Reply
 
Thread Tools Search this Thread Display Modes
 
Old 07-10-2015, 12:07 AM   #1
Rivet Master
 
Currently Looking...
Mission , Texas
Join Date: Jun 2015
Posts: 836
What Size/Type?

My 1975 Overlander currently has 7.00X15 (27.88" diameter) tires on it. Looking at the wheel wells, maybe the tires have made contact where the wheel well and belly skin meet because there is an enormous amount of unspecified caulk attempting to glue them together.

What size replacement tires?
225/75X15 are 28.1" diameter
205/75X15 are 27.1" diameter
etc.

Then the ever controversial trailer tire vs truck tire vs radial - and why?

Last, how do the surfaces of the wheel well and belly skin really connect? A glob of caulk seems unlikely.

Thanks beforehand!
__________________

__________________
nrgtrakr is offline   Reply With Quote
Old 07-10-2015, 08:46 AM   #2
CapriRacer
 
CapriRacer's Avatar
 
I'm in the , US
Join Date: Sep 2012
Posts: 631
A 7.00R15LT is 29.6" in diameter, 8.0" wide on a 5.50" rim, has a load carrying capacity of 1710# at 50 psi (Load Range C)

An ST205/75R15 is 27.1 in diameter, 8.0" wide on a 5.5" rim, and has a load carrying capacity of 1820# at 50 psi (Load Range C).

There look like only 2 issues: The diameter, and the fact that the ST is speed restricted to 65 mph.
__________________

__________________
CapriRacer is offline   Reply With Quote
Old 07-10-2015, 09:31 AM   #3
Rivet Master
 
Currently Looking...
Mission , Texas
Join Date: Jun 2015
Posts: 836
Thanks!

65 mph isn't an issue ... I'm in no hurry, many people have no idea what happens to fuel mileage as speed increases, and the 1999 TV is more geared for that speed.

Maybe rephrase the question after reading several comments about the difficulty of cramming tires back under the rig.

Where the wheel well and belly skin meet on my 75 Overlander, it looks like the PO has attempted to hold these two together with a ridiculous amount of caulk and they really aren't together, it is not weather tight.

Is this normal? If not, how is it supposed to be? Because it looks like both the skin and the well have been worn from tire rub.

I'm thinking smaller diameter tires are in order in spite of any differences in ground clearance.
__________________
nrgtrakr is offline   Reply With Quote
Old 07-10-2015, 10:25 AM   #4
2 Rivet Member
 
helmsman's Avatar
 
1967 22' Safari
Long Beach , California
Join Date: Nov 2004
Posts: 86
Hello nrgtrakr:

I doubt a PO was successful in attempting to hold the wheel well and skin together with caulk.

My guess is he was attempting to keep dust and dirt kicked up by the tires from entering the trailer. That was my reason for using a little Tempro caulk in that location. -- Don
__________________
helmsman is offline   Reply With Quote
Old 07-10-2015, 12:27 PM   #5
Rivet Master
 
Tom Nugler's Avatar

 
1972 25' Tradewind
Currently Looking...
McHenry County , Illinois
Join Date: Jul 2003
Posts: 1,131
Images: 5
Quote:
Originally Posted by nrgtrakr View Post
...... how do the surfaces of the wheel well and belly skin really connect? A glob of caulk seems unlikely.
Hereís a diagram from my í72 manual. Should be the same for your trailer. Fig. 4 is original, 3 is showing repairing damaged well.

From the outside in itís;
Trim strip, skin, outer wheel well and reinforcing strip all secured with pop rivets. The outer well is sandwiched between the frame and floor.
As fig. 3 indicates the recommended repair was to cut the damaged wheel well out and install the new one with screws and caulk.

Hope this helps,
Tom.
Attached Thumbnails
Click image for larger version

Name:	wheel well.png
Views:	52
Size:	45.2 KB
ID:	242604  
__________________
AirForums # 2806
WBCCI / VAC # 6411
TAC IL-11

Not All Who Wander Are Lost.

Avid supporter of trailing edge technology.
Tom Nugler is offline   Reply With Quote
Old 07-10-2015, 04:18 PM   #6
Rivet Master
 
Currently Looking...
Mission , Texas
Join Date: Jun 2015
Posts: 836
Thanks Tom! Perfect!

The front and rear edges of my wells, to include the belly skin at the same location, are just flopping - no rivets holding anything and again a gob of silicon in what looks like an attempt to glue things in place.

Trying to understand how it became damaged is when I noticed that perhaps the tires are too big for the space as the wells show signs of tire contact.

Working maintenance in hospitals, there were a lot of nice guys with tools, but very few actually trained in maintenance, so some unusual repairs at times.

You said manual ... as in service manual? I have the owners manual, a pretty document but not very useful.

Thanks again!
__________________
nrgtrakr is offline   Reply With Quote
Old 07-10-2015, 11:11 PM   #7
Rivet Master
 
Currently Looking...
Mission , Texas
Join Date: Jun 2015
Posts: 836
Don, I'll keep that in mind when I pull the wheels to repack bearings, service brakes, replace the who knows how old tires, and perform surgery on the wheel well belly pan connection. The wheel wells inside have been duct taped at the wall joint likely for the same reason.
__________________

__________________
nrgtrakr 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
Type 3 Glass Bar in a Type 2 Hinge rasmuw Windows & Screens 0 12-09-2013 11:18 PM
What type of screws (and what size) can I use in walls Maggiefoss Upholstery, Blinds, Walls & Interior Finishes 3 09-02-2011 06:28 AM
Portawalls..what size/type tire? rlindberg Tires 1 05-10-2009 10:46 PM
What Type of Restoration is Your Type? ankornuta General Repair Forum 16 11-21-2005 05:13 PM
Tow bar receiver type or ball type? Astrodokk Airstream Motorhome Forums 2 06-09-2004 08:20 PM


Virginia Campgrounds

Reviews provided by




Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 05:46 AM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2018, Jelsoft Enterprises Ltd.

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