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Anyone know details on GM AGL-4?
Posted by: ebeowulf17 ()
Date: August 19, 2021 11:02PM

Hi everybody, this is my first post here. I've recently gotten very interested in Corvairs, thanks in large part to Matt's Off Road Recovery and their conversion of a Corvair Lakewood into a serious off-road vehicle. I feel like an imposter here, since I don't even work on cars (much less Corvairs) much in real life, but I've had a lot of fun modelling them as part of my scale remote control car hobby. If you're interested in seeing what I mean by that, you can see a thread describing the build process here: [www.scalebuildersguild.com]

For my new project, I really want to make an RC version of the AGL-4 with its articulated frame steering. I know it's not a Corvair, but since it shares an awful lot of skin with a Corvair Rampside (or maybe Loadside would be better comparison) and I believe it also used the Corvair engine, I thought it was worth discussing here.

I've watched the old AGL-4 film numerous times, and I've gotten some very basic stats from it:
- 15' overall length
- 44" tires
- 30" loading height to bed
- 9' long bed with 54^2 ft of usable area
- 20 degrees of available roll between cab and bed
- 35 degrees of steering angle between cab and bed
- 38' turning circle

Beyond what's in the film, does anyone know anything more about the AGL-4 in terms of dimensions or mechanical details (stuff that would help me build a more scale-accurate model)?
- wheelbase?
- wheel diameter?
- are the windshield and grill stock? (looks like it to me)
- does it use leaf springs or some other suspension type?
- how did they avoid having severe torque twist? (with the front and back able to rotate relative to one another, you'd expect engine torque to translate pretty directly into lifting one corner of the vehicle. Maybe this could be mitigated by unusually high gear reductions at the differential?)

Anyway, I realize this is a lot to ask, especially in a first post, but really any information beyond what's covered in the video would be appreciated. I think this is such a cool vehicle, and I really want to make the best version of it I can. Thanks in advance for any help!

**********************************************************************
Sadly, I don't own any full size Corvairs, but I'm fascinated by them.
1:20.88 scale Corvair Lakewood (inspired by Matt's Off Road Recovery)
[www.scalebuildersguild.com]
Plans to build several models of Corvair Rampside variations soon.



Edited 1 time(s). Last edit at 08/19/2021 11:02PM by ebeowulf17.

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Re: Anyone know details on GM AGL-4?
Posted by: Phil Dally ()
Date: August 20, 2021 05:22AM

WELCOME!!! Where are you located?

We dig anything that is a Corvair or Corvair powered.

I know nothing about this rig but somebody here will.


[gmauthority.com]

[youtu.be]




I Own Too Many Corvairs
On the Central CA Coast

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Re: Anyone know details on GM AGL-4?
Posted by: azdave ()
Date: August 20, 2021 05:24AM

Wish I knew more about the AGL-4 to help you out. Sounds like a cool project.


You did a great job with the R/C Lakewood. Matt is member "62corvairjunky" here.

Dave W. / Gilbert Arizona
65 Corsa 140/4
66 Corsa 140/4
66 Corsa 140/4 w/factory A/C
66 Corsa 455 Toro V8
65 Monza Convertible 110/4
66 Monza Convertible 140/4 A/C
65 Monza 4DR 140/PG w/factory A/C
65 Monza 4DR EJ20T/5



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Re: Anyone know details on GM AGL-4?
Posted by: American Mel ()
Date: August 20, 2021 09:55AM

ebeowulf17 - "..... I know it's not a Corvair, ....."

Now thems be fighten' wurds right thar! angry smiley
If you believe that statement for even one minute, you are more than welcome to leave right now. grinning smiley
While it may have been a one-off prototype, it was definitely 100% Corvair DNA. thumbs up
Even though it IS "one of ours", I am not sure that much is really known about it outside of GM.
.
By the way,
WELCOME TO CCF ! ! !
.
.

-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
WA. state, 1 mile south of the Canadian border, I am not at the end of the world, but you can see it from here.

