unimogjohn

Avanti R2, 1963, refresh

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Thanks all for the birthday greetings.  Wow, another year has flown by.  Been working on three riding mowers, getting them ready for mowing, which is coming like gangbusters.

 

And we have another Overland report from Greg.  And pictures too.

 

OK,  more Overland engine progress!   

         
These cars have an unusual valve tappet arrangement,  simple but not.   The camshaft lobes kick the tappets that in turn bump the valve stems to pop the valve open.       The tappets slide up and down in babbitt bushings.   Seems easy peasy.     The bad news is that  although it is easy to make square key stock tappets,  there's the matter of a guide with a square hole in it.    And getting a good fit of one in the other.  A good fit is  a good idea in the attempt to control oil loss.   Since the tappet operate in thin air (open tappets),   any oil loss runs down the case and  down the street.  They amount to eight little oil pumps.  After a good hard run it was always better to park the car in front of the neighbor's house until it quit drooling.
 
Another problem with the guides is that they were solid cast babbitt and in the one photo you'll see that the bottom flanges got brittle and broke,   another  tappet had seized in the guide and the whole  deal was jumping up and down,  guide and all.      In order to prevent this for the next hundred years,  I machined brass housings with flanges  in which to pour the babbitt as a reinforcement. 
 
Other photos show Nathan  installing the guides and aligning the tappets.  With them clamped in place,  he drilled and tapped  the guides for the retaining screws.
     
Long time coming,  that much is done.    Now to address the worn buttons on the tappet adjustment screws (original blueprints  forthcoming from the Overland  club,  a wonderful resource!).
   
With this much accomplished we then moved on to the camshaft.   The shaft itself had been sent out for a fresh regrind and the bearings were in good shape except for stripped threads in the center one.    Heli -coil thread inserts repaired that,  and next will be the fitting and installation of all that.     I also have the original print coming for the bearing retention screws.     Taken apart over thirty years ago, some  parts and recollections have been misplaced.  As we say,  the trail grows cold.
 
I'm enjoying the time spent on the rehabilitation and really like the interest Nate's showing in the project and his Dad.
 
Hope this finds all doing well.
 
GREG.

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April 30th, Monday.  Alice took "Dexter" to the "Britain on the Green", all British car show at Gunston Hall, Lorton, Virginia.  Remember that Dexter is the 1966 Morris Minor Traveller.  There were 24 cars in her class, and she received a third place against some really nice cars.  She was happy, and so was her mechanic.

 

Here are some of the 209 cars attending.

 

 

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Roger, on the good side it was not raining.  On the bad it was cold and windy.  Of course in packing we forgot our heavy coats.  That made for an uncomfortable few hours.

 

The yellow Allard won "Best in Show". 

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 Congrats to Alice on the trophy. Looks like a nice field of lovely British cars!

 Keith

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It is Wednesday,  May 2nd.  A red letter day for sure.  One way or another I was going to get the axle out of the big Kubota tractor.  Finally, it is out.  Now I am going to take it to Dan as he is an experienced tractor mechanic and has the right tools.  What a job.

 

 

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It is May 6th.  Took the Kubota rear axle assembly to Daniel.  He is going to press out the bearings and install the new axle seal.  I just do not have the experience to do that.  Should get it back early this coming week.

 

We are going to make the first long trip in the Tesla on Wednesday.  About 1,500 miles round trip.  Going to be my first fast charging experience is using the Tesla Supercharger sites located along our route.  So far I have only charged at home as our longest trip has been about 200 miles.  The cars trip computer is telling me that we will have to stop four times to reach our destination.  The charting times range from 15 minutes to about an hour per stop.  The longest will be our lunch stop.  

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congratulation on the morris and getting the axle out of the tractor.

We just returned from the vcca happy days tour too mayberry NC driving the corvair , had a great time and covered 1999.9 miles round trip.

Al

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Al, congratulations on completing the tour.  That is a long tour even for a Corvair.  

