Balance A-Class

Ingenia Tecnología S.L.
Polígono Frutas El Dulze
Ctra. San Cayetano s/n
30730 El Mirador (Murcia)
Spain

Design: Balance A-Class

Designed by Alfonso Avilés
Drafted by Humberto Martínez
Company Balance Arquitectura Naval
Date Feb 2008

Specified Conditions

Environment

Water Temp

19.0 C

Water Type

Salt

Specific Gravity

1.025

References and Conditions

Aft Perp.	On Waterline	Fwd Perp.	On Waterline	Baseline	At Hull Bottom
Waterline	Specified at 150 Kg	Trim Mode	Free to Trim	Stations	75 / 25

Imported Elements

Operational Set	Default
Hull Sets	Estribor, Babor, EstructuraPopa, EstructuraProa

All positions measured: logitudinally from Fwd Perp positive aft, vertically from Baseline positive up, transversally from Centreline positive to portboard

Main Dimensions

Loa 5.484 m
Bmax 2.292 m
Dmax 1.317 m
Dh 0.556 m
Vh 1.088 m³
Sh 13.658 m²

Hull Upright DWL Trim

Dimensions

Lwl	4.786 m	V	0.146 m³
Bwl	2.279 m	W	150 Kg
Th	0.127 m	Wh	150 Kg
T	0.889 m	Wl	0 Kg
Ax	0.050 m²	Wmi	2.143 Kg
Aw	2.091 m²	Sw	4.239 m²

Coefficients & Ratios

Cp (Prismatic)	0.618
Cb (Block)	0.106
Cm (Midships)	0.171
Cw (Waterline)	0.192
DL (Displacement/Length)	133
LD (Length/Displacement)	9.08
BT (Beam/Draft)	17.93
LB (Length/Beam)	2.10

Centres & Moments

LCB	2.502 m (2.28 %)	TCB	0.0050 m	VCB	0.080 m
LCG	2.550 m (3.27 %)	TCG	0.0050 m	VCG	0.280 m
LCF	2.485 m (1.93 %)	TCF	0.0050 m
CLPx	2.825 m (9.02 %)			CLPz	0.042 m
IL	3.097 m⁴	IT	2.123 m⁴
BML	21.156 m	BMT	14.507 m
GML	20.956 m	GMT	14.307 m	MTC	6.569 Kg.m

Hull-only DWL Hydrostatics

Name	Tc (m)	W (Kg)	Lwl (m)	Bwl (m)	Cp	Cb	Cm	Cw	LCB (m)	VCB (m)	LCF (m)	TCF (m)	CLP (m)	IT (m⁴)	IL (m⁴)	Aw (m²)	Sw (m²)
Hull Set Estribor	0.127	73	4.786	0.267	0.60	0.44	0.73	0.82	2.467	0.084	2.486	-1.000	2.414	0.0050	1.547	1.046	1.424
Hull Set Babor	0.127	73	4.786	0.267	0.60	0.44	0.73	0.82	2.467	0.084	2.485	1.010	2.411	0.0050	1.549	1.046	1.424
Full	0.127	150	4.786	2.279	0.62	0.11	0.17	0.19	2.502	0.080	2.485	0.0050	2.825	2.123	3.097	2.091	4.239

Area moments IT and IL taken from their TCF and LCF

Hydrostatics

T (m) W (Kg) Lwl (m) Bwl (m) Cp Cb Cm Cw LCB (m) VCB (m) LCF (m) CLP (m) BMT (m) BML (m) Aw (m²) Sw (m²)
0.874 120 4.506 2.273 0.62 0.10 0.16 0.19 2.367 0.070 2.337 2.728 16.530 21.254 1.903 3.882
0.877 126 4.569 2.274 0.62 0.10 0.17 0.19 2.397 0.072 2.369 2.750 16.057 21.247 1.944 3.958
0.880 132 4.630 2.275 0.62 0.10 0.17 0.19 2.426 0.074 2.401 2.771 15.608 21.217 1.984 4.033
0.883 139 4.689 2.277 0.62 0.10 0.17 0.19 2.454 0.076 2.432 2.791 15.180 21.198 2.024 4.109
0.886 145 4.746 2.278 0.62 0.11 0.17 0.19 2.483 0.078 2.464 2.811 14.780 21.196 2.064 4.185
0.889 150 4.786 2.279 0.62 0.11 0.17 0.19 2.502 0.080 2.485 2.825 14.507 21.156 2.091 4.239
0.890 152 4.804 2.279 0.62 0.11 0.17 0.19 2.511 0.080 2.496 2.831 14.393 21.151 2.103 4.263
0.893 159 4.862 2.280 0.62 0.11 0.17 0.19 2.539 0.082 2.526 2.851 14.026 21.123 2.142 4.341
0.896 166 4.919 2.282 0.62 0.11 0.17 0.19 2.567 0.085 2.559 2.872 13.682 21.091 2.181 4.418
0.899 173 4.975 2.283 0.62 0.11 0.18 0.20 2.595 0.087 2.591 2.893 13.349 21.087 2.220 4.497
0.902 180 5.031 2.284 0.61 0.11 0.18 0.20 2.624 0.089 2.622 2.913 13.027 21.056 2.256 4.574

