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Air Bag Retrofit 1990 Eagle 15 (Drive Axle)

This is a public forum to discuss Eagle related technical issues. If you are having a problem with your Eagle, this is the place to find help.


Decided To start a new thread for this build. All questions about the build are welcome and encouraged. 1st I'll upload some screenshots of the CAD work for the preliminaries. After that I'll upload photos of the components as they are cut. Then continue with the install, air hookups, leveling valves, etc. Thank you for watching and I hope you enjoy.
JeffreyBryanMeek
 
Posts: 35
Joined: Tue Oct 27, 2015 9:41 am
Location: Shady Point, OK


Re: Air Bag Retrofit 1990 Eagle 15
Mon Nov 02, 2015 3:18 pm


Untitled.jpg
This is the 1st stage of the mounts that attaches to the torsion tube. There will be an upper and a lower on both sides of the tube. 4 pieces total on each side of the bus.
Untitled 6.jpg
This is the right mounting sub-frame to be added to the eagle frame.
Untitled 1.jpg
This obviously the Torsion tube itself.


Untitled 3.jpg
As you are looking into the wheel well on the Driver side. This is the left portion of the factory frame structure.



Please ask any questions and comments are definitely encouraged.
Attachments
Untitled 7.jpg
As you are looking into the wheel well on the Driver side. This is the right portion of the factory frame structure. This image is reversed.
Untitled 4.jpg
As you are looking into the wheel well on the Driver side. This is the center portion of the factory frame structure.
JeffreyBryanMeek
 
Posts: 35
Joined: Tue Oct 27, 2015 9:41 am
Location: Shady Point, OK


Re: Air Bag Retrofit 1990 Eagle 15
Mon Nov 02, 2015 3:29 pm


OMG, this is going to get good!!!!

Thanks for sharing with us. Will you offer the parts for sale in the future?

Jim
Jim Shepherd
Evergreen, CO
'85 Eagle 10 with Series 60 & Eaton AutoShift 10 speed transmission - not at all fancy, but fully functional
Bus Project pages: http://beltguy.com/Bus_Project/busproject.htm
Blog: http://beltguy.com/blog/
Email: jim@eaglesinternational.net Note: Email sent to the this address requesting technical advice will not receive a response
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beltguy
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Re: Air Bag Retrofit 1990 Eagle 15
Tue Nov 03, 2015 8:21 am


Yes, it will be our intention to offer the parts for sale in a "kit" form. Due to the huge liabilities we would leave the final welding and install to the end user however, the the end "kit" product will be a very easy project for the DIY guy. Pricing will be extremely competitive and this will be The strongest mounting system available. I also have a model 5 available to here so that I can design a kit for them also. Thank you for your interest.

BTW... We cut some of the finished parts last night. I will post photos later in the day.
JeffreyBryanMeek
 
Posts: 35
Joined: Tue Oct 27, 2015 9:41 am
Location: Shady Point, OK


Re: Air Bag Retrofit 1990 Eagle 15
Tue Nov 03, 2015 2:44 pm


Untitled 9.jpg
The wheel well structure in CAD.
JeffreyBryanMeek
 
Posts: 35
Joined: Tue Oct 27, 2015 9:41 am
Location: Shady Point, OK


Re: Air Bag Retrofit 1990 Eagle 15
Sun Nov 08, 2015 1:53 pm


Untitled 10.jpg
Final (maybe) drawing. I hope everyone approves.
JeffreyBryanMeek
 
Posts: 35
Joined: Tue Oct 27, 2015 9:41 am
Location: Shady Point, OK


Re: Air Bag Retrofit 1990 Eagle 15
Sun Nov 08, 2015 9:48 pm


I thought about doing this to my model 10 years ago for air leveling while parked but the owner at Southern Oregon Diesel talked me out of it. Said I'd be disappointed. I'm not discouraging you, but when I was preparing to do this, Norris at Jefferson Truck sent me the shop drawings from the maintenance manual of a model 15 that had air bags installed over torsalastic springs. It had everything I needed to fabricate the steel to do this. Norris has since retired, but maybe if you call Ed at Jefferson, he could fax you the same drawings. It would keep you from reinventing the wheel and should be very helpful to you.

These also might be helpful:

http://boxcarokie.com/2010/05/01/air-bag-project-2007/ Sonnie past away not long ago, so he is no longer with us.

http://pipesusmc.tripod.com/Kaykay.htm

David
davida
 
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Re: Air Bag Retrofit 1990 Eagle 15
Sun Nov 08, 2015 10:14 pm


I have just finished an air bag system on our drive axle. I used a pair of double bellows 5000# bags on each side. Just did a test drive yesterday and we both like it. In the AM we are starting our fall migration toward Tucson. time will tell how it shakes out. Our 01 was down to about 2" of room to the bump stop and the driveway entrances were bad to scrape up to 46" om the wheel well that seems to not happen. and RR tracks were really smooth
LeRoy
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Liberty
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Re: Air Bag Retrofit 1990 Eagle 15
Tue Nov 10, 2015 8:00 am


Davida, I haven't seen the wheel yet... Our shop does this sort of fabrication daily. I kinda feel as though we are invention the wheel not reinventing it. :D
JeffreyBryanMeek
 
Posts: 35
Joined: Tue Oct 27, 2015 9:41 am
Location: Shady Point, OK


Re: Air Bag Retrofit 1990 Eagle 15
Tue Nov 10, 2015 8:01 am


LeRoy, Congrats on your new install. I hope it rides outstanding on your trip. Good luck.
JeffreyBryanMeek
 
Posts: 35
Joined: Tue Oct 27, 2015 9:41 am
Location: Shady Point, OK


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