Reply
 
Thread Tools Search this Thread Display Modes
 
Old 06-17-2011, 08:21 PM   #15
3 Rivet Member
 
2009 25' SS International
Pasadena , California
Join Date: Jul 2009
Posts: 147
Quote:
Originally Posted by RickDavis View Post
I won't comment on the trailer tire wear but it is normal for the rear truck tires to wear faster than the front since they are subject to the stress of acceleration. It is also not uncommon for one side to wear more than the other if you don't have alimited slip differential
it's a BIG difference in tire wear (front to back) side to side is the same, i ain't racing my truck/trailer

to tell you about the wear i would say fron tires have 25k miles left, rear tires have 3k left, never put the rear in the front...
__________________

__________________
flmgrip is offline   Reply With Quote
Old 06-17-2011, 08:26 PM   #16
3 Rivet Member
 
2009 25' SS International
Pasadena , California
Join Date: Jul 2009
Posts: 147
sorry for all the replies... but i can't be the only one to tow a "small" trailer with a "big" truck...

do i need a complete new hitch setup?

thanks for all the input
__________________

__________________
flmgrip is offline   Reply With Quote
Old 06-17-2011, 08:55 PM   #17
Rivet Master
 
r carl's Avatar
 
Vintage Kin Owner
Lin , Ne
Join Date: Dec 2009
Posts: 2,057
Quote:
Originally Posted by flmgrip View Post
hello


now after towing many miles, my rear tires on the truck did wear much more than the front ones... and the REAR tires on the AS are worn more too...

so how much does tire wear tell you about proper or improper setup?

thanks for your help
Nothing,, not until we see how they are wearing.
__________________
r carl is offline   Reply With Quote
Old 06-17-2011, 09:29 PM   #18
CLOUDSPLITTER "Tahawas"
 
ROBERT CROSS's Avatar

 
2003 25' Classic
Zanadude Nebula , WNY
Join Date: Jun 2007
Posts: 11,153
Images: 1
Quote:
Originally Posted by flmgrip View Post
sorry for all the replies... but i can't be the only one to tow a "small" trailer with a "big" truck...

do i need a complete new hitch setup?

thanks for all the input

Maybe, maybe not...

Do you know the tongue weight? You need to know how much weight is available to transfer.

We tow 25' Classic, loaded for camping, 1175 tongue weight, with a 2500 Burb. The Auto-ride is considerably softer than your 2500 p/u. We are using 1000# bars and pass the CAT test, all #'s good and trailer level. (measured at the belt line molding and thru the center of each tire to the edge of the wheelhouse opening)

With your P/U, you should go to a lighter bar, if they aren't available for your hitch, consider a new set-up along with a new set of tires rotated every 6k.
Get a base weight for the TV, get several TV/AS weights at different bar settings. A level rig, (TV & trailer), with the proper weight transferred to the TV str axle is the goal.

Good Luck

Bob
__________________
PFC.....

“After all these years the reason I continue to love Thanksgiving.....I still sit at the kids table.”
RLC

Sandra wanted to go to Cleveland on vacation,
but I’m the Husband, so we went to Cleveland.
RLC
ROBERT CROSS is offline   Reply With Quote
Old 06-17-2011, 09:47 PM   #19
Rivet Master
 
dkottum's Avatar
 
2012 25' Flying Cloud
Battle Lake , Minnesota
Join Date: Jun 2009
Posts: 7,716
Andy makes a useful comment about failed rubber rods in one of the axles. Airstream uses axles of different load rating on different trailers. Would it be worth crawling under there to ensure you have matching axles? Could they make such a mistake?

doug k
__________________
dkottum is offline   Reply With Quote
Old 06-17-2011, 09:59 PM   #20
CLOUDSPLITTER "Tahawas"
 
ROBERT CROSS's Avatar

 
2003 25' Classic
Zanadude Nebula , WNY
Join Date: Jun 2007
Posts: 11,153
Images: 1
Quote:
Originally Posted by dkottum View Post
.... Could they make such a mistake?

doug k
YEAH....our Classic 7300lb GVTW, with two 3500lb axles. We start out 300lb behind.
That's normal folks, Airstream didn't consider that a problem.
__________________
PFC.....

“After all these years the reason I continue to love Thanksgiving.....I still sit at the kids table.”
RLC

Sandra wanted to go to Cleveland on vacation,
but I’m the Husband, so we went to Cleveland.
RLC
ROBERT CROSS is offline   Reply With Quote
Old 06-17-2011, 10:17 PM   #21
Top
Always learning
 
Top's Avatar
 
1972 29' Ambassador
1962 19' Globetrotter
1951 21' Flying Cloud
Central , Texas
Join Date: Oct 2010
Posts: 2,779
Images: 24
Blog Entries: 2
Send a message via Yahoo to Top
Bob,
The axles don't carry the tongue weight. You said the tongue weight was 1,175 so the two #3,500 lb axles are more than adequate for the remaining 6,125 lbs.
__________________
Lance

Work is never done, so take time to play!
Top is offline   Reply With Quote
Old 06-17-2011, 10:33 PM   #22
Vintage Kin
 
slowmover's Avatar
 
Fort Worth , Texas
Join Date: Nov 2006
Posts: 7,603
Images: 1
Since you started a thread over your concern, just start over. From scratch: Truck Empty (which is driver, full fuel and stuff that never leaves truck). Both axles separately. And give us factory GAWR's and GVWR. Plus pictures.

