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  1. Channel cooler sizing
  2. my boat motor (input wanted on electric motor, variable speed drive, 6.5kva genset)
  3. Last Outboard Thread - Does My Dream Outboard Exist?
  4. used motor oil as fuel
  5. How Much Does it Cost to Marinize a Kubota?
  6. Which outboard for 17 ft pedro with 19" transom?
  7. Liquid Air Engine
  8. Yet Another New Type Of Engine..
  9. pictures of engine bay of a dateline bikini
  10. Ganging Outboards - Does it work?
  11. I want this to work so bad ... The Little Diesel That Could (Not)
  12. Thrust and Horsepower. Kort Nozzles
  13. How much Push or Pull do you need ?
  14. Jack Shaft Setup?
  15. Outside the box -- sort of
  16. Torque of Mercruiser 4.3 MPI
  17. rudders
  18. spring line
  19. 1978 IMP X-250 question - what outdrives?
  20. Steyr MO32
  21. thruster
  22. PTO Unit - Need to Call in The Experts!
  23. V8 or pedal powered fun craft.
  24. How to calcualte powering and How to design propeller?
  25. Rice nozzle confusion
  26. ceramic/hybrid roller/needle bearings
  27. volvo v8 deisel & strern drive
  28. Need Help And Advice
  29. Brainstorming Retractable Drives
  30. OK, an automotive A/T handles a prop just fine;
  31. HDPE liner in fuel tanks?
  32. Cooling of engine
  33. Combustion or heat engine
  34. blackhawk drives
  35. Shaft Angle
  36. fishing vessel- pleasure boat
  37. Pedalboat drive unit /Sea Cycle etc
  38. Nissan 2.7 diesel turbo
  39. Retractible SailDrive?
  40. Cruising a twin screw Semi-displacement boat for minimum fuel consumption
  41. Resistance of pusher boats
  42. Engine mount failures
  43. Allison papers
  44. Has anyone used Propylene glycol coolant & had problems with cooling?
  45. Stern tube design considerations
  46. re-power of 1963 38' Chris Craft Roamer Offshore
  47. Wave propulsion
  48. Alternative "Caterpillar" Propulsion System?
  49. Connecting two shafts / diameter is restricted
  50. Detonation Gun Engine
  51. skeg hydroplane need help super bad
  52. Do your own homework and save fuel
  53. Propeller Tunnel / Impeller for child safe motor
  54. Choosing Correct Outboard - Need Technical Help
  55. B.R.P. Rotax engines
  56. Fresh Water Resistance
  57. Flybridge Steering
  58. Building a trolling motor
  59. deadweight
  60. HPB - looking for input
  61. 4-bar linkage question
  62. replacement engine
  63. Single engine twin screw repower
  64. Starting Old Engines
  65. marine neophyte's engine questions...
  66. Pros & Cons of 1 engine/sterndrive VS 2 engine/sterndrive setup on 43' Houseboat?
  67. Mercruiser Gear Lube
  68. compressed natural gas engine
  69. Looking for OZMarine OZEcoDrive Electric motor DISTRIBUTOR in US or Canada
  70. diesel four stroke
  71. engine replacement
  72. Sabb diesel
  73. efi conversion on boats
  74. Need help: Mercruiser Alpha Gen II or Bravo II ??
  75. Making fuel from wood.
  76. Mercruiser CAD drawings
  77. Water Pump as a Jet Drive
  78. varible pp
  79. Has anyone seen this?
  80. e-motor sail-catamaran
  81. hydraulic propulsion for tugboats??
  82. Exhaust backflow
  83. appropriate transmission for MTU 2000 M93 12V
  84. DC Propulsion on semi- planning hull
  85. New ZF pod for single installations
  86. power estimation
  87. Outboard Platform or Cut-down Transom?
  88. Specification for DP capability plots
  89. Looking for advice on Velvet Drive
  90. Regenerative Propulsion Help
  91. Do you really need a short shaft on an inflatable?
  92. ASD vs conventional FPP propeller and rudders for 50+m AHTS tugboat
  93. Shaft Saver
  94. Shaft layout issues
  95. Perkins 4-108 and Velvet drive trans problem
  96. Does Anybody Know Where I Can Get A Counter Rotating Prop Mechanism Like A Torpedo?
  97. Aquadrive thrust bearing very hot
  98. Pipes on board
  99. Resistance calculation using HOLTROP
  100. engine oil cooler electric pump size for chrysler slant six
  101. outboard gear ratios
  102. Diesel VS 4 stroke outboard fuel consumption
  103. DONG Energy Frisian Solar Challenge
  104. Mercruiser 3.7 swap to??
  105. Most economical diesel
  106. Instructions for designing a new Propeller
  107. Engine and Propeller Matching Help Please...
  108. Wind powered ground effect boat/craft
  109. mini zap cat yam 20hp prop selection help please
  110. gear box ration choice
  111. hydro drive, cheaper set up??