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Re: Anyone know details on GM AGL-4?
Posted by: jjohnsonjo ()
Date: August 20, 2021 10:32AM

[corvaircenter.com]


It was discussed several years ago here, not much more info though

J.O.

65 Corsa Turbo Vert
79 Honda XL 500S
69 Honda CL 160 D
2010 BMW F 650 GS
2003 Bounder 36D
2013 KIA Optima SX turbo-AKA ZIPPY (wife,s car)
69 Newport Holiday Sailboat
Baja 150 dune buggy cart
Coleman HS 500 UTV
2016 KIA Sorento SXL Turbo

Bethlehem,Pa


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Re: Anyone know details on GM AGL-4?
Posted by: ebeowulf17 ()
Date: August 22, 2021 10:29PM

Thanks to all for the warm welcome!

Phil, I live near Tacoma, WA. Haven't spotted too many Corvairs in this area, unfortunately.

Azdave, thanks for the kind words on the RC Lakewood project. Also, I should've known that Matt would be a member on this forum. He's clearly a huge fan of all things Corvair-related, and this seems to be the best place on the internet to discuss them or find info on them (I've tried googling a million different questions related to Corvairs, and a majority of the search results all point back to this forum!)

American Mel, I'm glad to see you defending the AGL-4's honor - I think it's an awesome rig, and of course you're right that it's undeniably Corvair DNA.

jjohnsonjo, in my searches, I did find several different discussion threads here about the AGL-4, but none of them seem to have information beyond what's in the video.

It sort of looks like this vehicle was TOTALLY forgotten until that film was converted to video and shared online, at which point a bunch of different websites all wrote about it at the same time... but as far as I can tell, no-one seems to know anything other than what the film says.

I'm still hoping I'll be able to find someone who knows a little more, but it's not super critical - I'll make a model of it regardless, just based on educated-guesses if I have to!

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Re: Anyone know details on GM AGL-4?
Posted by: Phil Dally ()
Date: August 23, 2021 05:20AM

There are numerous Corsa chapters in the Pacific Northwest area.

[www.corvair.org]

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Re: Anyone know details on GM AGL-4?
Posted by: Phil Dally ()
Date: August 23, 2021 05:28AM

Plus two PNW events in the near future.

[corvaircenter.com]

[corvaircenter.com]

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Re: Anyone know details on GM AGL-4?
Posted by: ebeowulf17 ()
Date: September 11, 2021 03:49PM

Phil,
thanks for the heads-up on local events. My wife and I went to the Corvair/air-cooled show in Issaquah and it was really cool!

This was the first time I've seen a Lakewood or Greenbriar up-close and personal; it was really cool getting to see them both since one was my last modelling project and the other is the basis for my future project plans.

I also really enjoyed seeing the Ultra-Van. I didn't even know such a thing existed until we saw it there, and it's incredibly weird and cool (like so much of Corvair history.)

Anyway, I'm just rambling now, but I wanted to say thanks, because that was a really cool experience and I wouldn't have known about it if not for this forum and your comments!

**********************************************************************
Sadly, I don't own any full size Corvairs, but I'm fascinated by them.
1:20.88 scale Corvair Lakewood (inspired by Matt's Off Road Recovery)
[www.scalebuildersguild.com]
Plans to build several models of Corvair Rampside variations soon.

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Re: Anyone know details on GM AGL-4?
Posted by: ebeowulf17 ()
Date: September 11, 2021 03:50PM

A few more pics to show the Ultra-Van...

**********************************************************************
Sadly, I don't own any full size Corvairs, but I'm fascinated by them.
1:20.88 scale Corvair Lakewood (inspired by Matt's Off Road Recovery)
[www.scalebuildersguild.com]
Plans to build several models of Corvair Rampside variations soon.

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Re: Anyone know details on GM AGL-4?
Posted by: Phil Dally ()
Date: September 11, 2021 05:03PM

Glad to be of service...enjoy!!!

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