Loadcase

Name Material Weight CGx CGy CGz
Autocomputed 150 Kg 2.550 m 0.0050 m 0.280 m
Total 150 Kg 2.550 m 0.0050 m 0.280 m

Stability & Seaworthiness

Cross Curves Stability

W (Kg)	KN 10° (m)	KN 20° (m)	KN 30° (m)	KN 40° (m)	KN 50° (m)	KN 60° (m)	KN 70° (m)
126	1.012	1.003	0.958	0.883	0.784	0.666	0.534
132	1.012	1.004	0.959	0.884	0.785	0.667	0.536
139	1.013	1.004	0.960	0.885	0.787	0.668	0.538
145	1.013	1.005	0.961	0.886	0.788	0.670	0.539
152	1.014	1.005	0.961	0.887	0.789	0.671	0.541
159	1.014	1.006	0.962	0.888	0.790	0.673	0.543
166	1.015	1.006	0.963	0.889	0.792	0.674	0.544
173	1.015	1.007	0.964	0.890	0.793	0.676	0.546
180	1.016	1.007	0.965	0.891	0.794	0.677	0.547

Static Transversal Stability

Heel (deg)	Trim (deg)	GZ (m)	W (Kg)	Lwl (m)	Bwl (m)	T (m)	Cp	Cb	Cm	Cw	LCB (m)	VCB (m)	Aw (m²)	Sw (m²)
0.0	-0.16	-0.0050	150	4.794	2.279	0.892	0.60	0.10	0.17	0.19	2.549	0.078	2.105	3.745
2.0	-0.16	0.484	150	5.263	2.274	0.925	0.56	0.14	0.24	0.17	2.555	0.073	2.013	3.664
4.0	-0.12	0.868	150	5.412	2.244	0.948	0.59	0.30	0.50	0.14	2.551	0.061	1.679	3.360
6.0	-0.12	0.969	150	5.423	0.285	0.954	0.64	-3.71	-5.81	0.85	2.552	0.056	1.307	2.961
8.0	-0.12	0.963	150	5.424	0.285	0.953	0.64	-0.98	-1.54	0.85	2.550	0.057	1.308	2.911
10.0	-0.12	0.955	150	5.425	0.286	0.951	0.64	-0.57	-0.88	0.85	2.548	0.057	1.311	2.863
12.0	-0.12	0.947	150	5.425	0.287	0.948	0.64	-0.40	-0.62	0.85	2.547	0.057	1.315	2.819
15.0	-0.12	0.931	150	5.426	0.289	0.940	0.64	-0.27	-0.43	0.84	2.546	0.058	1.323	2.758
17.0	-0.12	0.920	150	5.426	0.291	0.934	0.64	-0.23	-0.35	0.84	2.546	0.058	1.330	2.727
20.0	-0.14	0.900	150	5.425	0.295	0.922	0.64	-0.18	-0.28	0.84	2.551	0.059	1.342	2.678
25.0	-0.12	0.861	150	5.428	0.301	0.896	0.64	-0.13	-0.21	0.83	2.547	0.060	1.366	2.628
30.0	-0.12	0.813	150	5.428	0.309	0.864	0.64	-0.10	-0.16	0.83	2.550	0.061	1.395	2.633
35.0	-0.12	0.759	150	5.428	0.318	0.824	0.64	-0.09	-0.13	0.83	2.554	0.063	1.432	2.638
40.0	-0.09	0.700	150	5.431	0.331	0.778	0.65	-0.07	-0.11	0.82	2.547	0.065	1.477	2.648
