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Posted 9/14/2017 7:28:53 PM
Has NO LIFE!!

Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!


Last Login: 12/4/2023 11:08:55 PM
Posts: 3,232, Visits: 5,166
Here is an interesting resource for Batmobile information.

BATMAN WIKI

They claim to have 6,465 pages of information.

http://batman.wikia.com/wiki/Batmobile

The attached image gives me thoughts about how someone using the key
elements from the 1941 Batmobile could build an ultra-modernized
version with today’s lines and curve. By choosing the right donor
vehicle one could build a jaw dropping show stopper of this vehicle.
vertigo


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Post #159437
Posted 9/15/2017 2:23:18 PM
Has NO LIFE!!

Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!


Last Login: 12/4/2023 11:08:55 PM
Posts: 3,232, Visits: 5,166
Placed a copy of this post here for anyone that may be able to benefit from it planning to and/or physically building a Bat Vehicle.
sly
"I had given up on the idea of milling foam parts from huge blocks of foam because it was too cost prohibitive. But after spidey4fun's post about a guy that was milling car parts from regular foam insulation I started rethinking that idea. Smaller blocks of foam could be milled separately and then assembled together! It doesn't have to be milled out of one huge block with a giant machine.
However, even small CNC machines are expensive. But there are some nice kits out there. I'm seriously considering this one. https://www.buildyourcnc.com/item/cnc-machine-blacktoe-v4-2x4."

Looked at the kit. Very nice for 4,000.oo Have you searched for used machines? Like, Torchmate, Routermate, etc. When I was researching them out I found 2 x 2 and 2 x 4 used Torchmate complete with computer on EBay for 5 and 7,000.00. Biggest problem with all these, and the kits too, is Z axis cutting depth. It usually falls just short of 6 inches. Once I get started on the physical building of my DOJ Batmobile I have plans to convert my 4 x 4 Torchmate by elevating it 2 feet above the bottom cabinet and switching out the automatic Z axis depth height control for a deep cutting Z axis some where in the range of 18-24 inches. Complete CNC foam cutting router tables are also sold online with a deep Z axis already installed. vertigo

Post #159443
Posted 9/15/2017 7:38:23 PM
Has NO LIFE!!

Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!


Last Login: 12/4/2023 11:08:55 PM
Posts: 3,232, Visits: 5,166
Placed a copy of this post here for anyone that may be able to benefit from it planning to and/or physically building a Bat Vehicle.
Used an angle grinder to grind dual shock mount sides to shape, then welded them to a 3/8" thick, 2" wide flat bar. Cleaned up welds with the angle grinder and welded the finished dual shock mount to the U-bar. vertigo


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PICT0008 (23).JPG (1 view, 218.53 KB)
Post #159450
Posted 9/17/2017 6:34:06 PM
Has NO LIFE!!

Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!


Last Login: 12/4/2023 11:08:55 PM
Posts: 3,232, Visits: 5,166
Proxy Shocks,

Built this pair of proxy shocks to stand in for the real shocks until
my Tumbler is mostly finished. Otherwise, given the non-predictability
of the finished vehicle weight, it would be impossible to get the rear
coil over shocks right.

Cut the two main lengths from a piece of old oil field drill stem I
had laying around and the four end disks from scrap 3/8” steel plate.
After rough welding these to the ends of the main lengths I welded on
some eye bolts. Then I painted them since I will be looking at them
for quite some time while I complete the vehicle.

I have placed a copy of this post here because the concept of using
proxy shocks to stand in for the actual shocks is applicable to any
Bat Vehicle build that uses shocks and this information may be useful
to someone planning to or actually building a Bat Vehicle.


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Post #159462
Posted 9/18/2017 5:53:50 PM
Has NO LIFE!!

Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!


Last Login: 12/4/2023 11:08:55 PM
Posts: 3,232, Visits: 5,166
I placed a copy of this post here because it might be of some benefit
to someone planning, starting, or currently building a Bat Vehicle.

Bat Vehicle Mechanical Problem Solving
The connections between theory and reality
Part One

Those who decide to build a Bat Vehicle will probably face a few major
problem solving challenges such as construction of the Tumblers front
arms and dually rear tires, but mostly a multitude of small problems
will present and have to be overcome.

The solutions to these problems will be found by using Mechanical
Reasoning, a combination of mental simulation and rule-based
approaches.

For mechanical reasoning, the representational material and the
referent is fundamentally spatial due to the science of motion. Motion
is a spatial property. Mechanical reasoning is determined by visual
spatial information such as relational connectivity, shape, and
location of objects.

Mechanical reasoning is often complemented by the conscious occurrence
of an evolving internal mental image set (simulation) of the physical
and relational circumstances.

“In the rule-based approach a sentential or propositional explanatory
representation is a set of facts or universal rules about the
representational material and referent (Hegarty, 2004).”

