Re: Ranger Bearings

Frank · Post by **Frank** » Mon Sep 24, 2012 10:01 am

'Please could a Ranger expert say what alloy the cam shaft housing and cover are made from - I am in a debate as to whether they are aluminum or magnesium alloy. Personally I'm gunning for aluminum - and there is no bet on this one !!

Thanks

Frank Cox
UC61K G-BCBL'

Michael Denest · Post by **Michael Denest** » Mon Sep 24, 2012 10:22 am

'Magnesium. When aluminum corrodes, it turns into a white powder. When magnesium corrodes, it turns black.

Mike Denest

"He's crazy Lew, he builds toy airplanes".
- Capt. Frank Towns
Flight of the Phoenix

________________________________
From: Frank
To: fairchildclub@yahoogroups.com
Sent: Monday, September 24, 2012 12:01 PM
Subject: [fairchildclub] What alloy - Ranger Cam shaft housing?

Please could a Ranger expert say what alloy the cam shaft housing and cover are made from - I am in a debate as to whether they are aluminum or magnesium alloy. Personally I'm gunning for aluminum - and there is no bet on this one !!

Thanks

Frank Cox
UC61K G-BCBL

[Non-text portions of this message have been removed]'

Tom_Downey · Post by **Tom_Downey** » Mon Sep 24, 2012 1:38 pm

'Not true Mike, Mag produces a white powder when it corrodes, it turns black when it is treated with Magnadyne, for corrosion prevention.

How to tell the difference between MAG and ALU.

Sand a clean spot on the casting, ( very small spot) touch the clean spot with Alodine. if it turns black quickly it is MAG, if it produces and coffee looking stain it is aluminum. as described in the directions for use a " Golden hue "

Alodine is 6% chromic acid and water solution, with a neutral PH factor.
Magnadyne is a 2% chromic acid and

--- In fairchildclub@yahoogroups.com, Michael Denest wrote:
>
> Magnesium.Â When aluminum corrodes, it turns into a white powder.Â When magnesium corrodes, it turns black.
>
>
> Â
> Mike Denest

'

ptcurt@gmail.com · Post by **ptcurt@gmail.com** » Mon Sep 24, 2012 2:14 pm

'Also, I thought that much like the intake manifolds and accessory cases there were a small number of cam housings made from aluminum?

Sent via BlackBerry by AT&T

-----Original Message-----

From: "Tom_Downey"

Sender: fairchildclub@yahoogroups.com

Date: Mon, 24 Sep 2012 19:38:43

To:

Reply-To: fairchildclub@yahoogroups.com

Subject: [fairchildclub] Re: What alloy - Ranger Cam shaft housing?

Not true Mike, Mag produces a white powder when it corrodes, it turns black when it is treated with Magnadyne, for corrosion prevention.

How to tell the difference between MAG and ALU.

Sand a clean spot on the casting, ( very small spot) touch the clean spot with Alodine. if it turns black quickly it is MAG, if it produces and coffee looking stain it is aluminum. as described in the directions for use a " Golden hue "

Alodine is 6% chromic acid and water solution, with a neutral PH factor.

Magnadyne is a 2% chromic acid and

--- In fairchildclub@yahoogroups.com, Michael Denest wrote:

>

> Magnesium.?? When aluminum corrodes, it turns into a white powder.?? When magnesium corrodes, it turns black.

>

>

> ??

> Mike Denest

[Non-text portions of this message have been removed]

'

Frank · Post by **Frank** » Sat Sep 29, 2012 6:59 am

'Thanks to all - I'm just going out to the hanger to do a little test!
I'll let you know what I find.