45.0	-0.09	0.636	150	5.430	0.345	0.726	0.65	-0.06	-0.09	0.82	2.553	0.067	1.530	2.660
50.0	-0.05	0.568	150	5.432	0.362	0.667	0.65	-0.05	-0.08	0.81	2.548	0.069	1.596	2.680
55.0	-0.02	0.497	150	5.434	0.382	0.603	0.65	-0.05	-0.07	0.81	2.545	0.072	1.674	2.705
60.0	0.00	0.424	150	5.432	0.404	0.534	0.66	-0.04	-0.06	0.80	2.550	0.074	1.764	2.738
65.0	0.04	0.349	150	5.432	0.431	0.460	0.66	-0.04	-0.06	0.80	2.549	0.077	1.871	2.782
70.0	0.07	0.274	150	5.423	0.460	0.381	0.66	-0.03	-0.05	0.80	2.550	0.080	1.984	2.827
75.0	0.12	0.200	150	5.411	0.489	0.298	0.66	-0.03	-0.05	0.79	2.545	0.084	2.104	2.876
80.0	0.16	0.127	150	5.389	0.511	0.212	0.65	-0.03	-0.04	0.79	2.545	0.087	2.177	2.879
85.0	0.16	0.055	150	5.353	0.516	0.124	0.65	-0.03	-0.04	0.80	2.555	0.089	2.209	2.829
90.0	0.16	-0.016	150	5.324	0.513	0.097	0.64	-0.03	-0.04	0.81	2.555	0.090	2.219	2.681
100.0	0.12	-0.159	150	5.279	0.497	0.099	0.61	-0.03	-0.05	0.83	2.557	0.089	2.174	2.568
110.0	0.07	-0.305	150	5.303	0.470	0.122	0.56	-0.03	-0.06	0.84	2.549	0.084	2.081	2.558
120.0	-0.02	-0.448	150	5.358	0.471	0.143	0.49	-0.04	-0.08	0.77	2.548	0.079	1.950	2.537
130.0	-0.12	-0.582	150	5.375	0.471	0.158	0.42	-0.04	-0.10	0.72	2.554	0.075	1.818	2.498
140.0	-0.18	-0.704	150	5.383	0.490	0.167	0.37	-0.05	-0.14	0.65	2.549	0.073	1.709	2.476
150.0	-0.19	-0.808	150	5.386	0.551	0.169	0.32	-0.06	-0.19	0.54	2.547	0.071	1.602	2.467
155.0	-0.19	-0.851	150	5.388	0.611	0.168	0.29	-0.07	-0.22	0.47	2.547	0.070	1.555	2.474
160.0	-0.19	-0.888	150	5.388	0.709	0.165	0.26	-0.07	-0.28	0.40	2.550	0.070	1.520	2.490
165.0	-0.18	-0.917	150	5.387	0.873	0.162	0.22	-0.09	-0.39	0.32	2.549	0.070	1.506	2.518
170.0	-0.16	-0.932	150	5.385	1.214	0.160	0.18	-0.12	-0.66	0.23	2.552	0.070	1.527	2.576
175.0	-0.09	-0.901	150	5.383	2.053	0.164	0.11	-0.49	-4.43	0.15	2.551	0.071	1.636	2.735
177.0	-0.14	-0.740	150	5.370	2.234	0.160	0.09	0.40	4.48	0.19	2.549	0.078	2.235	3.360
180.0	-0.26	0.0040	150	5.280	2.245	0.124	0.08	0.14	1.69	0.23	2.541	0.091	2.766	3.795