Then, with vehicles loaded for travel:


(per Ron Gratz over at rv.net)

Weighing #1 -- TT attached and Weight Distribution Activated

Let Front Axle Load be "FA1"

Let Rear Axle Load be "RA1"

Let TT Axles Load be "TT1"

Then, while in same position on scales, take
Weighing #2 -- TT attached and Weight Distribution Not Activated

Let Front Axle Load be "FA2"

Let Rear Axle Load be "RA2"

Let TT Axles Load be "TT2"

Then, drive off scales and drop TT. Return to scales and take
Weighing #3 -- TV only -- TT Not Attached

Let Front Axle Load be "FA3"

Let Rear Axle Load be "RA3"

From the above values, you can calculate:

TV weight = FA3 + RA3

Gross Combined Weight = (FA1 + RA1 + TT1)
- should also be equal to (FA2 + RA2 + TT2) if scale weights are correct

TT Weight = Gross Combined Weight - TV Weight

Tongue Weight = (FA2 + RA2) - (FA3 + RA3)

Load Transferred to TT Axles
when WD System in Activated = TT1 - TT2


The generic WDH adjustment these days is 75% to TV rear axle and 25% to TT axles when WDH is "correct" (against manufacturer guidelines as the control). The TV FA should be the same in all scaled readings (or close).

With these readings tire cold pressure should be adjusted accordingly.
What are the current pressure numbers against what load numbers?

Further experimentation can be done past that point. First, set a new baseline.

.
__________________
1990 35' Silver Streak Sterling; 9k GVWR.
2004 DODGE Cummins 305/555; 6-manual; 9k GVWR.
Hensley Arrow. 9-cpm solo, 15-cpm towing
Sold: Silver Streak Model 3411
slowmover is offline   Reply With Quote
Old 06-18-2011, 12:38 AM   #23
Rivet Master
 
ROBERTSUNRUS's Avatar

 
2005 25' Safari
Salem , Oregon
Join Date: Mar 2006
Posts: 7,272
Images: 18
Blog Entries: 51
Hi,

(1.) Equal-i-zer hitches don't have chains. [Andy]

(2.) You can go to lighter bars, but will have to buy a different hitch head too.

(3.) To make it simple, you should rotate your truck tires every other or every time of oil change.

(4.) I had a broken clip and a broken wire on my rear trailer brakes; You might check to see if all of your trailer brakes are adjusted the same and working. Possible that only your rear axle brakes are working or doing most of the stopping.

(5.) Do you have pictures of all of the tires involved? Different wear patterns show different reasons for bad wear.

(6.) Rare, but possible for trucks to have un-equal braking too. [not meaning that your truck brakes should all be the same because they aren't, but in proper proportion with each other. For example, if you replaced your truck's brakes with organic on the front and ceramic on the rear instead of the factory metalic all the way around, you could have too little braking on the front and too much braking on the rear.

These are only suggestions as I haven't seen or know anything about your vehicles.
__________________
Bob

2005 Safari 25-B
"Le Petit Chateau Argent"
[ Small Silver Castle ]
2000 Navigator / 2014 F-150 Eco-Boost / Equal-i-zer / P-3
YAMAHA 2400 / AIR #12144
ROBERTSUNRUS is offline   Reply With Quote
Old 06-18-2011, 04:57 AM   #24
CLOUDSPLITTER "Tahawas"
 
ROBERT CROSS's Avatar

 
2003 25' Classic
Zanadude Nebula , WNY
Join Date: Jun 2007
Posts: 11,153
Images: 1
Thumbs down Axles

Quote:
Originally Posted by Top View Post
Bob,
The axles don't carry the tongue weight. You said the tongue weight was 1,175 so the two #3,500 lb axles are more than adequate for the remaining 6,125 lbs.
Yeah right....Str,3640 Dr axle,4680 Trlr axle,7640 Loaded for camping.

That's all I have to say...
__________________
PFC.....

“After all these years the reason I continue to love Thanksgiving.....I still sit at the kids table.”
RLC

Sandra wanted to go to Cleveland on vacation,
but I’m the Husband, so we went to Cleveland.
RLC
ROBERT CROSS is offline   Reply With Quote
Old 06-18-2011, 10:34 AM   #25
Rivet Master
Airstream Dealer
 
Inland RV Center, In's Avatar
 
Corona , California
Join Date: Feb 2002
Posts: 16,499
Images: 1
weights

Actual weight tests, using a proper rated hitch, properly installed "AND" properly adjusted, showed that one third of the tongue weight will go back to the trailer axle/axles, and two thirds goes to the tow vehicke.