“While it is commonly accompanied by imagery, mechanical reasoning is
not a process of examining a general visual image in the ‘mind’s eye’.
Instead, mental simulations are structured fragments that include
depictions of non-visible properties and can be utilized in
concurrence with non-imagery practices, such as rule-based reasoning.
(Goldstein, 2011, p. 288).”

Post #159478
Posted 9/18/2017 5:55:08 PM
Has NO LIFE!!

Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!


Last Login: 12/4/2023 11:08:55 PM
Posts: 3,232, Visits: 5,166

I placed a copy of this post here because it might be of some benefit
to someone planning, starting, or currently building a Bat Vehicle.

Bat Vehicle Mechanical Problem Solving
Immersive Mechanical Problem Solving
A branch in the field of Immersive Learning

Part Two
Immersive Mechanical Problem Solving:

Once the Mechanical Problem can be described in a statement of the
problem, the individual or team of individuals attempting to solve the
problem is/are placed in a room with all the physical elements related
to the problem.

I used a similar method to solve the problems related to my design and
execution of constructing my Tumbler’s front arms and rear suspension.
When I started, I made an agreement with myself that I would spend an
hour a day building on my Tumbler and that if I wasn’t building
(Builder’s Block) that I would sit for that hour in the presence of my
Tumbler. This has worked well for me to solve my mechanical and
construction problems. When I sit in the presence of my incomplete
Tumbler build and the surrounding tools, parts, steel, and other
materials, I always find something inspiring in these that drive me
forward. I keep a little sign near my Tumbler that reads, “JUST DO
SOMETHING”   My motivation for building the Tumbler has never
faltered.  vertigo
Post #159479
Posted 9/20/2017 6:56:35 PM
Has NO LIFE!!

Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!


Last Login: 12/4/2023 11:08:55 PM
Posts: 3,232, Visits: 5,166
I placed a copy of this post here for the benefit of anyone that might
be able to use this information in planning and/or building a Bat
Vehicle.

I received an email the other day stating, “I can’t weld and I have
never worked with metal. I have worked in the past a little with wood
in junior high shop class. How could I ever be able to build a
Tumbler?”  This is a good question that opens the door to the building
concept of TRANSLATION.

TRANSLATION

The conversion from one form or medium into another. The process of
moving, something from one place to another. In this case we are
talking about the movement of information.

If one builds a Bat Vehicle in wood they have stored a vast amount of
spatial and conceptual information in the wood parts. The wood parts
will contain the summaries of evolutionary eclectic mechanical problem
solving, relational connectivity, multi-dimensional shape boundaries,
and other representational information. (parts with three dimensional
measurements and their relationships with other three dimensional
parts.)

TRANSLATION occurs when we convert or copy the information held in the
wood parts to some other media such as metal, fiberglass, or other
material.

So, someone that builds a Bat Vehicle in wood, but who, has no skills
in metal or fiberglass can hire others that do, to do their
translations into metal or fiberglass.  vertigo
Post #159490
Posted 9/26/2017 6:34:28 PM
Has NO LIFE!!

Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!


Last Login: 12/4/2023 11:08:55 PM
Posts: 3,232, Visits: 5,166
I place a copy of this post here for the potential benefit to anyone
planning to and/or actually building a Bat Vehicle.

Building Positional Welding Jigs to Improve Your Bat Vehicle Fabrications

When building without a jig, one relies on a tape measure, clamps,
eyeballs, levels, and shims; great results can be achieved this way,
but it requires skill and patience. With a jig, the parts in a
fabrication are held rigidly in the correct location. If everything is
cut to the right size, assembly simply becomes a game of putting
everything in the jig and welding it together. The benefits for any
fabrication in volume should be obvious.

But, even in one-off Bat Vehicle fabrications, positional welding jigs
can provide advantages that more than make up for the time spent
building them.

Most all positional welding jigs are used hold two or more parts in a
combined rigid position for welding.

Positional welding Jigs are not particularly difficult to construct
and vary from very simple (a few minutes to build) to very complex
(many hours to build).

Jigs aren't necessarily the solution to every Bat Vehicle fabrication
problem, but they are an under-appreciated approach that should be a
mainstay in the tool kit of more DIY builders.

A master welder when welding is rarely found holding anything but his
electrode holder (arc) or wire feed gun in one hand (mig) while
steading it with the other hand! If it isn’t clamped or jigged up he
usually does not weld it. I try to do my welding by these words.

(Note: My Tumbler front arms, axles, and brackets were positioned and
welded with several jigs to a relational accuracy of around 0.010.
Without using positional holding jigs and tactical welding techniques
I could never have obtained such accuracy.)


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JIG.jpg (0 views, 108.66 KB)
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Post #159509
Posted 9/27/2017 7:08:26 PM
Has NO LIFE!!

Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!


