brand logo Block - Double Plain - Barton - 1221

Sailboat/yacht block for smaller lines of minimal size and weight

Block - Double Plain - Barton - 1221
Type of bearing BallPlain
Sheave diameter 1.18 in / 30 mm1.38 in / 35 mm1.77 in / 45 mm2.13 in / 54 mm2.28 in / 58 mm2.48 in / 63 mm2.76 in / 70 mm
Rope/line diameter 8 mm10 mm12 mm14 mm
Primary method of attachment Fixed, Shackle strap - BecketFixed, Shackle wire - Becket
Relative size Size 1Size 2Size 3Size 4Size 5Size 6Size 7

Features

  • Rugged construction
  • High quality injection moulded side plates
  • Load carrying components made of high grade stainless steel
  • Side plates through-bolted and riveted
  • Plain nylon bearing; high load; low friction

Description

Low friction sheave material runs on a large diameter bearing, delivering free running under the highest loads

Lead block application is on small cruisers

Product Detail

item
Item type Block
identity
Primary identity code for a product or service 1221
Product brand Barton
marketing
Relative size Size 1
material
Primary material simple composition Composite
Primary material composition Composite
Secondary material simple composition Stainless/SS
Secondary material composition SAE/AISI 316 EN 1.4401 A4 stainless
Sheave material composition Acetal resin
Bearing composition Brass
measurement
Overall length 3.58 in
91 mm
Width of sheave or pulley 0.433 in
11 mm
Rope/line diameter 8 mm
Sheave diameter 1.18 in
30 mm
Nett weight 0.082 kg
0.181 lb
mechanical
Average breaking force 686 daN
700 kg
1543 lb
Maximum safe working force 343 daN
350 kg
772 lb
construction
Rope type Polyester
Sheave count Double
Type of bearing Plain
arrangement
Primary method of attachment Fixed
Shackle strap
Secondary method of attachment Becket
applicable vessel
Types of use Sheet main dinghy/dinghies
Sheet jib dinghy/dinghies
Sheet spin/asym sportboats
Sheet spin/asym dinghy/dinghies
Out/downhaul sportboats
Out/downhaul dinghy/dinghies
Sheet jib yacht
Sheet genoa yacht
Sheet spin/asym yacht race
Sheet spin/asym yacht
Out/downhaul yacht race
Uphaul yacht race
Out/downhaul yacht
Uphaul yacht
Leads
Type of boat Dinghies cruising
Dayboats cruising
Dinghies/Sportsboats racing
Cruiser small
Cruiser medium
Cruiser large
appearance
Primary colour name Charcoal
Primary colour Grey
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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