Go Back   Montana Owners Club - Keystone Montana 5th Wheel Forum > GENERAL DISCUSSIONS > General Discussions about our Montanas
Click Here to Login

Reply
 
Thread Tools Display Modes
 
Old 03-06-2010, 04:36 PM   #1
7.3Ford
Montana Master
 
7.3Ford's Avatar
 
Join Date: Oct 2009
Location: Indian Land
Posts: 1,122
M.O.C. #9808
Finished Battery Box

I finished my battery box to hold six Trojan T-105. The box is made out 3/8 plywood with rubber shower pan liner on the in side to contain any over flow. I used stainless steel bolts to take power from inside to out side, so the box is sealed except for air vents going to outside.

[






__________________
2015 Montana 3611RL - 2020 RAM 3500 SRW 4X4
John Walker, Indian Land, SC
Blog https://RoVIngWalkers.blogspot.com/
7.3Ford is offline   Reply With Quote
Old 03-06-2010, 04:48 PM   #2
radioattic
Montana Fan
 
Join Date: Dec 2009
Location: Jemison
Posts: 121
M.O.C. #9967
Sweet! Did you have to fortify the bottom of the storage area?
radioattic is offline   Reply With Quote
Old 03-06-2010, 04:53 PM   #3
7.3Ford
Montana Master
 
7.3Ford's Avatar
 
Join Date: Oct 2009
Location: Indian Land
Posts: 1,122
M.O.C. #9808
Quote:
quote:Originally posted by radioattic

Sweet! Did you have to fortify the bottom of the storage area?
I didn't, the 400lbs are spread over almost 4 square feet. The load is also in the middle.
__________________
2015 Montana 3611RL - 2020 RAM 3500 SRW 4X4
John Walker, Indian Land, SC
Blog https://RoVIngWalkers.blogspot.com/
7.3Ford is offline   Reply With Quote
Old 03-06-2010, 05:25 PM   #4
Mudchief
Montana Master
 
Join Date: Nov 2005
Location: Paola
Posts: 5,679
M.O.C. #4961
That is a good job. They should last a good while.
__________________
Dennis & Linda Ward
Paola, Kansas
Montana 3735MK Legacy Edition
1200 watts of Solar
Mudchief is offline   Reply With Quote
Old 03-06-2010, 07:36 PM   #5
clarkandsheila
Montana Fan
 
Join Date: Dec 2007
Location: Somewhere
Posts: 214
M.O.C. #7994
Looks good but a couple of points; replace the S.S. bolts with silicon bronze or brass including the nuts and washers. Both are 70-80% copper. S.S. compared to these two metals is a poor conductor. If you are pulling only light loads and have the large bank for long use there may not be a problem. If you are running a large inverter through these bolts you may have a good size volt drop which will = heat and power loss. One way to check it is to run your loads and clip a voltmeter to the cable lugs on each side of the bolt. You should see only a few millivolts on the meter. Much more and you are losing power heating up the bolts. The inverter will also see slightly lower input voltage and they can be sensitive to that.

The other is to run one of the output conductors, either neg. or pos. to the other end of the bank. This will help even out the draw and the recharge between the batteries.

Just a suggestion.

clarkandsheila is offline   Reply With Quote
Old 03-07-2010, 02:45 AM   #6
Ozz
Montana Master
 
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
nice job, you do good work
Ozz is offline   Reply With Quote
Old 03-07-2010, 10:00 AM   #7
HamRad
Montana Master
 
Join Date: Nov 2002
Location: Bakersfield
Posts: 5,316
M.O.C. #15
John,
Wow! That is nice. I want to go to something similar. So now I'll have a good plan to follow. I notice you used only black wiring inside the box. Is that because you had a lot of black cable?

Thanks for the really nice pictures.
Dennis
HamRad is offline   Reply With Quote
Old 03-07-2010, 04:07 PM   #8
7.3Ford
Montana Master
 
7.3Ford's Avatar
 
Join Date: Oct 2009
Location: Indian Land
Posts: 1,122
M.O.C. #9808
Quote:
quote:Originally posted by HamRad

John,
Wow! That is nice. I want to go to something similar. So now I'll have a good plan to follow. I notice you used only black wiring inside the box. Is that because you had a lot of black cable?
Dennis,

I just got 20 feet of copper 2/0 cable from Lowes ($58.00). They didn't have any other color. I got wire ends from Northern Arizona Wind & Sun, Inc. I put the 2500 Watt SunForce Pro (Pure Sine Wave) Inverter in today, didn't have time to take pictures. I got it from Amazon ($599), comes with wireless remote.
__________________
2015 Montana 3611RL - 2020 RAM 3500 SRW 4X4
John Walker, Indian Land, SC
Blog https://RoVIngWalkers.blogspot.com/
7.3Ford is offline   Reply With Quote
Old 03-07-2010, 04:14 PM   #9
7.3Ford
Montana Master
 
