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What kind of Car Scale setup do You Have?
Posted by: OttawaCorvairGuy ()
Date: January 07, 2021 07:46AM

What kind of Car Scale setup do You Have?

I want to buy one with a set of 4 and I'm looking for feed back about different brands and models.

Thank you,
Tony



Edited 1 time(s). Last edit at 01/07/2021 07:50AM by OttawaCorvairGuy.

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Re: What kind of Car Scale setup do You Have?
Posted by: RobertC ()
Date: January 07, 2021 11:27PM

OK, I'll bite: What is a car scale?

And, why would the average Corvair owner have one?

I could not be bothered to look up Car Scale in Google.



Edited 1 time(s). Last edit at 01/07/2021 11:31PM by RobertC.

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Re: What kind of Car Scale setup do You Have?
Posted by: toms73novass ()
Date: January 08, 2021 02:38AM

I would assume scales for each tire for weight balancing for racing.

-Tom


63' Monza Spyder Convertable (in process) MY Build Thread
65' Monza MY Build Thread
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Re: What kind of Car Scale setup do You Have?
Posted by: Lane66m ()
Date: January 08, 2021 03:46AM

Probably something like this at Speedway.

Intercomp 170124 Sw500 E-Z Weigh Deluxe Scale SystemUniversal Fit, Pad Mount Scale Type, 1,500 lbs Scale Load Capacity, Aluminum, LCD Readout

Al
Georgia

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Re: What kind of Car Scale setup do You Have?
Posted by: isucorvair ()
Date: January 08, 2021 05:18AM

I want to say the ones I have used in the past are Longacre brand.

I don't own any....I seem to just use ones others already own.

I've only ever scaled my Autocross car though.


Eric P.
DeWItt, IA

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Re: What kind of Car Scale setup do You Have?
Posted by: azdave ()
Date: January 08, 2021 06:26AM

RobertC Wrote:
-------------------------------------------------------
> OK, I'll bite: What is a car scale?
>
> And, why would the average Corvair owner have one?

Average Corvair would not have a set. Corner balancing is usually reserved for more serious racing folks but can be used for learning the overall weight and balance of your vehicle too of course.


Often referred to as “corner weighting” or “scaling,” corner balancing is the adjustment of spring perches on the car to obtain a balanced diagonal weight on the tires using four individual scales. A common analogy for corner balancing is a basic four-legged table. In order to distribute weight evenly, all four legs have to be the same length, but if one leg is shorter than the rest, the whole table becomes unbalanced and wobbly. A car’s wheels function in very much the same way.

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
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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: What kind of Car Scale setup do You Have?
Posted by: OttawaCorvairGuy ()
Date: January 08, 2021 06:52AM

azdave Wrote:
-------------------------------------------------------
> RobertC Wrote:
> -------------------------------------------------------
> > OK, I'll bite: What is a car scale?
> >
> > And, why would the average Corvair owner have one?
>
> Average Corvair would not have a set. Corner balancing is usually reserved for more serious racing folks but can be used for learning the overall weight and balance of your vehicle too of course.
>
>
> Often referred to as “corner weighting” or “scaling,” corner balancing is the adjustment of spring perches on the car to obtain a balanced diagonal weight on the tires using four individual scales. A common analogy for corner balancing is a basic four-legged table. In order to distribute weight evenly, all four legs have to be the same length, but if one leg is shorter than the rest, the whole table becomes unbalanced and wobbly. A car’s wheels function in very much the same way.


What Dave said.

I knew the percentage of racers to average Corvair guys (as you put it) would be small here.
But you know, they too own average Corvairs and some Corvair guys build other car projects too. Grin

Anyways, I need a set to help balance out the EV and to know what spring rating to get with the coil over shocks.

I ask now, so I can keep an eye out for a good sale between now and when I will need them.

Just like I did with my Gantry Crane that I ended up getting at half price sale.
I've also been trying Twice now to do the same with a Truck Bed Crane lift, that I'll need this summer and I've missed out on getting one, two times now, with their sale offers. Grin

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Re: What kind of Car Scale setup do You Have?
Posted by: joelsplace ()
Date: January 08, 2021 08:40AM

I want to get some scales at some point.

Joel
Northlake, TX
5 Ultravans, 114 Corvairs and counting...

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Re: What kind of Car Scale setup do You Have?
Posted by: solo2r ()
Date: January 09, 2021 08:58AM

I have a set of Ruggles Scales from the late 80's!

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Re: What kind of Car Scale setup do You Have?
Posted by: vairsUPnorth ()
Date: January 09, 2021 11:04AM

Hello Tony,

Do you have any friends in the OPP or RCMP? The commercial vehicle enforcement division would have portable scales for weighing trucks. For a small fee [donuts] my local sand/gravel/concrete pit will weigh vehicles an axle at a time. Of course, there are also scales at many truck stops.

Dale

Dale Dewald
Hancock, MI


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Re: What kind of Car Scale setup do You Have?
Posted by: VairKing ()
Date: January 09, 2021 12:07PM

Scales are pretty expensive. I would love to have them but too hard to justify the cost. I have a 400 lb scale so I weigh most components to decide where they will go.

I wonder if one of these could be used with a floor jack to check each corner? Or maybe build a platform around it so you could drive one corner on at a time?

