HomeMy WebLinkAboutExhibit 20- r�1
HamiltonJet
C.W.F. Hamilton & Co. Ltd.
P.O. Box 709, Christchurch, New Zealand
Ph: +64 3 962 0530
Fax: +64 3 348 6969
DDI: 64 3 9620526
E-Mail: wayne.robinson@hamjet.co.nz
Project: MetalCraft 87-187A e t:. D kart
40
35
30
25
0
20
a
a 15
10•
6
a
10
12
14 1S
Performance Estimate
18 20 22 24
26
Speed (knots)
28
30
32
34
36
38
=28
.24
22
20
:•18
:16
14 -
12ig
ig
10
8
6
4
2
40 42
® Hull 1 - Rtotal v Jet 1 - Thrust • Jet 2 - Thrust A Jet 3 - Thrust ® Jet 4 - Thrust
• Hull 1 - Trim
Hull Resistance
Curve Displacement LWL
Hull 1 16103 kg 11.17 m
LCG BPx
4.92 m 3.69 m
Deadrise Mid / Aft
18.00° / 18.00°
Hull resistance includes allowances for Tight air and wave resistance plus the Blount and Fox pre -
planing factor.
Jet Thrust
Curve Jet Model Engine Details Gear ratio
Jet Input
Power
Jet RPM Impeller
Jet 1 2 x HJ322 670bhp/2306rpm 1:1
Jet 2 2 x HJ322 582bhp/2200rpm 1:1
Jet 3 2 x HJ322 506bhp/2100rpm 1:1
Jet 4 2 x HJ322 437bhp12000rpm 1:1
Jet 1; Boat speed must exceed 22.5 knots if this power Is
Jet 2: Boat speed must exceed 18.5 knots if this power is
Jet 1: Boat speed must exceed 13.0 knots if this power is
Jet 1: Boat speed must exceed - knots if this power Is
2 x 650 shp
2 x 565 shp
2 x 491 shp
2 x 424 shp
input continuously (includes a 5
input continuously (Includes a 5
input continuously (includes a 5
input continuously (includes a 5
2306 T39
2200 T39
2100 T39
2000 T39
knot safety margin).
knot safety margin).
knot safety margin).
knot safety margin}.
Warning: This Is an estimate of speed only and no guarantee is expressed or implied. The hull resistance has been eslimated using
information supplied and it is the responsibility of the designer / builder to satisfy themselves as to its accuracy.
7 April 2006 MetalCraft 87-187A PP.doc
Ha ilton- Jet
C.W.F. Hamilton & Co. Ltd.
P.O. Box 709, Christchurch, New Zealand
Ph: +64 3 962 0530
Fax: +64 3 348 6969
Project: MetatCraft # 87-156 _H f /UCC /vo (,Z., fkr.r(Y0, rg
Performance Estimate
30.
28-
Y
1 24=
a 22-
-S 20-
c4 1a-
16=
114-
12
10.r.
8=
6;
4
2-
10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42
Speed (knots)
I • tiuA 1 - Rota) ♦ Jet 1 - Thrust • Jet 2- Thrust ♦ Jet 3 - Thrust $ Je14 - Thrust J
Hull Resistance
Curve Displacement LWL
HuII 1 14738 kg 11.17 m
LCG
4.92 m
BPx
3.69 m
Dea4drise Mid / Aft
18.00° / 18.00°
Hull resistance includes allowances for light air and wave resistance plus the Blount and Fox pre-
planing factor. A correction factor has been included for any change in deadrise angle.
Jet Thrust
Curve Jet Model Jet Input Engine Gear Impeller (2) Jet RPM Min. Speed(1)
• Power RPM
Jet 1 2 x HJ322 2 x 617.2 hp 2323 1.02 39 kW 2277 22 knots
Jet 2 2 x HJ322 2 x 599.5 hp 2300 1.02 39 kW 2255 21 knots
Jet 3 2 x HJ322 2 x 456.3 hp 2100 1.02 39 kW 2059
Jet 4 2 x HJ322 2 x 394.2 hp 2000 1.02 39 kW 1961
(1) Minimum boat speed for continuous operation at this power, including a 5 knot safety margin.
(2) Illustrated 39 kW impeller is non-standard and thrust curve includes 3% loss of efficiency
compared to standard 11J322 impeller.
Warning. This is an estimate otspeed only and no guarantee is expressed or implied. The hull resistance hat; bean estimated using
Intonation supplied and It the responsibility or the designer! builder to satisfy themselves as to Ks accuracy,
4 February 2005 MetalCraft 87-156 H