When charging- Engine on Forward or Neutral? - 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 > Boat Builders Row > Pacific Seacraft
 Not a Member? 


Like Tree2Likes
  • 2 Post By chucklesR
Reply
 
LinkBack Thread Tools
  #1  
Old 01-14-2013
Junior Member
 
Join Date: Jan 2008
Location: Rockaway, NJ
Posts: 24
Thanks: 1
Thanked 0 Times in 0 Posts
Rep Power: 0
Psc242 is on a distinguished road
When charging- Engine on Forward or Neutral?

On an offshore trip we had to charge the battery twice a day for an hour with the alternator on the engine. The captain ran the engine with the gear on neutral.
It was on a leisure sail to Bermuda, not a race. The boat was moving nicely on a broad reach.
Is there any good reason not to charge on a forward drive?
Reply With Quote Share with Facebook
  #2  
Old 01-14-2013
chucklesR's Avatar
Senior Member
 
Join Date: Sep 2007
Location: Pasadena Md - Magothy side
Posts: 5,934
Thanks: 9
Thanked 28 Times in 28 Posts
Rep Power: 9
chucklesR is a jewel in the rough chucklesR is a jewel in the rough chucklesR is a jewel in the rough
Re: When charging- Engine on Forward or Neutral?

Simply put no.

In fact the opposite is true - diesels do not like to be run unloaded - and even if he had a whooping huge 200 amp alternator that's not enough load (about 5hp).

Well, there is one reason, captain said so.
__________________
Lessons learned are opportunities earned.
Reply With Quote Share with Facebook
  #3  
Old 01-14-2013
jackdale's Avatar
Senior Member
 
Join Date: Dec 2008
Location: Calgary, AB, Canada
Posts: 8,738
Thanks: 25
Thanked 30 Times in 27 Posts
Rep Power: 6
jackdale will become famous soon enough
Re: When charging- Engine on Forward or Neutral?

Some need at least 1000 to kick in the charging system. Why not use that rpm for a little additional speed? We run the watermaker at the same time.
__________________
__________________
ISPA Yachtmaster Offshore Instructor Evaluator
Sail Canada Advanced Cruising Instructor
IYT Yachtmaster Coastal Instructor
As I sail, I praise God, and care not. (Luke Foxe)
Reply With Quote Share with Facebook
  #4  
Old 01-14-2013
Senior Member
 
Join Date: Oct 2001
Posts: 167
Thanks: 0
Thanked 6 Times in 5 Posts
Rep Power: 13
niftynickers is on a distinguished road
Re: When charging- Engine on Forward or Neutral?

If Im burning the diesel then Im moving the boat--in gear use those horses

Dianne and Chuck Burke S/V NiftyNickers C37 #139
Reply With Quote Share with Facebook
  #5  
Old 02-10-2013
RainDog's Avatar
Not Finished Yet
 
Join Date: Jun 2009
Location: Port Aransas, TX
Posts: 565
Thanks: 19
Thanked 27 Times in 24 Posts
Rep Power: 6
RainDog is on a distinguished road
Re: When charging- Engine on Forward or Neutral?

I would think the engine would burn less fuel in neutral than in forward. Perhaps the captain was worried about fuel consumption.
__________________
Pacific Seacraft 34 #142
Port Aransas, Texas

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

Reply With Quote Share with Facebook
  #6  
Old 02-11-2013
Junior Member
 
Join Date: Jan 2008
Location: Rockaway, NJ
Posts: 24
Thanks: 1
Thanked 0 Times in 0 Posts
Rep Power: 0
Psc242 is on a distinguished road
Re: When charging- Engine on Forward or Neutral?

Thanks for your respond.
I am sure that saving fuel is on every captain's mind in an offshore voyage.
in that case what would be the difference in fuel consumption in a 50 HP yanmar engine?
Reply With Quote Share with Facebook
  #7  
Old 02-11-2013
RainDog's Avatar
Not Finished Yet
 
Join Date: Jun 2009
Location: Port Aransas, TX
Posts: 565
Thanks: 19
Thanked 27 Times in 24 Posts
Rep Power: 6
RainDog is on a distinguished road
Re: When charging- Engine on Forward or Neutral?

Not sure what the engine was on the boat your were on, but if you know the model, you can google the fuel curve. For comparison, here is the fuel curve for my 30 hp.

http://svbreakaway.info/resources/im...jects/Fuel.jpg

of course this does not give you load vs. no-load at the same RPM.
__________________
Pacific Seacraft 34 #142
Port Aransas, Texas

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

Reply With Quote Share with Facebook
  #8  
Old 02-11-2013
Bene505's Avatar
Glad I found Sailnet
 
Join Date: Jul 2008
Posts: 3,539
Thanks: 5
Thanked 37 Times in 36 Posts
Rep Power: 7
Bene505 will become famous soon enough Bene505 will become famous soon enough
Re: When charging- Engine on Forward or Neutral?

Just to round-out this discussion, at anchor I charge with the transmission in reverse. It keeps a load on the diesel. I keep a good watch during this process.

Regards,
Brad
__________________
Posts you might like:

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
. .

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
. .
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
. .
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
. .
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
. .
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
Reply With Quote Share with Facebook
  #9  
Old 02-12-2013
jackdale's Avatar
Senior Member
 
Join Date: Dec 2008
Location: Calgary, AB, Canada
Posts: 8,738
Thanks: 25
Thanked 30 Times in 27 Posts
Rep Power: 6
jackdale will become famous soon enough
Re: When charging- Engine on Forward or Neutral?

Quote:
Originally Posted by Bene505 View Post
Just to round-out this discussion, at anchor I charge with the transmission in reverse. It keeps a load on the diesel. I keep a good watch during this process.

Regards,
Brad
I set my anchor with at least 1500 rpm in reverse. If my anchor drags while charging, it is not properly set.
__________________
__________________
ISPA Yachtmaster Offshore Instructor Evaluator
Sail Canada Advanced Cruising Instructor
IYT Yachtmaster Coastal Instructor
As I sail, I praise God, and care not. (Luke Foxe)
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
Volvo MD2040C sail w/engine in neutral? birdlives Diesel 3 04-20-2011 08:53 AM
New Diesel Engine, Low Load Charging gbm4th Diesel 6 11-04-2010 11:56 AM
Charging battery from old outboard engine 99miles Gear & Maintenance 8 06-01-2010 03:28 PM
Sail in Forward, Reverse, or Neutral? elcap373 Gear & Maintenance 15 01-25-2010 07:05 PM
Vibration from forward to neutral gsyversen Gear & Maintenance 8 07-07-2008 03:26 PM


All times are GMT -4. The time now is 07:58 AM.

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