7.3Ford's Avatar
 
Join Date: Oct 2009
Location: Indian Land
Posts: 1,122
M.O.C. #9808
Quote:
quote:Originally posted by clarkandsheila

Looks good but a couple of points; replace the S.S. bolts with silicon bronze or brass including the nuts and washers. Both are 70-80% copper. S.S. compared to these two metals is a poor conductor. If you are pulling only light loads and have the large bank for long use there may not be a problem. If you are running a large inverter through these bolts you may have a good size volt drop which will = heat and power loss. One way to check it is to run your loads and clip a voltmeter to the cable lugs on each side of the bolt. You should see only a few millivolts on the meter. Much more and you are losing power heating up the bolts. The inverter will also see slightly lower input voltage and they can be sensitive to that.

The other is to run one of the output conductors, either neg. or pos. to the other end of the bank. This will help even out the draw and the recharge between the batteries.
I will have to check that, I don't think 3/4" run of SS 3/8" bolt is going to drop any, but I will load up there inverter and see what I get. So far I can't get the inverter hot enough to turn on the fans, but didn't have a lot of time to test thing, before I had to take the Monty back to storage.
__________________
2015 Montana 3611RL - 2020 RAM 3500 SRW 4X4
John Walker, Indian Land, SC
Blog https://RoVIngWalkers.blogspot.com/
7.3Ford is offline   Reply With Quote
Old 03-08-2010, 01:35 AM   #10
Tom S.
Montana Master
 
Join Date: Aug 2007
Location: Waterford
Posts: 3,693
M.O.C. #7500
For future reference, as Clark pointed out, stainless steel is poor conductor, so consider replacing with copper. Also, welding supply places sell multi-strand wire that not only comes in black and red, it's very easy to bend compared to regular wire. I also have some reservations about having the outputs being in contact with a flammable substance (painted wood), unless they are isolated with nonconducting heat resistant material.
Tom S. is offline   Reply With Quote
Old 03-11-2010, 03:53 PM   #11
7.3Ford
Montana Master
 
7.3Ford's Avatar
 
Join Date: Oct 2009
Location: Indian Land
Posts: 1,122
M.O.C. #9808
Quote:
quote:Originally posted by clarkandsheila

Looks good but a couple of points; replace the S.S. bolts with silicon bronze or brass including the nuts and washers. Both are 70-80% copper. S.S. compared to these two metals is a poor conductor.
Well I got a chance to run some load today (space heater). Running the space heater for about 5 minutes, the bolts started getting warm, so that answers the question about SS. I tried Lowes, they didn't have anything so I ordered Silicon Bronze hardware via the Internet.

Everything else stayed cool, so that should take care of things.
__________________
2015 Montana 3611RL - 2020 RAM 3500 SRW 4X4
John Walker, Indian Land, SC
Blog https://RoVIngWalkers.blogspot.com/
7.3Ford is offline   Reply With Quote
Old 03-11-2010, 05:48 PM   #12
HamRad
Montana Master
 
Join Date: Nov 2002
Location: Bakersfield
Posts: 5,316
M.O.C. #15
John,
The price for the pure sine wave 2500 watt inverter is a good one. I thought the pure sine stuff was much more expensive. I'll have to check out Amazon for those things.

Thanks for info.
Dennis
HamRad is offline   Reply With Quote
Old 03-12-2010, 05:36 AM   #13
Ozz
Montana Master
 
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
I bought mine from Back Woods Solar, good company with tons of Battery, Inverter, Solar stuff

Ozz is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Well, I finished stiles watson Maintenance 9 10-25-2008 03:23 PM
Cardinal finished tom41 Arts & Crafts 6 04-06-2008 05:30 AM
just finished tom41 Arts & Crafts 8 12-18-2007 06:28 AM
4 More Projects Finished prariepoodle Arts & Crafts 2 01-20-2007 08:40 PM
Are your Cabinets Finished?? Please Look campbud Montana Problems, Problem Solving & Technical Help 5 05-21-2006 06:46 AM

Powered by vBadvanced CMPS v3.2.3
Disclaimer:

This website is not affiliated with or endorsed by Montana RV, Keystone RV Company or any of its affiliates. This is an independent, unofficial site.


All times are GMT -6. The time now is 02:24 PM.


Powered by vBulletin® Version 3.8.9
Copyright ©2000 - 2020, vBulletin Solutions, Inc.
×