Scratch build Tiger 2 Part 1

This board contains easy-to-do fixes on your new tanks from stock. This will hopefully help beginners to get the accuracy they want from their models.

Postby jhamm » Wed Dec 12, 2018 8:32 am

Amazing - very good Workmanship!
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Postby walter » Tue May 14, 2019 12:27 pm

Modifications I made to the lower tank.
Finally with all the various gear box projects coming to an end I tried to install the final version into my Tiger2.
To my dismay I had to completely take the lower tank apart.
Nice experience,but very time consuming.
To install and remove the gear boxes with ease I had to reduce the width of each gear box by 6mm.
The geared motors I used were sold on the internet as 30:1.
The installed gear boxes produced outstanding crawling capabilities,but max. speed was to slow.
Trying different motors did not work either,so I started experimenting with the gear boxes itself.
By removing one gear,the gear box became faster,yet still had good crawling ability.
There were other modifications that needed to be done as well.
When I first started the tank project,I wanted a fully working tank model that could betaken fully apart in all its individual parts
just like a meccano set.
Accuracy of scale at that time was not a big issue. As time went on I became more aware of scale accuracy and found the wheel
axles were in the wrong place,also the suspension arms were to short.
As it was it still worked fine,but knowing they were not to scale some what took the icing of the cake'.
So I made new sides of the tank and new suspension arms.
I also anodized all the aluminium parts.
Here are some pictures of it.

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Postby walter » Tue May 14, 2019 12:33 pm

New suspension arms.
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Postby walter » Tue May 14, 2019 12:37 pm

New and old arm.I added two O rings to the new arms.
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Postby walter » Tue May 14, 2019 12:40 pm

Another view.
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Postby walter » Tue May 14, 2019 12:42 pm

New front left side look.
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Postby walter » Tue May 14, 2019 12:44 pm

Left side.
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Postby walter » Tue May 14, 2019 12:47 pm

Right side.
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Postby walter » Tue May 14, 2019 12:49 pm

Right back.
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Postby walter » Tue May 14, 2019 12:51 pm

New suspension arms fitted.
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Postby walter » Tue May 14, 2019 12:53 pm

In this view the new axles distances are clearly seen.
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Postby walter » Tue May 14, 2019 12:55 pm

Another view.
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Postby Eastern Front » Tue May 14, 2019 5:13 pm

Walter,

This is truly a really awesome and ambitious build! Working with Plastic is so easy but what you are doing is on another level entirely!

Where did you get your gear boxes? what size motors are you running?

Cheers!
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Postby walter » Wed May 15, 2019 12:26 pm

Hi Eastern Front,
the geared motors of various ratios are available on the internet.
They come with motors that are to slow and need to be replaced. The motors I used in that version of gear box I believe are
380 or 385 . The came out of standard gear boxes and I did not notice any lack of power.
Walter

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