulation

Lightening holes reduce weight and allow easy access to flush the stainless steel bearing system

Large central hole enables line to be tied through for cascade of other purchase systems; this negates t

Product Detail

item
Item type Block
Item type variant Sheet
identity
Primary identity code for a product or service A2037
Product brand Allen
Product model Dynamic
marketing
Manufacturer basic model code 2037
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 3.78 in
96 mm
Width of sheave or pulley 0.394 in
10 mm
Rope/line diameter 6 to 10 mm
Sheave diameter 1.18 in
30 mm
Nett weight 0.146 kg
0.322 lb
mechanical
Maximum safe rolling force 481 daN
490 kg
1080 lb
Average breaking force 1716 daN
1750 kg
3858 lb
Maximum safe working force 858 daN
875 kg
1929 lb
construction
Rope type Polyester
Sheave count Triple
Type of bearing Ball
arrangement
Primary method of attachment Fixed
Eye strap
Secondary method of attachment Becket
Line hold method Cam cleat
applicable vessel
Types of use Sheet main sportboats
Sheet main dinghy/dinghies
Vang/kicker sportboat
Vang/kicker dinghy/dinghies
Backstay sportboats
Backstay dinghy/dinghies
Vang/kicker yacht race
Vang/kicker yacht
Cunningham
Leads
Type of boat Dinghies cruising
Dayboats cruising
Dinghies/Sportsboats racing
Multihull small
appearance
Primary colour name Charcoal
Primary colour Grey
Product
Code for alternate product HA2037
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