Ronstan RF44140 Series 45 Core Block Stand-Up
Ronstan RF44140 Series 45 Core Block Stand-Up
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New South Wales 2000,
AU
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The Ronstan RF44140 Series 45 Core Block Stand-Up
is a true all round solution. A tuned 2-stage bearing system
provides excellent performance across the full working load range
with an integrated thrust bearing feature and the resilience to
handle high dynamic or static loads. Acetal sheave, alloy cheeks
and stainless fixings complete the durable package. For reliability
and a long service life, these blocks are the right choice for
sheets, halyards and control line applications for cruising and
racing.
Ronstan RF44140 Series 45 Core Block Stand-Up Features:
Ronstan RF44140 Series 45 Core Block Stand-Up Specifications:
Ronstan RF44140 Series 45 Core Block Stand-Up Features:
- Alloy cheek plates. Cheek design has been further styled with
flaring at the block throat and reduced gap between the cheek and
sheave, minimising rope wear.
- The Ronstan Universal Bearing incorporates our proven 2-stage
bearing system
Stage 1 Under moderate loads, Acetal ball bearings ensure minimum friction.
Stage 2 Under heavy loads, where deformation of ball bearings alone would result in increased friction, a sliding Acetal bearing on a polished stainless steel race takes over, maintaining low friction performance. - Additionally the ball bearings are configured to act as a
thrust bearing between the sheave and cheeks, preventing the sheave
from rubbing on the cheeks and causing friction when the line lead
in and out of the block isn't perfect.
- Particularly important for cheek blocks.
- Block cheeks are manufactured from the highest quality alloy
for maximum strength. Material optimisation and the cut-away design
minimises weight and allows easy fresh water rinsing of salt and
debris from the bearings.
- Central hub hole can be used as a becket take-off or tie-up
point
- Features a strong cast padeye base with a swivel head post to
allow full rotation and articulation
- Applications:
- Ideal for mainsheet, halyard and spinnaker sheet applications
on boats to 10m (33ft)
- Various control line applications on larger yachts
- Alloy sheave models are available for use with wire
- Ideal for mainsheet, halyard and spinnaker sheet applications
on boats to 10m (33ft)
Ronstan RF44140 Series 45 Core Block Stand-Up Specifications:
- Sheave diameter: 45 mm
- Max. Rope diameter: 12 mm
- M.W.L.: 700 kg
- B. L.: 1400 kg
- Weight: 151 g
- Materials:
- Sheave: U.V. stabilised Acetal
- Cheek body: Aluminium Alloy
- Ball Bearings: High compression strength carbon black
Acetal
- Shackle, head post and hub: Grade 316 stainless steel
- Sheave: U.V. stabilised Acetal
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