 

Well, I guess we are farmers at heart, always trying to save a buck or two.  To that end Camaro Steve needs a new 500 gallon propane tank.  Everyone around here wanted about $2,500 delivered.  So he scouted around and found a new tank in Lancaster, PA.  Road trip and we spent the day going up and back.  So for $1,200 he got his new tank.

 

 

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And you know the story, "the donkeys ate my .........."  Here is what they did to my shop stool that I left outside for fifteen minutes.  Never again.

 

 

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  • Haha 1

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Heading off with the electric car tomorrow morning.  About 600 miles to get to Huntsville, Al.  Have the Tesla at 100% charge.  Says it can travel 283 miles before charging again.  Going to be fun, but I must admit that I have just a little range anxiety.  

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Have fun, I predict that "range anxiety" will become a well used phrase as electric cars multiply....safe travels!!

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Keep your foot steady and dont use the "insane" or "ludicrous" modes and you will be just fine. 

But if you want to do 0 - 60 in under 3 seconds, prepare for shorter trips.

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On 5/9/2018 at 11:42 AM, trimacar said:

Have fun, I predict that "range anxiety" will become a well used phrase as electric cars multiply....safe travels!!

I think that as electric cars become the norm, there will be charging stations everywhere so range anxiety will be pretty similar to what it is now with fossil fuels. The extra consideration will be the time for charging stops. But range will increase too as technology improves.

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"The extra consideration will be the time for charging stops."

 

I can just see it now.  Every corner coffee shop will have a charging station and a sign  "4 cups of coffee gets you a free charge and a donut"

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Well we made it to our destination on Wednesday, 740 miles in one day.  We were pooped.  Took us 15 hours.  No problems with getting the the Tesla Supercharger stations.  Only the time spent charging is a bit frustrating as it takes what seems to be a long time.  Fifteen minutes to a long one hour at one stop.  At least all stations are close to the freeways and the nav system took us right to them.  No hunting.

 

We are now in Athens, GA and are heading home tomorrow.   We have to find our own charge station today and fill up the batteries in order to make the first supercharger station tomorrow.  Seems we are in the middle of nowhere as far as Tesla is concerned.  There are about 20 pay as you go stations locally so we are not worried.  I only hope they are fast, under two  hours.  648 miles to home tomorrow.

 

The car itself is really stable and quick.  I had to take the steering off of europe/sport to american/comfort as it was a bit to darty at 70 mph.    The charging stations seem to have one or two cars charging when we pull in  so they are being used.

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6 hours ago, unimogjohn said:

 No problems with getting the the Tesla Supercharger stations.  Only the time spent charging is a bit frustrating as it takes what seems to be a long time.  Fifteen minutes to a long one hour at one stop.  At least all stations are close to the freeways and the nav system took us right to them.  No hunting.

 

How far was it between the stations and what caused the difference between 15 minutes and one hour?

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Al,  the distance between Supercharger station varies, some are close together, about 80 to 120 miles, on the major interstate roads.  If you are moving from one interstate to the other, then they can be up to 200 miles, which is at your max range of around 250 miles.  And at the absolute worst they can just be nowhere to be found.  The car tells you how much charge to get a each station to reach your destination.   However, it wants to get you there at the quickest travel time, hence you may be left with little power in your batteries when you arrive at your final destination.  We spent 20 minutes to one hour at a Supercharger station.  We tried to pick our lunch stop for an hour charge.  It was a gamble in that you did not know what would be at the charge station for food, etc.  Some were at hotels, malls and gas stations.  Usually there was an eatery close by.  If we had a smart phone then there are apps to give you that information while on the road.  I am afraid we are still stuck in the "flip phone" era.

 

We arrived home last night, a twelve hour drive.  Our total miles for the trip was 1,632.  Glad to be home.

