Tried and testedGunSails RDM extension in aluminium and carbon

Stephan Gölnitz

 · 29.05.2023

The rope runs - optimally sorted - through the rollers.
Photo: Stephan Gölnitz
The Pro XT RDM extension from GunSails is an attractive price-performance product in both versions. The solid stainless steel fitting with two smooth-running rollers adorns both the aluminium version and the elegantly shimmering carbon tube.

The clever arrangement of the rollers with the large axle, through which the rope can be threaded either from one side or the other, allows clean rope guidance for sails with three rollers. Both for the roller block as with GunSails - and for the variant rotated by 90 degrees in comparison.

The soft, smooth Dyneema rope supplied noticeably reduces friction and trimming forces, but - like all Dyneema ropes - it also tends to pinch your fingers when pulled hard. A loop and the harness hook are therefore ideal for fine trimming.

With a shortest length of just under 2.5 centimetres, the extension should fit most sails, the adjustment ring can be moved quickly and securely (open and twist slightly, then it goes from zero to 48 without stopping) and snaps into the holes automatically. The push button is quite small and tightly sprung, but sits elegantly and flush in the tube and is easy to operate.

Prices and lengths GunSails Pro XT

The solid 32 mm aluminium extension weighs 652 grams, the 48 mm carbon model 552 grams. The aluminium extension costs 85 Euro (32 cm) or 95 Euro (48 cm) . The XT RDM Carbon counterpart is available for 145 euros (32 cm) and 165 euros (48 cm).


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