Last Login: 12/4/2023 11:08:55 PM
Posts: 3,232, Visits: 5,166
I place a copy of this post here for the potential benefit to anyone
planning to and/or actually building a Bat Vehicle.

Building Burn out Proxy Positional Welding Jigs to Improve Your Bat
Vehicle Fabrications also known as the Skin and Burn method.

I am currently thinking about using it in my DOJ Batmobile build.

Here is how the Proxy Positional Welding Jig / SKIN and BURN would
work on the DOJ body.

Build the body and other pieces in wood, cardboard, or foam.

Wood proxy positional welding jig method

Cut steel pieces, fit to wood body, and secure with adhesive. Repeat
procedure until all translated metal pieces are attached.

Then use a MIG welder with a dwell timer set to 1/4 to 1/2 second on
high heat to tact weld the panels in place.

The wood is then burned out slowly or cut away inside in pieces. I
probably would cut away the wood so I could weld inside as I cut away
the wood pieces.

Foam proxy positional welding jig method

Cut steel pieces, fit to foam body, and secure with adhesive. Repeat
procedure until all translated metal pieces are attached. Then use a
MIG welder with a dwell timer set to 1/4 to 1/2 second on high heat.
Tactical welding techniques must be used to avoid distortion effects.
The foam is then dissolved with solvent, but could be burned out
slowly or cut away inside in pieces. I probably would use solvent.

I figure if I modified my 4’ x 4’ CNC plasma table by replacing the
arc height control with a deep Z axis I could mill the DOJ from 3’ x
3’ x 18” blocks from cheap grade foam. Then coat it with a sealer and
several coats of reinforced high-temperature furnace cement to
increase the thermo-resistance to the high heat ¼ to ½ second dwell
timed MIG welding.

Estimated cost: 2000.oo for foam, sealer, furnace cement, and milling
bits. Does not include price of steel panels. vertigo


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JIG-4.jpg (0 views, 87.11 KB)
Post #159527
Posted 9/28/2017 7:23:34 PM
Has NO LIFE!!

Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!Has NO LIFE!!


Last Login: 12/4/2023 11:08:55 PM
Posts: 3,232, Visits: 5,166
I place a copy of this post here for the potential benefit to anyone
planning to and/or actually building a Bat Vehicle.

MaineBat

“whats the plan for measuring the unsprung weight for the coilover
spring rates? I ended up having to redo my coilover springs due to a
lil miscalculation but no big deal, a couple new springs on and good
to go.”

Hey MaineBat,

Glad to have your participation on the forum.

What was the vehicle and what was your “lil miscalculation”?

In a ground vehicle with a suspension, the unsprung mass (unsprung
weight) is the weight of the suspension, wheels, tires, axle(s),
springs, shock absorbers, suspension links, a portion of the
driveshaft weight, and other components directly connected to them,
rather than supported by the suspension.

The sprung mass (sprung weight) is the body and other components
supported by the suspension.

I have a log book that I recorded the weights of the unsprung elements
in as I have progressed on my Tumbler build.

When I am close to finishing my Tumbler I will either take the vehicle
to a weigh station or rent a set of vehicle scales.

Total Tumbler Weight – unsprung weight = total sprung weight.

I can use my log book of component weights to determine the actual
unsprung weight at each wheel and front/rear totals.

I was told that there are also hydraulic proxy shocks with scales and
pressure gauges that can be used to determine compression travel and
spring rates. (I have not researched these yet but will when I am
close to ready for shocks/springs, etc.) May be easier and cheaper to
just take my Tumbler to a professional chassis shop and have them
install the coil springs and shocks since they will have the measuring
tools to determine the correct components.

Here is some instructions from a chassis shop:

How to determine spring rate

Determining Travel:

It is recommended that there be approximately 3" of compression travel
available (including the bumpstop). This means the chassis must be
supported by a spring rate that will allow the chassis to be supported
3" upward from the bottoming position

Determining the Vehicle Sprung Weight:

Establish front and rear weight of the vehicle. Establish unsprung
weight. This is the weight not supported by the springs. i.e., tires,
wheels, wheelie bars, brakes, and 1/2 of the weight of the shock,
spring, driveline, and ladder bar or four link. 1/2 the weight is used
for some components because their weights are equally shared between
sprung and unsprung weight. Determine spring weight, that is the
weight of the vehicle less the unsprung weight.

Determining Spring Rate:

Divide the rear sprung weight by 2 to determine the load for each rear
corner. Divide the front sprung weight by 2 to determine the load for
each front corner. If the load for the rear corners is 330 lbs.
each(660 lbs./2 = 330 lbs.) then divide the 330 lbs. by the
compression travel needed and you arrive at the base spring rate of
110 lbs. per inch. Ex: 330 lbs./3" compression travel = 110 lbs.
spring rate.
Post #159538
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