My printer is 8 inches cubed, roughly. I'd need to print each slice in
three pieces. If you can use angle iron or something to lock them
together, that might work, but printed parts by themselves won't have much
strength over the length of the tank.
On Thursday, April 2, 2020 at 2:26:46 AM UTC-4, tan...@gmail.com wrote:
>
> There is a guy 3D printing a 1/6th scale Hetzer in the R/C forums. He is
> doing it slices that fit on his printer.
>
> On Wed, Apr 1, 2020 at 5:55 PM Loren >
> wrote:
>
>> A lot of what you're looking at is available in better forms for decent
>> cost, as Doug says. The big parts that give the trouble are the body of
>> the tank itself, which really needs to be printed in sections(if in
>> sections at all) much larger than the 8 inches most FDM printers provide.
>> Larger printers are available, but by the time one buys one, gets it going
>> well, and prints out a tank, you are one or two premade tanks' worth of
>> money in the hole. Might as well just buy an FOA or other tank as a kit or
>> ready to go, especially since very few people will be building the numbers
>> to really justify such.
>>
>> I've waffled a few times between printing tanks, and using
>> vacuum/pressure forming as is the current plan if I ever get to setting up
>> production. It means less tooling, but big prints like that are tricky.
>>
>> On Monday, March 23, 2020 at 12:54:27 PM UTC-4, ~D wrote:
>>>
>>> The most likely reason for this hobby becoming so sparse is not lack
>>> of interest,but availability and expertise. Implementation of simple
>>> pre-designed Lego like parts that are easily printed and assembled into a
>>> variety of vehicle designs may bring this amazing hobby back into the
>>> light. Cost reduction and simplification of assembly should be priorities
>>> to this end. The use of Fused Deposition Manufacturing [FDM] integrating
>>> ready available sub-assemblies to create drive units and actuators is
>>> becoming more readily available. These larger sub-assemblies have highly
>>> reduced cost,as well as near infinite compatibility with existing models.
>>> Drive units,suspension modules, turret slewing and elevation systems as
>>> well as brackets,ammunition feed systems and exterior cosmetics can all be
>>> printed using this hybrid technique. Below you can find a summery of my
>>> ongoing preliminary investigation into the use of such hybrid manufacturing
>>> for my own future model of an STRV 103 series,with the intent of increasing
>>> performance and decreasing both complexity and cost through the use of such
>>> hybrid sub-assemblies as well as 3rd party research and improvements in
>>> this and other hobbies in regards to design,construction,drive systems and
>>> accuracy improvements in CO2 and HPA markers. Feedback on first hand
>>> experience is welcome.
>>>
>>>
>>>- weather resistance of PLA -
>>>https://www.youtube.com/watch?v=qqNfa_zExRU
>>>- use of First Strike ammunition in conjunction with rifled barrel -
>>>https://www.youtube.com/watch?v=Ky2gRvlXyts
>>>- in field dispersion testing of First Strike ammunition -
>>>https://www.youtube.com/watch?v=h5hj5ch65jY
>>>- use of Caliburn piston HPA system to increase fps consistency over
>>>long duration engagements -
>>>https://www.youtube.com/watch?v=CJawWukCiLc
>>>- high torque resilience of non carbon enhanced FDM planetary
>>>reduction gearboxes - https://www.youtube.com/watch?v=b6cDOyxub8w
>>>- example of proper integration of off the shelf parts into FDM
>>>design - https://www.youtube.com/watch?v=ARC0Y1lBliA
>>>- use of ODrive FDM brushless servo controller -
>>>https://www.youtube.com/watch?v=p4ltHDpxrbI
>>>- example of FDM suspension scheme identical to RIPSAW M5 -
>>>https://www.youtube.com/watch?v=-Hre_XfxGAc
>>>- testing of ODrive torque -
>>>https://www.youtube.com/watch?v=bKqYYjGzpCY
>>>- Maker Muscle in conjunction with ODrive (example of high precision
>>>and torque elevation actuators) -
>>>https://www.youtube.com/watch?v=H-bgA7qBXzs
>>>- use of planetary gearbox in conjunction with ODrive brushless
>>>servo - https://www.youtube.com/watch?v=O0yX0r1Kpeg
>>>- ODrive in conjunction to FDM Cycloidal gearbox -
>>>https://www.youtube.com/watch?v=tST3XyFaBoc
>>>- OpenTorque Actuator in conjunction with higher torque brushless
>>>motor - https://www.youtube.com/watch?v=Hd54ik_45Wo
>>>- ODrive powered tracked vehicle under load -
>>>https://www.youtube.com/watch?v=qEw5_thTD6o
>>>- use of ODrive in larger scale RC -
>>>https://www.youtube.com/watch?v=Z10OV4fm4Nw
>>>- further torque testing of ODrive -
>>>https://www.youtube.com/watch?v=EhJa8kdkzRY
>>>- FDM brushless motor - https://www.youtube.com/watch?v=NFvMC3l3fGY
>>>
>>> ~D
>>>
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