Again, with everything proper, the two thirds of the tongue weight should be divided equally between the 4 tires on the tow vehicle.

Those tests we done in 1970, for Caravanner Insurance Company.

Repeated testing using different size Airstreams and tow vehicles, continued with the same basic formula, namely 1/3 of the tongue weight goes back to the trailer and two thirds of the weight goes to the tow vehicle.

Unfortuantely for some, a few dealers operate with "that's good enough" or "who really cares", when it comes to installing load equalizing hitches.
But they do try to be nice, so that if and when the trailer is rolled, the customer comes back to the same dealer and starts all over again.

Seems like being nice helps sales, and kicking proper load equalizing hitch performance to the curb, is readily acceptable, to all to many.

Andy
__________________
Inland RV Center, In is offline   Reply With Quote
Old 06-18-2011, 10:41 AM   #26
Rivet Master
Airstream Dealer
 
Inland RV Center, In's Avatar
 
Corona , California
Join Date: Feb 2002
Posts: 16,499
Images: 1
Quote:
Originally Posted by flmgrip View Post
i think i was told before that the bars are to big, but the 600 bars have a different diameter so i would need to buy an entirely new hitch setup... i was pressed into the 1000# bars

btw i don't have any chain anywhere... so not sure what you are reffering too
If your hitch bars are made by Equalizer, they do not use chains.

However, tests clearly demostrated that the equalizer bars, are at the bottom of the list for flexing with a given load, therefore they transfer much more road shock to the trailer, and are harder to adjust to correct issues such as your having with the tires.

Andy
__________________
Inland RV Center, In is offline   Reply With Quote
Old 06-18-2011, 07:14 PM   #27
3 Rivet Member
 
2009 25' SS International
Pasadena , California
Join Date: Jul 2009
Posts: 147
ok folks, all great input here...
not sure if i want to ditch my equalizer hitch yet, my tongue is somewhere between 700-900 lbs, so the 1000# bars 'should' be the right one

let's catch up on all these issues...

tire wear truck: both rear tires are worn equially more, so i certainly won't rotate them, but let's assume they are worn more because of more wheight on the tail...?

tire wear trailer: one tire is worn slightly more on the outside so maybe i'm just overreacting, that tire might break more or i drove an extended time with slighly higher tire pressure causing this... so let's forget about this for now...

WD hitch: my truck/trailer has been always driving nice but it seemed that the front tires started getting a little 'looser" over time

i havn't seen any damage to the trailer as it has been mentioned it could cause by improper setup... i loose a rivet here and there but anyone who has been driving the 5N of los angeles knows why...

i did go to the scales today... sort of loaded more or less the way i travel except the water tanks fairly empty (propane full / gas empty 10gal of 80gal capacity)

not connected....connected without WD....connected with WD (about 15months ago)

front 4360..........4120............................4280 .....................(4240)
rear 3580...........4580............................434 0.....................(4020)
trailer 6140........5400.............................5480. ....................(5280)
total 14080........ 14100..........................14100.............. ......(13540)

now the first thing comes in mind that i quadrupled my tank capacity but didn't do any adjustments elsewhere... 84gal of diesel = almost 600lbs...

now i'm not the best at this, but it seems my tongue wheighs 1000 lbs? also it seems front/rear on truck is well distributed?

don't get me wrong my rig drives and feels great, my main concern is that i have to lift my truck quite a bit to get the bars on... pics will follow if figure out how to post them here

thanks for your continued input !
__________________
flmgrip is offline   Reply With Quote
Old 06-18-2011, 07:20 PM   #28
3 Rivet Member
 
2009 25' SS International
Pasadena , California
Join Date: Jul 2009
Posts: 147
first pic shows how much i have to lift the truck/trailer to get the bars on, secon pic shows everything hooked up with WD bars engaged...
Attached Thumbnails
Click image for larger version

Name:	001.jpg
Views:	84
Size:	288.5 KB
ID:	132720   Click image for larger version

Name:	002.jpg
Views:	82
Size:	309.3 KB
ID:	132721  

__________________

__________________
flmgrip is offline   Reply With Quote
Reply


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

Advanced Search
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
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
1968 GT tires that will fit... RECOMMENDED ALUMINUMINUM Tires 5 10-31-2011 12:30 PM
Is 6 yrs old time to replace? Tim_S Tires 25 04-15-2011 06:55 PM
BoltLock: hitch reciever lock uses vehicle key Wayward Hitches, Couplers & Balls 1 03-18-2011 01:29 PM
receiver hitch, frame repair projector Argosy Motorhomes 6 02-08-2011 08:04 PM
Correct Tire Pressure on Tow Vehicle Jim Pona Tow Vehicles 4 02-01-2011 11:37 AM


Virginia Campgrounds

Reviews provided by




Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 11:16 AM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.

Airstream is a registered trademark of Airstream Inc. All rights reserved. Airstream trademark used under license to Social Knowledge LLC.