Slowly, Work Continues, and Ducklings Update 3


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Portion of Rear Axle Tunnel to be Removed

Portion of Rear Axle Tunnel to be Removed

Section of Rear Wheel Housing to be Replaced

Section of Rear Wheel Housing to be Replaced

It’s been tough the last month to find time for the MC850, just too much work needed on the farm, and the older I get, the slower I go. The rear wheel housings need repair in the area of the shock absorber reinforcements so I decided to remove the rest of the back side of the axle tunnel to get better access. I’ll replace it with the uncut one from the donor which will give me the benefit of eliminating one seam weld. So, some more spot weld drilling. I decided to replace the whole spring support and shock support area because the donor car was like new in that area. You can see what I cut out in this photo, but to read a whole lot more detail, and to see how the ducklings are doing, please continue reading.

Most of Axle Tunnel Metal Removed

Most of Axle Tunnel Metal Removed

Tack Welds Ground Flush

Tack Welds Ground Flush

By the way, cobalt spot weld drill bits aren’t the way to go, except for very hard steels. The bit’s pilots are too brittle and break within 6 uses. Good HSS spot weld bits are best for this old Saab’s mild steel. Since I was planning on trashing what I cut out, instead of cutting the tack welds, I just cut the metal to within an inch of the welds with my angle grinder and a 1 mm cutting disk, Then, I nibbled the remnants and ground the welds down to a smooth surface.

Inside Axle Tunnel - Left

Inside Axle Tunnel – Left

Inside Axle Tunnel - Right

Inside Axle Tunnel – Right

A bonus from removing this part of the axle tunnel is that I can inspect and clean inside the tunnel. Fortunately, it’s solid and needs only cleaning, and some painting for rust prevention.

Donor Wheel Housing Section

Donor Wheel Housing Section

I showed the prtion of the left-side wheel housing I removed above. It was easiest to cut from inside the trunk, but easy to see where the cut line should be from outside. So, I drilled 1/8″ holes from the outside to mark points. Then, on the inside, I connected the dots with a marking pen, and cut along the lines with my angle grinder and 1 mm disc. On the donor, I did the same, except I cut about 1/2″ larger where I will have to make seam welds. The photo is the section I cut from the donor car, and you can see how good it is.

Rustproofing Donor Spring Support Section

Rustproofing Donor Spring Support Section

While the donor section was out and could be manipulated, I decided it was a good time to do some rust-proofing that would otherwise be difficult. I taped up the bottom openings of the spring support, and poured a large quantity of primer into the spring support. I taped the remaining openings and shook and rotated the section to make sure it was all coated. I removed the tape and let excess primer drain. I also sprayed primer into the edges of the shock support and spring support and allowed it to run under wherever possible.

Ducklings Update

New Duckling Enclosure by Pond

New Duckling Enclosure by Pond

Ramp for Ducklings When Released

Ramp for Ducklings When Released

Back to the 11 ducklings I rescued on May 9. All 11 and mother are doing well. After about 2-1/2 weeks, the chicken coop was too messy and hot, so I built an enclosure, complete with with electric fencing, by our 50×80 foot pond and transferred them there — more work. That took some planning, and the mother was not cooperative, and very tough to catch and hang onto, but we got it done. They now had fresh air and could get adjusted to outdoor life.

Ducklings 1st day in Pond at 3-1/2 weeks.

Ducklings 1st day in Pond at 3-1/2 weeks.

Ducklings 3rd Day in Pond

Ducklings 3rd Day in Pond

After a week in the new enclosure, the ducklings were so big I decided to let them into the pond. I had to add fencing around the pond to keep them in and predators out — more work. The first photo is on their first day in the pond, at about 3-1/2 weeks. The 2nd photo is on their 3rd day in the pond. They have grown so much since then, I expect them to fly soon. A lot of work, but a lot of satisfaction and enjoyment.
Well, this will have to do till next time, which I hope will be sooner.


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3 thoughts on “Slowly, Work Continues, and Ducklings Update

  • edgar

    the old saab is coming along nicely — i never would have the the patience or the inclination to go as far as you — it makes me feel really good to se the old saab getting a new lease on life – i loved that car —
    nice job with the ducks — your a man after my own heart
    edgar

  • Bruce Harbison

    Thank you as well for posting all your work and attention to detail (including the ducks). Your painstaking labor and methods are an inspiration to me as I prepare to deal with a rather rusty V-4 Monte Carlo.

    Bruce in Colorado