Tuesday, February 18, 2020

Roasting an Alpine

Alphie goes belly-up for rusticle surgery

Page Nine:  Alphie on a Spit!


I got to thinking - a dangerous thing, I admit - but to transplant the Organ Donor's nose onto Alphie, I'll need get the body panel gaps even...

  • To get the body panel gaps even, I'll need to mount and secure the doors.
  • To mount and secure the doors, I'll need to replace the inner rocker panels to rigiditify (my new word) Alphie’s bod.  
  • To replace the inner rocker panels, I'll need easy access to Alphie’s tummy.·
  • To get to Alphie’s tummy, I'll need her on a rotisserie.
  • To get Alphie on the rotisserie, I'll have to cut and modify two Harbor Freight engine stands
  • To mount Alphie to the HF engine stand rotisserie, I'll have to replace the frame rail tips where the front bumper mounts... one thing leads to another!


Therefore, I conclude, that I shouldn’t cut-off any Sunbeam noses just yet!

Oh, I built a rotisserie!  BUT, as with everything concerning Alphie, spinning her on a spit turned out to be more difficult than I thought.

Problem #1 – I Need a Coupla Inches:  The engine stands are too short.  In order to rotate the body 90 degrees, the engine stands need to be taller than half the width of the car.  After much measuring, I need them to be at least 34 inches from the stand’s mounting plate to its bottom rail.
The engine stand upright (cut) with the 2X4 rectangular stock
that get it to 34" (or close enough)

A friend who manufactures laser cutting machines, gave me a length of 2X4 rectangular mild steel tube stock that fits over the post of the engine stand, meaning the post will fit inside the rectangular stock.  First, I had to cut the engine stand post in half.  Next, I inserted the engine stand upright inside the rectangular stock and laid it out on the bench.  I expanded the post/rectangular stock until the bottom edge of the mounting plate receiver was 35.5 inches from the top of the bottom of the post where the perpendicular beam meets the post. 

Thirty-five and a half inches turned out to be the magic number that will allow Alphie to rotate 90 degrees without banging into the legs of the stands.  I can work and weld her rusty underbelly without having to muck about on the floor. 

Fun fact, welding upside down SUCKS!
Close up shows the angle adjustment screws 

I have never worked on a restoration without having to scooch under and out-from-under a car thousands of times.  I’m looking forward to NOT doing that!

Problem #2: - I Need a Few Degrees:  Engine stands tilt the engine mounting plate back slightly; I assume to keep it from sliding off the stand.  The receiver on the top of the post where the mounting plate attaches is not at a right angle to the post.  When you press engine stands into service as a car rotisserie, the mounting plate must be perpendicular to the car’s center line.  

In other words, I need to tilt the receiver and mounting plate down a couple of degrees to level them.
Not bad.  We call that Bonehead Level

My solution is to mount the upper section of the post (the section with the mounting plate receiver) up against the inside of the rectangular stock so that it is locked in-line with the rectangular stock.  (See the pictures; it will help you follow this discussion immensely!)  I placed the lower post section in the middle of the rectangular stock to give me some movement where I can adjust the angle of the mounting plate.

I drilled holes and welded three nuts on the sides of the rectangular plate so that I can adjust the angle of the mounting plates.  The bottom two cap screws give me some fine-tuning and lock the angle.  (I added the cap screw just below the mounting plate receiver for adjustment to eliminate some movement.  I only want movement that I plan for.)  Again, check out the pics.

Problem #3 – I Need a Wider Stance:  The width between the engine stand’s wheels is too narrow.  I don’t want Alphie pitching over when I rotate her on the rotisserie. 
Extra stance and racing tires

Sub-Problem:  I also need to be able to roll the whole kit and caboodle around the garage, so I need some decent wheels.  The little metal casters that come with the stand just don’t pass muster.  I bought some 6” pneumatic casters from our patron saint, Harbor Freight.
I mounted the engine stand post to a 5-foot section of 4X4 and mounted the pneumatic casters to the 4X4.  Plenty of stance with plenty of wheel for rolling about!

Problem #4 – I Need a Connection:  I watched a few Engine Stand to Rotisserie Conversion videos, and I noticed a situation.  In the one video, a guy using the same HF engine stands I’m using had each stand holding up its end of the car independently of the other stand.  It looked to me that if he tried to roll the car on the rotisserie  – or move the car on any axis, for that matter - the engine stands would separate from each other and drop the car, mashing the car and any hapless soul who happened to be near it at the time. 

I need to connect the engine stands, front to back, so that the whole contraption moves as one piece.  Enter another a length of 2X6 - I had a twelve foot one taking up WAY too much room in my shed.  Instead of mounting the supplied rotating caster on the front leg of the engine stand, I mounted the front legs of each stand to a 2X6 to set a fixed distance from each other.  I mounted a fifth pneumatic caster in the middle of the 2X6 to prevent the whole thing from sagging in the middle.

Problem #5 – I Need Better Mounts:  Alphie has had surgery before…  It seems that someone in the Alphie’s past welded nuts on the end of her front frame rails where the front bumper mounts.  The angry studs that protrude like British dentistry from the frame tips threaten to tetanize (it’s a word, I Googled it) anyone walking past.  The studs are scary, rusted, stripped, and they’re too short.
Ahhh! 

I mounted the stand’s mounting plate to a 2X6, which I then fitted to Alphie using the shiny new bumper attachment points.  For all this mounting to happen, I added longer bolts (actually, they are pieces of ½” all thread) than the studs currently poking out of Alphie’s smile.

Sub-Problem – Shiny New Frame Rail Tips:  The frame tips where the front bumper mounts are “perished;” I need new ones!  (See the blog post, FIRST FABRICATION, about making new ones.) 

I love the smell of mig welding in the morning!

Problem #6 – Trimming the Fat:  Alphie needs to be at her lightest when she twirls.  I stripped everything down to her shell – nothing on the firewall, interior or underbelly.  I removed all manner of parts tossed in her boot and interior, all of which went to my secret storage hidey-hole.  Nothing is piled under the car… yet, more of a challenge that it sounds.
Going Up!

Problem #7 – Hoisting Her:  Once stripped to her knickers, I hoisted her high enough for receivers to meet mounting plates.  

My engine cherry picker handled her front end and my chain hoist mounted on a substantial I-beam that my house builder so thoughtfully included in my garage.  He added it to keep the attic above the garage, you know, actually above the garage.  I use it to lift various kinds of heavy kit off the floor, including Alphie, smashing!

All Mounted Up!

She’s finally spitted on her rotisserie!

At first, I thought I had her too high.  I feared that she would hit the garage door when I spun her.  I thought of several ways to drop a couple of inches – each idea required a good deal of re-engineering and a bit fiddly.  Then I thought, may as well give it a whirl (snort!:)

This angle shows how the rotisserie works
I took out the pins that keep the mounting plates from spinning inside their receivers, and she sat peacefully on her center line.  Then I nudged the handle on the front mounting plate just a smidge and Alphie rolled belly-up all on her own.  Seems she’s a bit top-heavy, not exactly balanced.  

I could slow her roll so she’s somewhat balanced but she is too heavy for to stop her from rolling, much less rotate her back the other way. 

If she had been less balanced, the let’s-give-it-a-whirl” idea could have been much scarier.  It’s better to be lucky, especially if you’re not that good.

Note:  Use the I-beam chain hoist to manage the roll in the future.  Cars are heavy, turns out.





Next up:  Serious Surgery!


Now I can get to work!  I couldn't fix all this laying on the ground!
Oh, I have a grinder, two in fact!  There is good metal in there.

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