Long shaft outboard as dingy kicker? - SailNet Community

   Search Sailnet:

 forums  store  


Quick Menu
Forums           
Articles          
Galleries        
Boat Reviews  
Classifieds     
Search SailNet 
Boat Search (new)

Shop the
SailNet Store
Anchor Locker
Boatbuilding & Repair
Charts
Clothing
Electrical
Electronics
Engine
Hatches and Portlights
Interior And Galley
Maintenance
Marine Electronics
Navigation
Other Items
Plumbing and Pumps
Rigging
Safety
Sailing Hardware
Trailer & Watersports
Clearance Items

Advertise Here






Go Back   SailNet Community > On Board > Gear & Maintenance
 Not a Member? 
  #1  
Old 03-22-2006
Member
 
Join Date: Nov 2002
Posts: 54
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 12
BeneteauMark is on a distinguished road
Question Long shaft outboard as dingy kicker?

Hello everyone --

I just upgraded the outboard on my sailboat from a 5hp to a 9.9. Was thinking of using the 5hp with my dingy (a Zodiac fastroller 310 -- about 10 feet long), but the outboard is a long shaft.

Is there any particular reason that you shouldn't use a long shaft on a dingy? I'm not planning on doing anything extreme -- just riding around.

Thanks.
Mark
One Step Closer
Lake St. Clair, MI
Reply With Quote Share with Facebook
  #2  
Old 03-22-2006
Senior Member
 
Join Date: Nov 2005
Posts: 105
Thanks: 1
Thanked 0 Times in 0 Posts
Rep Power: 9
Artwerke is on a distinguished road
A long shaft shouldn't do any more than increase your draft by 5" and add extra drag by the cavitation plate being so far down, but for just pushing the dink around it beats trying to row an inflatable and it's there in your hand. Art.
Reply With Quote Share with Facebook
  #3  
Old 03-22-2006
Sasha_V's Avatar
Senior Member
 
Join Date: Feb 2004
Posts: 459
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 11
Sasha_V will become famous soon enough
it just restricts the depth of water you can comfortably operate the dinghy in. Means you get wet to the thighs instead of the knees when you motor up to the beach.

In an extreme case the lowered centre of effort will also change the dinghy's stability and planing characteristics (sometimes in hilarious but not usefull ways)...but with a 5hp motor that is not really going to be an issue for you.

If the old 5hp had a yacht prop on it, then consider going over to a prop more suited to pushing a dinghy. It makes a huge difference.

Oh yeah, as a final possibility, it is possible to just buy a short shaft adaptor. about an hour and a half of tinkering means you can replace the internal drive shaft with the shorter unit and either unbolt or cut off (depending on make or age) the spacer on the exterior leg. Check the manufacturer's website to see if they make a coversion kit and how much it is.

Cheers

Sasha
Reply With Quote Share with Facebook
  #4  
Old 03-22-2006
Senior Member
 
Join Date: Jun 2005
Location: New Orleans
Posts: 1,886
Thanks: 7
Thanked 26 Times in 23 Posts
Rep Power: 10
nolatom will become famous soon enough
Sure you can, and a stupid human trick..

No reason why not, aside from the slightly increased draft.

And you can try an "idiot trick" I did as a kid with a square-ended pram and a longshaft 3hp Evinrude...

Turn the motor around backwards, max the throttle, and slide "back" towards the bow so the stern clears the water, and you're planing backwards! Be careful when you come back off plane so you don't ship water..

Remember, kids, don't try this at home, I was a professional idiot on a closed course....

Last edited by nolatom; 03-22-2006 at 10:28 PM. Reason: used wrong term--water, not bow
Reply With Quote Share with Facebook
  #5  
Old 03-23-2006
sailandoar's Avatar
Senior Member
 
Join Date: Mar 2006
Location: Cape Fear, NC, USA
Posts: 208
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 9
sailandoar is on a distinguished road
Won't trim out and plane with higher HP and to long shaft

Might not matter much with a 5HP but friend with a 10' RIB bought a 25inch shaft 10HP because it was cheaper in that particular case and the salesman told him it would be fine.
He is now resigned to carrying heavy items in the bow all the time or running with the stern buried and the bow in the air. He should have a little utility sport boat and instead has a wierd little clown boat.
Reply With Quote Share with Facebook
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

 
Posting Rules
You may post new threads
You may post replies
You may post attachments
You may edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On


Similar Threads
Thread Thread Starter Forum Replies Last Post
tow dingy with outboard? Marty Levenson Seamanship & Navigation 13 04-18-2006 10:39 PM
long or short shaft? lee_1999 Gear & Maintenance 6 04-17-2003 06:06 PM
Dingy Outboard Motor rclampitt Cruising & Liveaboard Forum 9 02-22-2003 02:14 PM
Dingy Outboard Motor rclampitt Gear & Maintenance 6 01-21-2003 02:55 PM
Dingy Outboard Motor rclampitt Cruising & Liveaboard Forum 0 01-10-2003 06:38 PM


All times are GMT -4. The time now is 08:28 PM.

Add to My Yahoo!         
Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
SEO by vBSEO 3.6.1
(c) Marine.com LLC 2000-2012

The SailNet.com store is owned and operated by a company independent of the SailNet.com forum. You are now leaving the SailNet forum. Click OK to continue or Cancel to return to the SailNet forum.