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Price Book - Page 52

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ELECTRIFICATION

Page Updated: 18-Oct-21

This page is intended to provide the boat builder & electric propulsion system supplier a one-stop shop offering for marine installation & integration components. The page will evolve to contain the products and services to best help enable pragmatic battery electric vehice and hybrid ICE/EV marine application.

We can provide componentry & necessary adaptions to couple the electric vehicle systems (Battery, Inverter and Motor assembly) into a marine environment or vessel. This based from our 50 years of knowledge & knowhow with marine conversions from automotive applications.

High voltage electrical systems contain inherent risks. Application requires specialist knowledge, training and accreditation before considering interaction within these systems. We do not provide engineering recomendation or advise with respect to the suitability for high voltage electrical system application with a Marine Environment. Specialist high voltage knowledge should always be sought.

If Cooling system requirements are known we can provide an indirect cooling solution based on available heat exchangers and pumps. Our solution is based on 12/24V electrical pump for raw/sea water and a separate circulation pump for the cooling medium (Glycol/Water) for the EV System components (Inverter, Battery and E-Motor). Heat transfer perfoirmance may be predicted for based on supplied information.

We can provide a performance prediction for speed & efficiency based from supplied attributes, including waterline length [ft or m], mass [lbs or kg] & shape and knowledge of known or desired propulsion system attributes of motor power [kW] & output shaft speed [rpm]. Additional application attributes such as gearbox reduction ratio, drive type (inc Sterndrive, Surface drive) may be included for the speed and propeller prediction.

BOWMAN HEAT EXCHANGERS FOR BATTERY, INVERTER & E-MOTOR/MACHINE COOLING

MODEL HEAT DISIPATED [Kw] COOLANT FLOW [L/MIN] WEIGHT [kg] PRICE
EC 80-5204-1 3 40 1.5 POA
EC100-5204-2 7 50 2.1 POA
EC120-5204-3 11 50 2.6 POA
EC140-5204-4 15 50 3.2 POA
EC160-5204-5 19 50 3.8 POA
FC 80-5205-1 11 80 3.5 POA
FC100-5205-2 16 80 4.2 POA
FC120-5205-3 22 80 5.2 POA
FC140-5205-4 29 80 6.5 POA
FC160-5205-5 37 80 8.0 POA
FG 80-5206-1 24 120 5.7 POA
FG100-5206-2 32 120 7.0 POA
FG120-5206-3 43 120 8.4 POA
FG140-5206-4 53 120 10.4 POA
FG160-5206-5 65 120 12.6 POA
Indicated performance of Bowman titanium heat exchangers is given using 50/50 water/glycol coolant, with 40°C coolant outlet temperature and 30°C seawater inlet temperature.
Heat exchangers with aluminium body, titanium tubes, composite end covers and EPDM seals suitable for cooling electric and hybrid propulsion systems and equipment.
Required information: Coolant type and concentration Heat to be dissipated in kW Required coolant outlet temperature in deg C, Coolant flow in L/min, Seawater temperature in deg C.
Larger size heat exchangers are also available for systems that require greater heat dissipation.

JABSCO 12V ELECTRIC SEA WATER PUMPS

OEM PART NUMBER TYPE FLOW [L/MIN] Port Dia Port Type PRICE
23670-4003 Impeller 15 3/8 BSP Threaded £218
31705-0092 Diaphram 16 3/4 in Hose £168
23920-2423 Impeller 30 3/4 BSP Threaded £229
23680-4003 Impeller 32 1.0 in Hose £151
23610-3003 Impeller 45 1/2 BSP Threaded £297
23920-2223 Impeller 50 3/4 BSP Threaded £358
Circulation system: pipework (metal, silicone, rubber) & connection & fittings can be provided as required.

JOHNSON 12V ELECTRIC CIRCULATION PUMPS

OEM PART NUMBER TYPE FLOW [L/MIN] Port Dia [mm] Port Type PRICE
CM10P7-1 Centrifical 15 16 Hose Tail £124
CM30P7-1 Centrifical 20 16 Hose Tail £143
CO90P5-1 Centrifical 67 38 Hose Tail £153
Circulation system: pipework (metal, silicone, rubber) & connection & fittings can be provided as required.

