DH Rating Certificate

Certificate required as per
Racing Rule of Sailing 78.

Owner


*

Certificate No. 37606 Issued on 13-04-2025
Class DEHLER OPTIMA 101 Not valid after 31-12-2025
Sail No. DEN 513 Club Middelfart Sejlklub
Boat Name THUNDERBOLT Class Status DH standard skrog
Builder Dehler Yacht Year Built 1988

Ratings Updated 26-04-2025
GPH 604,4 TCC 1,105
TACIL 759,8 TACIM 597,4 TACIH 528,0
TAUDL 990,0 TAUDM 745,2 TAUDH 639,0

Calculation
Stability SV 54,78 dp * Wmin *
Hull L 9,20 B 2,79 G 4,39 BogG 0,215
Sails SSA 28,32 FA1 22,45 SAS 82,42 SAA 0,00

Rig/sail measurement
E 4,10 P 12,30 HB 0,15 MGU 1,36 MGM 2,45
J 3,60 FSP 0,05 Tmax 11,29 LP 3,83 JHW 1,98
ISP 12,21 SPL 3,60 SL 11,50 SF 7,00 SMG 9,00
TPS 0,00 SLU 0,00 SLE 0,00 SFA 0,00 SMGA 0,00
MF Nej RF Nej Propel Fri foldepropel med 2-3 blade (2)

Hull measurement
LOA 10,11 OF 0,91 OA 0,00 STF 1,19 AF 0,16
Bmax 3,41 SBmax 5,65 UDFSB 0,31 UDFBB 0,31 UDHBmax 0,00 UDHmax 0,00
Gmax 6,27 SGmax 5,80 FBSB 0,94 FBBB 0,94
D 4,65 K 1,80 KC 1,33 KF Normal Skrogmatr. GRP
WBF * WBL * WBT * WBV * SSC * SST *

Remarks

First Measurement

Measurer Steen Madsen Date 10-04-2025

Certificate authorized by Danish Sailing Association.
This Certificate can be checked against the official website of Danish Sailing Association:
https://websejler.dk/da/certifikat/37606

Ownership can be verified by the owner


Danish Sailing Association
Idraettens Hus – DK 2605 Broendby – Phone +45 8820 7010
www.websejler.dk | websejler@sejlsport.dk