  112. Parallel Offset Transmission
  113. Innovative transmission
  114. Propeller Design
  115. MinKota: What horsepower?
  116. Oars?
  117. looking for thermostat housing 350 Chevy OMC
  118. need a new alternator
  119. Thoosa 17000
  120. Design diameter of Rudder stock
  121. clearance between propeller and duct
  122. FLYWHEEL Energy Storage Systems
  123. Adding an OB w/bracket to a 20' Moopie
  124. New Human Powered/Electric Gear Prototyping
  125. Roberts Spray 36 only does 3K with new 50hp volvo. Is this right?
  126. Javaprop to autocad 3d solid
  127. Electric propulsion
  128. Catamaran Propulsion Thoughts?
  129. Motor sizing Issues
  130. Math Question
  131. kort nozzle
  132. If I buy this old boat, will the engine work ?
  133. Bloom Box...Revolutionary New Fuel Cell Technology
  134. anyone know how to cheaply run a large dc industrial motor?
  135. support for mounting outboards
  136. Saildrives and folding propellers for High Power engines (300 hp +)
  137. rudder for a trimaran superyatch
  138. Weirdest propulsion system
  139. propulsion system design...............
  140. Prop sizing and thrust
  141. Boat propulsion using windmill power directly
  142. Alternative propulsion
  143. Gas turbine
  144. Help With Inboard Shaft Angle
  145. how calculate power and resistance of a lcvp
  146. Kt & Kq
  147. electric kayak.
  148. PTI motar
  149. ion drive
  150. best propolution method, normal Prop, Jet style or paddle wheel?
  151. An Innovative System
  152. Cummins -Cat comparison
  153. Help me check this prop design program
  154. broken pull start
  155. air cooled or water
  156. Shallow Water Tunnel Design
  157. Large-Scale Propulsion
  158. Positive Floatation, Offset Engine Bracket
  159. in the old days of sail and steam
  160. outboard in front?
  161. Manufacturing A Propeller
  162. AUV prpulsion system?
  163. Repoweing... How do you compare a diesel to a gas?
  164. rudderdesign on planing hull
  165. Decide for propulsion system
  166. Fuel Tank Questions
  167. hp/lb ratio 20:1
  168. Big speed, little speed....2 motors
  169. Continuously Variable Transmissions
  170. know better than go to Rhode River Marina
  171. Loose stern tube
  172. Propulsion system selection
  173. Retractable drive
  174. converting twin straight drives to a single sterndrive
  175. Define what a Surface-Piercing propeller is
  176. one prop instead of 2
  177. engine dilemma-outboard v inboard
  178. emergency fuel pump
  179. oil hydraulics questions
  180. Tunnel drives
  181. Electrial propulsion reverse calcu.?
  182. Robinson's Curve
  183. 10 to 30 % fuel saving with much lower emission, for or against ?
  184. Emission Controls - Technical Thread
  185. Cost reduced...cheap and dirty... CPP unit
  186. oil temperature guage
  187. Boom and gaff question
  188. (Newbie) why don't Boats use Multi-Gear Transmissions?
  189. 10000 BHP Voith-Schneider tugs
  190. Saildrive modification
  191. This is MERELY a Mental Workout
  192. the steamless steam engine
  193. 1956 goodyear super bee
  194. Hydrogen power for a boat?
  195. Technodrive Tmc10
  196. Fish tail rudder or yuloh? anyone seen anything like this?
  197. question about Velvet drive transmissions
  198. Twin-Propeller Open Water Efficiency
  199. ZF 15MA Transmission
  200. CPP desapear from recreational boats Who gets the benefit of the crime ?
  201. these turbine alternaters are easy to make
  202. Caged propellers
  203. Break joints, safety clutches or whatever
  204. Thermoacoustic applications 5kw/kg
  205. Engine torque or power
  206. Future of GM based gas engines...
  207. Boiler design and Green Steam Engine
  208. URGENT - Mercruiser Bravo 3 Dimension
  209. Electrical motor maths: 25HP=8HP?
  210. Best custom prop maker?
  211. How fast will it go?
  212. Fish-like propulsion
  213. Long Shaft Solutions
  214. are there any boats running compressed-air engines?
  215. Auxiliary Sail Power
  216. those Speedy Dolphins....how??
  217. Best engine controls for mechanical gearboxes
  218. Marine propane gas conversion
  219. DDWFTTW - Directly Downwind Faster Than The Wind
  220. Steam-Expansion in Resonant Cavity Propulsion
  221. proximate diameter of a single screw 92 meter container
  222. Antique drive question
  223. Single Or Multiple Engine Application
  224. fishboat resistance prediction method
  225. Hydraulic drive
  226. Microwave Drive
  227. convert inboard to outboard
  228. Bravo 111 Transom Thickness
  229. engine choices
  230. Converting Harrier 700 sterndrive to outboard drive
  231. Won't go out of neutral
  232. Aftermarket fuel management systems?
  233. PWC Engine mated to an inboard tranny?
  234. Open Ips Thread...
  235. In Gear or Out
  236. appropriate gear ratio
  237. tiny trolling motor for kayak/canoe fishing
  238. Self-Powered wakeboard
  239. Value w - t propulsion
  240. Rybo Runner Power Options?
  241. how bad an idea: PWC jet to surface drive
  242. Alternative Propulsion And Hulls
  243. model boat motor
  244. Research Project on SPP's
  245. Transverse Thruster
  246. Bravo 111 Transom Cutout Drawing
  247. How do you calculate the power required for propulsion?
  248. Mercruiser 260 overheating
  249. Requirement for a small thruster?
  250. Propellers or shaft spacing