Frank
UC61K G-BCBL

--- In fairchildclub@yahoogroups.com, ptcurt@... wrote:
>
> Also, I thought that much like the intake manifolds and accessory cases there were a small number of cam housings made from aluminum?
> Sent via BlackBerry by AT&T
>
> -----Original Message-----
> From: "Tom_Downey"
> Sender: fairchildclub@yahoogroups.com
> Date: Mon, 24 Sep 2012 19:38:43
> To:
> Reply-To: fairchildclub@yahoogroups.com
> Subject: [fairchildclub] Re: What alloy - Ranger Cam shaft housing?
>
> Not true Mike, Mag produces a white powder when it corrodes, it turns black when it is treated with Magnadyne, for corrosion prevention.
>
> How to tell the difference between MAG and ALU.
>
> Sand a clean spot on the casting, ( very small spot) touch the clean spot with Alodine. if it turns black quickly it is MAG, if it produces and coffee looking stain it is aluminum. as described in the directions for use a " Golden hue "
>
> Alodine is 6% chromic acid and water solution, with a neutral PH factor.
> Magnadyne is a 2% chromic acid and
>
> --- In fairchildclub@yahoogroups.com, Michael Denest wrote:
> >
> > Magnesium.Â When aluminum corrodes, it turns into a white powder.Â When magnesium corrodes, it turns black.
> >
> >
> > Â
> > Mike Denest
>
>
>
>
> [Non-text portions of this message have been removed]
>

'

Jack Threadgill · Post by **Jack Threadgill** » Sun Oct 21, 2012 1:48 pm

'I have an old Ranger Engine in parts. Someday I may want to rebuild it. Is
there a supply of main and rod bearings out there somewhere?

Thanks,

Jack

Jack M. Threadgill

[Non-text portions of this message have been removed]'

Jamie Treat · Post by **Jamie Treat** » Sun Oct 21, 2012 2:49 pm

'Jack,

If Fresno does not have or other member. You can have them made. Just keep
the backshells.

JST

From: fairchildclub@yahoogroups.com [mailto:fairchildclub@yahoogroups.com]
On Behalf Of Jack Threadgill
Sent: Sunday, October 21, 2012 1:49 PM
To: fairchildclub@yahoogroups.com
Subject: [fairchildclub] Ranger Bearings

I have an old Ranger Engine in parts. Someday I may want to rebuild it. Is
there a supply of main and rod bearings out there somewhere?

Thanks,

Jack

Jack M. Threadgill

[Non-text portions of this message have been removed]

[Non-text portions of this message have been removed]'

Jack Threadgill · Post by **Jack Threadgill** » Sun Oct 21, 2012 2:51 pm

'Thanks, Jamie.

Jack

Jack M. Threadgill

1602 Brook Hollow Dr

Bryan, Texas 77802

979-779-7155

threadgl@suddenlink.net

From: fairchildclub@yahoogroups.com [mailto:fairchildclub@yahoogroups.com]
On Behalf Of Jamie Treat
Sent: Sunday, October 21, 2012 3:49 PM
To: fairchildclub@yahoogroups.com
Subject: RE: [fairchildclub] Ranger Bearings

Jack,

If Fresno does not have or other member. You can have them made. Just keep
the backshells.

JST

From: fairchildclub@yahoogroups.com
[mailto:fairchildclub@yahoogroups.com
]
On Behalf Of Jack Threadgill
Sent: Sunday, October 21, 2012 1:49 PM
To: fairchildclub@yahoogroups.com
Subject: [fairchildclub] Ranger Bearings

I have an old Ranger Engine in parts. Someday I may want to rebuild it. Is
there a supply of main and rod bearings out there somewhere?

Thanks,

Jack

Jack M. Threadgill

[Non-text portions of this message have been removed]

[Non-text portions of this message have been removed]

[Non-text portions of this message have been removed]'

John Ellis · Post by **John Ellis** » Sun Oct 21, 2012 3:26 pm

'Hi Jack,

I have 6 sets on NOS mains and rod bearings.

When rebuilding Ranger Engines, I use re-poured bearings and line bore the
case to fin crankshaft.

You can contact me at: johnee35@att.net

John Ellis

----- Original Message -----
From: "Jack Threadgill"
To:
Sent: Sunday, October 21, 2012 2:49 PM
Subject: [fairchildclub] Ranger Bearings

>I have an old Ranger Engine in parts. Someday I may want to rebuild it.
>Is
> there a supply of main and rod bearings out there somewhere?
>
>
>
> Thanks,
>
>
>
> Jack
>
>
>
> Jack M. Threadgill
>
>
>
> [Non-text portions of this message have been removed]
>
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>

'