POWER TRANSMISSION

We can provide the interface between the E-Motor and Propeller including custom driveplates if required to match E-Motor.
Flexiable Couplings, dampers to isolate each drivetrain component can be specified to meet typical marine requirements. Stearngear can be specified to meet power tranmission requirments.
Our machine shop is fully equiped to provide prototype machining and tooling services. In addition our workshop can provide mechanical assembly build and adaption as rquired. Rates are either per job or charged out per hour.
Hard to obtain items can be sourced from industry partners and suppliers. We have transformed project ideas into reality using pragmatic knowledge and knowhow based from years of experience operating within harsh conditions.
We are able to caculate boat hull performance using our PROP Prediction tool. We can establish best propeller (Page-47) options and check for efficiency, overload and cavitation risk.

R&D FLEXIBLE COUPLINGS FOR ZF, PRM, B/W, TECHNODRIVE

 
OEM PART NUMBER
FLANGE DIA 
[IN]
RATING 
[HP/100rpm]
 
PRICE
910-014 4" 3hp £67
910-001 4" 5hp £67
910-004 4" 8hp £77
910-044 5" 8hp £124
910-009BW 5" 13hp £121
910-009PR 5" 13hp £121
910-029 5" 20hp* £209
910-003 6" 20hp £175
910-025 6" 28hp* £235
910-018 7 1/4" 40hp £411
910-040 7 1/4" 55hp £617
*Stronger couplings available
Example, see Page 43 for the complete range.

R&D STEEL SPLIT SHAFT HALF COUPLINGS

 
OEM PART NUMBER
FLANGE DIA 
[IN]
SHAFT DIA 
[IN]
 
PRICE
202-153 4" 3/4" (1, 1 1/4, 1 1/2) £71
202-168 5" 21mm (1 to 2" in 1/4" Steps) £107
202-176 5 3/4" 21mm (1 1/4 to 2 1/2 , 1/4" Steps)) £151
202-188 6" 21mm (1 1/4" to 2 1/2", 1/4" Steps) £151
202-381 7 1/4" Pilot bored, Max dia 2 3/4" (70mm) £406
- Metric Metric shaft diameter surcharge £5
- Non-Standard Non standard bore surcharge £40
Example, see Page 43 for the complete range.

PYTHON-DRIVE

 
OEM PART NUMBER
SHAFT SIZE HP/100 KG THRUST Bolt PCD 
[mm]
Bolt Size 
& Num
CV-Joint Shaft Length 
Standard [mm]
Optional Lenghts (in mm) PRICE
P30-R 19 - 30mm 4.1 438 86.0 M8, 6 off 145, 165, 195 250, 500, 750, 1000 £569
P60-K 30 - 40mm 8.2 581 86.0 M8, 6 off 145, 165, 195 250, 500, 750, 1000 £632
P80-S 30 - 45mm 11.0 1224 86.0 M8, 6 off 145, 165, 195 250, 500, 750, 1000 £851
P110-S 35 - 45mm 15.0 1224 94.0 M10, 6 off 180, 225 500, 750, 1000 £940
P110-T 35 - 50mm 15.0 1836 94.0 M10, 6 off 180, 225 500, 750, 1000 £1,198
P140-T 40 - 55mm 19.0 1836 103.8 M12, 6 off 180, 225 500, 750,1000 £1,539
P200-T 40 - 60mm 27.0 1836 128.0 M12, 6 off 255 500, 1000 £2,121
Double CV universal joint, thrust bearing, gearbox adaptor & shaft coupling
Prices charged will depend on manufacturers’ prices and exchange rate at the time of order. Larger sizes can be quoted for.
Constant Velocity Joint Assemblies With Thrust Bearings

DC 120 oil cooler
FC 100 oil cooler
Flexible coupling 910 009
Steel split half coupling
Python-Drive

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