 

We only had one minor difficulty and that was my fault.  We were moving from Huntsville, Al to Athens, GA.  The car had a full charge so we could make it without stopping at a Supercharger in Atlanta.  Big mistake, we arrived in Athens with only 70 miles of range left.  Too little to make it to any Supercharger to start our way home a couple of days later.  So we found a commercial station.  The big problem is that they only charge at 20 miles per hour versus around 280 miles per hour for a Supercharger.  We had to hang out for several hours getting 80 miles of more range to leave in the morning and reach the first Supercharger.  Boy, the time waiting was a bummer.  I promised myself never to skip a Supercharger when on a trip, especially at the final leg or where I could not charge the car overnight at the hotel.  See pic of the charging at over 250 miles per hour.

 

But it was a great trip.  Now I get to pick up the Kubota tractor axle assembly with its new seal and begin the re-installation process.

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Edited by unimogjohn (see edit history)

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John, I have a question. My apologies if it has been answered.   How does enough charge for 250 miles compare to enough gasoline for same distance, cost wise?

 

  Ben

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Ben, here is a brief analysis from an article I read.  

 

No More Stopping For Gas

First, the biggest savings: no more expensive gas. With 100 miles using 34kWh (about 100 MPG) and electricity costing an average of $0.12/kWh, the yearly cost to drive a Tesla Model S 85D 15,000 miles is $612. Compare that to Toyota Camry’s 30 MPG and an average cost of gas of $2.40 per gallon. At 15,000 miles per year, the Camry will cost $1,200 – almost double what the Tesla Model S 85D costs. What’s more, the Model S 85D will likely cost less than $1,000 for a long time whereas oil prices change daily and could return to $4+ at any time.

 

Another benefit of plugging in instead of fueling up is the peace of mind that comes from knowing each morning that the vehicle is ready to go. No more planning to stop at the gas station, no more standing in the cold or smelling gasoline fumes – just plug in at night, unplug in the morning and the battery is full. (



Read more: The Economics Of Owning A Tesla Car (TSLA, TM) | Investopedia https://www.investopedia.com/articles/active-trading/041515/economics-owning-tesla-car.asp#ixzz5FWNKqrMG 
Follow us: Investopedia on Facebook

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I picked up the Kubota rear axle assembly with its new axle seal.  Daniel said that the bearing was really hard to pull off, you can tell by the end of the axle shaft that it was a struggle.  But now it all looks great.  Daniel warped the snap ring getting it off so I headed to the Kubota dealer to pick up a new one.  It is an odd shape and size so I figure that factor is better than aftermarket.  I got a new one and a squeeze bottle of special Kubota sealer.  When I got home I found my snap ring pliers, made a couple of adjustments and slipped the ring on.  Perfect.  Over the next couple of days i will begin to put it all back together.  Hopefully, it will not take as long as taking it all apart.  

 

 

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Edited by unimogjohn (see edit history)

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It is Thursday, May 17th.  Started work on the tractor at 8 AM.  Cleaning the mating surfaces, put on the goo, and put it on.  Surprise, it slid right in..  Then I started the assembly. The subframe for the backhoe was really heavy, I had to lift it with my knees to line up the bolt holes.  Got finished at 6 PM.  I am pooped.  Time for a stiff drink.  Tomorrow I have to refill with Kubota hydraulic oil and attempt to put on the tire.  I cannot even budge the tire, I have to use the other tractor to lift it upright so I can get it to the big kubota.  Getting it one the tractor hub will certainly be an ordeal.  The tire probably weighs in the range of 300 lbs.  

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Good job putting the tractor back together , can  you use your two post lift to position the  wheel?

Al 

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Al, I plan to lift up the wheel with the loader on the little Kubota tractor.  Then I am going to put it on a wheel dolly that I have, and then move the rolling dolly to the tractor.  I can move the tractor up and down with a jack to level it with the wheel and hopefully just push on the wheel to the hub.

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An engine crane might work too and not fill the shed up with fumes?

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