| Home
SiteMap
Contact us:
 (44) 01202 891824
Fax: (44) 01202 895882
General enquiries:
engines@mermaid-marine.co.uk
Sales: David Okey
Engines, transmissions, water-jets & accessories
david@mermaid-marine.co.uk
After sales: Jason Murrell
Spares, service, overhaul & out of production engines
jason@mermaid-marine.co.uk
Technical Support: Cyril Snare
cyril@mermaid-marine.co.uk
Accounts: Jo Palmer
jo@mermaid-marine.co.uk
Owners Club: Barbara Snare
(44) 01425 477545
club@mermaid-marine.co.uk
|
|
|
 |
 |
|
Gearboxes - matching the gearbox to your engine: |
This can be a complex area but is absolutely critical to the success of your project. We are very happy to advise you - so please contact us for help - (44) 01202 891824
Things to consider:
Input power to the gearbox (equates to the output of your engine)
Reduction ratios - ranges from 1:1 to 3:1 (in certain configurations 4:1)
Common configurations:
Engine - In-line - Propellor
|
Engine - Down Angle (8 to 10 degrees) - Propellor
|
Engine - Offset - Propellor
|
|
| Engine type |
Gearbox options for non-commercial use |
Gearbox options for heavy duty commercial use |
| Mariner |
BorgWarner 10 -18 series
PRM 500 (302)
ZF 45A |
PRM 1000 (601) |
| Mistral |
PRM 750D (402)
or PRM 750A (402A)
BorgWarner 10 - 18 series |
Twin Disc MG 506/506A
PRM 1000 (601) |
| Majestic |
BorgWarner 10 - 18 series
ZF63A down angle gear |
PRM 750 (401) or heavy duty PRM 1000 (601)
|
| Monarch |
BorgWarner 5000
Twin Disc MG 502 down angle gear |
PRM 1000 (601)
Twin Disc MG 5050 |
| Turbo Plus |
Twin Disc MG 5050/5050A
PRM 1000 (601) |
Twin Disc MG 5061 |
Drive and clutch plates are available from each gearbox manufacturers:
R & D - suitable in low power applications
CENTA - suitable for commercial craft and fishing boats
VULKAN - suitable for ferries and tugs |
| Stern Drives |
(applied to a bobtail engine)
All configurations are offset
Reduction system is incorporated in the leg: 1.5:1 to 3:1
Uses the same drive plates as for gearboxes
KONRAD and STERN POWER manufactureof heavy duty stern drives for Mermaid engines.
KONRAD Sterndrive
|
BRAVO sterndrives for Steyr engines only
Mercruiser drive plate
BRAVO 1 - single small propellor - sports boat
BRAVO 2 - single large propellor - workboats
BRAVO 3 - twin contra rotating propellors - sportsboats
|
|
|
|
|
To read the PDF files you may need to download Adobe Reader.
|