Static Longitudinal Stability

Trim (deg)	Heel (deg)	GZ (m)	W (Kg)	Lwl (m)	Bwl (m)	T (m)	TCB (m)	Aw (m²)	Sw (m²)
0.0	0.00	0.059	150	4.806	2.279	0.889	0.0050	2.101	2.197
2.0	0.00	0.739	150	4.447	2.279	0.845	0.0050	1.901	1.992
4.0	0.00	1.189	150	3.829	2.276	0.785	0.0050	1.610	1.720
6.0	0.00	1.461	150	3.302	2.276	0.716	0.0050	1.359	1.497
8.0	0.00	1.627	150	2.896	2.274	0.639	0.0050	1.158	1.341
10.0	0.00	1.729	150	2.540	2.271	0.557	0.0050	1.001	1.239
12.0	0.00	1.791	150	2.198	2.269	0.472	0.0050	0.874	1.171
15.0	0.00	1.839	150	1.800	2.266	0.418	0.0050	0.721	1.107
17.0	0.00	1.852	150	1.604	2.266	0.464	0.0050	0.649	1.079
20.0	0.00	1.853	150	1.383	2.263	0.531	0.0050	0.562	1.048
25.0	0.00	1.817	150	1.127	2.262	0.639	0.0050	0.456	1.017
30.0	0.00	1.750	150	0.949	2.258	0.741	0.0050	0.386	1.004
35.0	0.00	1.664	150	0.825	2.258	0.837	0.0050	0.332	0.996
40.0	0.00	1.561	150	0.735	2.258	0.926	0.0050	0.294	0.991
45.0	0.00	1.444	150	0.667	2.257	1.007	0.0050	0.264	0.987
50.0	0.00	1.315	150	0.614	2.256	1.080	0.0050	0.235	0.984
55.0	0.00	1.176	150	0.578	2.249	1.145	0.0050	0.212	0.983
60.0	0.00	1.026	150	0.542	2.243	1.202	0.0050	0.204	0.981
65.0	0.00	0.869	150	0.517	2.241	1.248	0.0050	0.192	0.980
70.0	0.00	0.704	150	0.498	2.241	1.285	0.0050	0.160	0.979
75.0	0.00	0.534	150	0.483	2.237	1.313	0.0050	0.119	0.979
80.0	0.00	0.360	150	0.473	2.226	1.330	0.0050	0.114	0.978
85.0	0.00	0.183	150	0.467	2.198	1.338	0.0050	0.104	0.978
90.0	0.00	0.0050	150	0.468	2.217	1.327	0.0050	0.109	0.978
100.0	0.00	-0.351	150	0.470	2.254	1.306	0.0050	0.117	0.977
110.0	0.00	-0.696	150	0.491	2.254	1.238	0.0050	0.165	0.978
120.0	0.00	-1.019	150	0.530	2.251	1.134	0.0050	0.200	0.979
130.0	0.00	-1.309	150	0.595	2.250	1.009	0.0050	0.235	0.982
140.0	0.00	-1.556	150	0.703	2.249	0.867	0.0050	0.288	0.986
150.0	0.00	-1.748	150	0.890	2.250	0.705	0.0050	0.372	0.997
155.0	0.00	-1.818	150	1.041	2.248	0.615	0.0050	0.440	1.008
160.0	0.00	-1.862	150	1.262	2.246	0.524	0.0050	0.534	1.025
165.0	0.00	-1.868	150	1.606	2.243	0.426	0.0050	0.690	1.056
170.0	0.00	-1.791	150	2.216	2.239	0.325	0.0050	0.956	1.143
175.0	0.00	-1.395	150	3.189	2.241	0.200	0.0050	1.555	2.248
177.0	0.00	-1.130	150	3.711	2.243	0.155	0.0050	1.816	2.747
180.0	0.00	-0.152	150	5.271	2.245	0.126	0.0050	2.703	3.984

Appendages

Name Span Area (Lat.Plane) Area (Total) Volume (Full) Root Chord Tip Chord Avg Thickness Sweep Angle Canting Angle CPx CPz
Orza Estribor 1.294 m 0.196 m² 0.541 m² 0.0020 m³ 0.158 m 0.057 m 0.013 m 6.5 deg 5.0 deg 3.375 m -0.097 m
Orza Babor 1.294 m 0.192 m² 0.491 m² 0.0020 m³ 0.158 m 0.113 m 0.013 m 4.6 deg -5.0 deg 3.375 m -0.101 m
Timon Babor 0.787 m 0.080 m² 0.171 m² 0.0010 m³ 0.122 m 0.029 m 0.0080 m 9.5 deg -5.0 deg 5.166 m 0.068 m
Timon Estribor 0.787 m 0.080 m² 0.189 m² 0.0010 m³ 0.122 m 0.026 m 0.0080 m 9.4 deg 5.0 deg 5.166 m 0.067 m

Designed by	Alfonso Avilés
Drafted by	Humberto Martínez
Company	Balance Arquitectura Naval
Date	Feb 2008

Loa	5.484 m
Bmax	2.292 m
Dmax	1.317 m
Dh	0.556 m
Vh	1.088 m³
Sh	13.658 m²

Name	Material	Weight	CGx	CGy	CGz
Autocomputed		150 Kg	2.550 m	0.0050 m	0.280 m
Total		150 Kg	2.550 m	0.0050 m	0.280 m

Name	Span	Area (Lat.Plane)	Area (Total)	Volume (Full)	Root Chord	Tip Chord	Avg Thickness	Sweep Angle	Canting Angle	CPx	CPz
Orza Estribor	1.294 m	0.196 m²	0.541 m²	0.0020 m³	0.158 m	0.057 m	0.013 m	6.5 deg	5.0 deg	3.375 m	-0.097 m
Orza Babor	1.294 m	0.192 m²	0.491 m²	0.0020 m³	0.158 m	0.113 m	0.013 m	4.6 deg	-5.0 deg	3.375 m	-0.101 m
Timon Babor	0.787 m	0.080 m²	0.171 m²	0.0010 m³	0.122 m	0.029 m	0.0080 m	9.5 deg	-5.0 deg	5.166 m	0.068 m
Timon Estribor	0.787 m	0.080 m²	0.189 m²	0.0010 m³	0.122 m	0.026 m	0.0080 m	9.4 deg	5.0 deg	5.166 m	0.067 m