Datasheet (PDF)

[UD]

Hydraulic below-deck furling system

The Reckmann UD is a below deck mounted hydraulic furling gear. Like all Reckmann hydraulic furlers, the UD has an emergency manual drive to be operated safely on deck level with a standard winch handle.
The UD unit is is available with different means of attachment. We offer the following (partially mandatory) features: 

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[Features]

Emergency Manual Backup

Emergency Manual Backup

The unique manual drive ensures the greatest possible level of security. By simply inserting a standard winch handle, the electric drive will disconnect and switch to manual operation. Due to this special gear mechanism that prevents sail forces from transferring to the winch handle, the reefing system can be safely and easily operated, even when in manual mode.

Halyard Swivel FS

Halyard Swivel FS

The Reckmann high-performance halyard swivels turn with extremely low amounts of friction, thereby guaranteeing a secure operation without twisting the halyard. The compact design and size graduation ensure a low weight aloft.

Further details

Tack Slider

Tack Slider

The tack slider or floating tack swivel allows the sail luff to be tensioned independently of the stay. This is a necessary addition, specifically with sails that have a halyard lock.

Carbon Foils

Carbon Foils

Our carbon profiles offer high resistance and low weight at the same time. A weight reduction of 50-60 % in comparison with conventional aluminium profiles means that there is a significant improvement in performance.


[Facts]

To install on deck

<p class="text-center">To install on deck</p>
#Grafik 2   To install on Deck
    UD-2SC UD-2SCRT UD-3SC UD-3SCRT UD-4SC UD-4SCRT UD-5SC UD-5SCRT UD-5.5SCRT UD-6.5SCRT
A [mm] 160 280 220 382 250 463 340 606 710 952
B [mm] 150 150 196 196 242 242 310 310 316 428
C [mm] 174 174 252 252 338 338 420 420 396 568
i [mm] - 80 - 80 - 80 - 80 80 80
stroke stay length adjustment [mm] 60 80 60 100 80 150 120 200 250 400
weight [kg] 12,5 15,7 27 30,7 53 60,8 110 121 145 312
volume flow [l/min] 10 10 17 17 30 30 40 40 40 65
Pulling force rt-Adjuster [t] - 7,6@350bar - 12t@250bar - 23t@350bar - 45t@350bar 48,5t@350bar 63,5t@350bar
max. stay load [t] 9 9 13,5 13,5 21 21 39 39 50 73
max. tack load [t] 1,5 1,5 2,5 2,5 3,5 3,5 5 5 6 8
max. rod size [-] -40 -40 -60 -60 -91 -91 -170 -170 -220 -320
max. diameter wire [mm] 12 12 16 16 22 22 32 32 - -
max. headstay length [m] 23 23 36 36 42 42 50 50 58 70
matching aluminium foils [-] R20, R30 R20, R30 R40, R5 R40, R5 R5, R6 R5, R6 R6, R7 R6, R7 R7, R8 -
matching carbon foils [-] S2, S2.5 S2, S2.5 S3, S4, S4.5 S3, S4, S4.5 S5, S5.5 S5, S5.5 S6, S6.5, S7 S6, S6.5, S7 S7, S7.5, S8 S8.5, S9

To install on the chain plate

<p class="text-center">To install on the chain plate </p>
    UD-2C UD-3C UD-4CRT UD-6.5CRT
A [mm] 205 247 645 1080
B [mm] 125 147 172 372
C [mm] 205 250 280 465
i [mm] - - - -
stroke stay length adjustment [mm] 60 60 150 300
weight [kg] 10 17,5 47 225
volume flow [l/min] 10 17 30 65
Pulling force rt-Adjuster [t] - - 23t@350bar 63,5t@350bar
max. stay load [t] 9 13,5 21 73
max. tack load [t] 1,5 2,5 3,5 8
max. rod size [-] -40 -60 -91 -320
max. diameter wire [mm] 12 16 22 -
max. headstay length [m] 23 36 42 70
matching aluminium foils [-] R20, R30 R40, R5 R5, R6 -
matching carbon foils [-] S2, S2.5 S3, S4, S4.5 S5, S5.5 S8.5, S9

To install on the chain plate, with cover flange

<p class="text-center">To install on the chain plate, with cover flange</p>
    UD-2CDF UD-3CDF
A [mm] 200 220
B [mm] 125 147
C [mm] 205 250
i [mm] - -
stroke stay length adjustment [mm] 60 80
weight [kg] 132 24
volume flow [l/min] 10 17
Pulling force rt-Adjuster [t] - -
max. stay load [t] 9 13,5
max. tack load [t] 1,5 2,5
max. rod size [-] -40 -60
max. diameter wire [mm] 12 16
max. headstay length [m] 23 36
matching aluminium foils [-] R20, R30 R40, R5
matching carbon foils [-] S2, S2.5 S3, S4, S4.5

[Furling Sections]

Aluminium profiles

  Nut G O A B
    [mm] [mm] [mm] [mm]
R10 double 6,4 2,3 31,4 24,1
R20 double 6,4 2,3 35,8 28,8
R30 double 7,5 3 45,5 36,1
R40 double 7,5 3 49,1 38,7
R50 double 8 3,5 54 42
R5 double 7,5 3,5 60 47
R6 double 7,5 3,5 72 60
R7 double 7,5 3,3 85 72
R8 single 8 3,2 107 93
Aluminium profiles

Carbon profiles

  G O A B
  [mm] [mm] [mm] [mm]
S2 7,2 2,8 38,5 29
S2.5 7,2 2,8 41,3 32,2
S3 7,2 2,8 49 38,5
S4 7,2 2,8 55,4 44,4
S4.5 7,2 2,8 60 50,8
S5 7,2 2,8 67,1 56,6
S5.5 7,2 2,8 72,8 62,7
S6 7,2 2,8 82 71,5
S6.5 7,2 2,8 86,9 76,2
S7 large 10 3,8 97,3 81,3
S7 small 7,2 2,8 91,3 81,3
S7.5 10 3,8 107,25 90,2
S8 10 3,8 112 97,3
S8.5 10 3,8 122 107,5
S9 13,02 5,01 148,2 132
S9.5 13,02 5,01 170,6 154
Carbon profiles

[Downloads]

UD Flyer

Download: UD_Flyer_EN.pdf

Dimension Sheet

Download: Massblatt-UD-xCDF-EN.pdf

[Related Products]

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