_________________________________________
Ryan Counterman (Moderator)
1965 Corsa Kelmark V8 400 HP ///1965 Monza Sedan 110/PG /// Ultimate Corvair Hauler/// Don Eichstaedt's 1965 Corsa Racecar
West Michigan Corvair Club /// 1966 Corsa GTP Convertible Mid Engine 3.8L Supercharged project stalled

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Re: What kind of Car Scale setup do You Have?
Posted by: MattNall ()
Date: January 09, 2021 01:21PM

VairKing Wrote:
-------------------------------------------------------
> Scales are pretty expensive.

=========================================

Just build what Mark has... probably 3 to 1 ratio?

MODERATOR
Sea Mountain, between Charleston Harbor and Coos Bay! SW Oregon Coast
Click HERE for My Website...Click HERE for My TechPages!
..............................110-PG.................................................Webered-Turbo

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Re: What kind of Car Scale setup do You Have?
Posted by: VairKing ()
Date: January 09, 2021 02:21PM

MattNall Wrote:
-----------------------------------------------------
>
> Just build what Mark has... probably 3 to 1 ratio?


I have considered it, lots of ideas on the web mostly from airplane guys. I never got around to more than a little research. The biggest problem with that is the bathroom scales are not very accurate from one to another (what can you expect for $20 ea or so)

I would like to have the scale I pictured above for checking trailer tongue weight, so I might buy one soon. Would be easy to adapt to drive on I think. Even if the number isn’t 100% accurate, I think you are looking for the ratios from front to back and left to right so it wouldn’t matter.

_________________________________________
Ryan Counterman (Moderator)
1965 Corsa Kelmark V8 400 HP ///1965 Monza Sedan 110/PG /// Ultimate Corvair Hauler/// Don Eichstaedt's 1965 Corsa Racecar
West Michigan Corvair Club /// 1966 Corsa GTP Convertible Mid Engine 3.8L Supercharged project stalled

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Re: What kind of Car Scale setup do You Have?
Posted by: solo2r ()
Date: January 09, 2021 11:22PM

If You are after absolute accuracy then get the digital scales and have ramps to drive up on them.

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Re: What kind of Car Scale setup do You Have?
Posted by: RobertC ()
Date: January 10, 2021 12:12AM

It's late, but curiosity has got the better of me.

For the users of car scales:

What do you do with the information?

Do you have custom coil springs (spring rate / ride height) made?

Along with matching the custom valved shock absorbers?

I know that GM had different LM spring rate coil springs for standard, HD, air conditioning, convertible...

And, I realize that there are a lot of mathematics, formulas, equations involved with suspension dynamics / suspension performance.

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Re: What kind of Car Scale setup do You Have?
Posted by: MattNall ()
Date: January 10, 2021 07:58AM

Robert!! You are thinking about dealing with a Rocket, when we are just flying a Kite!!

Designing is complex! "Adjusting" as an "end user" is simple! And usually reversable.

On our Vairs the RF is usually light [ weight]. I use simple homemade rubber "spring boosters", since over the counter units are too large for our front coil, but fit our rears.

I use a cheap HF contactless infared temp sensor to read tread temps. No matter what wheel / tire combo, I adjust air pressure to even the temps across the tire. I'll also adjust the camber of the wheel if needed to even the temps.

As far as shocks; Cheap units differ dramatically. So you buy and try!

At $20 a pair vs $200 each, you have lots of $$$ "room"

MODERATOR
Sea Mountain, between Charleston Harbor and Coos Bay! SW Oregon Coast
Click HERE for My Website...Click HERE for My TechPages!
..............................110-PG.................................................Webered-Turbo




Edited 1 time(s). Last edit at 01/10/2021 08:24AM by MattNall.

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Re: What kind of Car Scale setup do You Have?
Posted by: MattNall ()
Date: January 10, 2021 08:18AM

RobertC Wrote:
------------------------------------------------------
>
> I could not be bothered to look up Car Scale in Google.

-------------------------------------------

The term is "wheel corner weight scale"

MODERATOR
Sea Mountain, between Charleston Harbor and Coos Bay! SW Oregon Coast
Click HERE for My Website...Click HERE for My TechPages!
..............................110-PG.................................................Webered-Turbo

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Re: What kind of Car Scale setup do You Have?
Posted by: Melb-Mike ()
Date: January 10, 2021 12:44PM

I bought the Longacre scales a while back on eBay for around $800. I’ve been very happy with them. I used them to set corner weights on my Corvette and Lotus. I don’t think they’re much use with Corvairs since very little adjustments are possible unless you have coilovers.

64 Greenbrier
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Re: What kind of Car Scale setup do You Have?
Posted by: OttawaCorvairGuy ()
Date: January 10, 2021 04:15PM

Melb-Mike Wrote:
-------------------------------------------------------
> I bought the Longacre scales a while back on eBay for around $800. I’ve been very happy with them. I used them to set corner weights on my Corvette and Lotus. I don’t think they’re much use with Corvairs since very little adjustments are possible unless you have coilovers.


Mike,

Thank you for your input about the Longacre scales.

1. I plan to have adjustable coilovers on all four with C5 rear suspension and disc brakes.

2. I want to be able to dial in the ride height and handling based the battery distribution throughout the EV. My engineer friend thinks it is a good idea as we won't know exactly where all the weight might end up until the build is finished.

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