Three Tigers

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Edwin
PzKpfw IV
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Three Tigers

Příspěvek od Edwin » 20 srp 2013, 18:53

Hi,

I'm in the middle in the construction of three tigers.

The tubs I make of bonded aluminum with my own suspension and chain tensioner. The drive consists of two brushless motors, each with 450W maximum power to the inertia I use to get so very true original driving performance. The gear with a functional outdoor gear are adapted to the performance and also designed by me.

Because all three tanks in various stages of construction now I show my building report from this state, and hold him so on.




Now the first of the three tubs comes to driving.

But before that, the drive must be completed.

The countershaft are ready ready for assembly.

Obrázek

This I fill completely before screwing the lid with Grafithfett.

Obrázek

And then came the tedious but adjusting the sprockets. In the following two tigers then it goes much faster.
Here you can well recognize the space, how close they run past the right arm especially.

Obrázek

And here now the chain track.

Obrázek

And mounted with chain.

Obrázek

And of course I've also done a test drive in the garden.

Obrázek

http://www.youtube.com/watch?v=ywtFiDmn ... e=youtu.be

The suspension is still too high and is not even broken in and tuned, but the trip went without failures and lost parts
Naposledy upravil(a) Edwin dne 20 srp 2013, 18:56, celkem upraveno 2 x.
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Edwin
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Re: Three Tigers

Příspěvek od Edwin » 20 srp 2013, 18:54

Now that the drive is running the first tiger I need a little bit of variety.
So I started to disassemble the tower this Tigers and the mechanics of the chariot exchange cannon.

Obrázek

Since the elevation and the recoil will later be dealt with first servos I need a mounting platform for this. To use the weight of the servos as compensation for the gun I mount both on a aluminum bracket to attach to the gun I saw.

Obrázek

This aluminum angle I screw with the gun cradle. This keeps bombproof.

Obrázek

Obrázek

I mount the servos then next time
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zander
PzKpfw VI - Tiger
PzKpfw VI - Tiger
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Re: Three Tigers

Příspěvek od zander » 20 srp 2013, 20:10

:shock:
Again, beautiful work.
What is the price for a complete chassis with gear?

Michal
"Rytířský v boji, bdělí v míru"

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Edwin
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Re: Three Tigers

Příspěvek od Edwin » 20 srp 2013, 21:19

Hi Michal,

I'm building his very special tanks for each of my clients I have only a few prices as a guide.

The tub with suspension, chain tensioner and gear costs € 620 for a tiger.

The brushless motor with the controls costs 120 €

The flywheels on the motors 40 €

and the blasphemous, depending on the desire to continue in almost any


regards Edwin
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Edwin
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Re: Three Tigers

Příspěvek od Edwin » 22 srp 2013, 18:04

And here it goes a little further, one thing I have going on here but back then it really about ....

Nevertheless, I have done with the tower on.

First, the servos tested and placed in the center position. I'm using since only servos with metal gears. Since then, I no longer broke.

Obrázek

On the aluminum bracket I have glued a 2mm poly-edition.

Obrázek

The connecting rod between the gun barrel and the servo do I make a 1.5 mm aluminum rest.

Obrázek

And so I can stick the servo on the connecting rod bearing and mount.

Obrázek

So like I'm doing it with the servo for pipe Elivation.

Obrázek

Now you just need the button for the flash shot, but another time
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Edwin
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Re: Three Tigers

Příspěvek od Edwin » 26 srp 2013, 19:40

And here it goes again after further between times I had to do something else.

The switch, which is the cause of the excess flash I have the arm still extended by I glued a thin strip of brass.

Obrázek

And so the button is released and remains pressed in the final position of the servo. Only then the flash fires only once.

Obrázek

Obrázek

And so it now looks in the tower now.

Obrázek

Thus wer was now first again screwed and set aside.
Now I do first and the second well done.

The first step was again the gear align exactly in the trough and screw with the housings of the countershaft.

Obrázek

And when I had perfect everything .... :evil: ... I could build it all back and disassemble the transmission. In an engine is a very small metal chip had smuggled and since I risked no damage to the winding by I ignore him ...... :roll:
So the whole thing up again.

When everything was back where I was able to install the PTO to the back gears and always sure it runs smoothly.

Obrázek

Obrázek

And next time it goes with the back gears on again....
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Edwin
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Re: Three Tigers

Příspěvek od Edwin » 27 srp 2013, 17:22

Today I have to solder the large gears with the hard drive axles first.

For this I draw to the first position of the gears on the axles and imagine a Caliper firmly so that I can later adjust the exact position during soldering.

Obrázek

Between these two lines I sharpen the axes in such a way that the grooves run along the axis and thus also results in a set of teeth to the rotation direction. That's what I do with my favorite tool, a small belt sander.

Obrázek

Obrázek

So that the brazing area also connects the gears to the axles I file into the bore of multiple channels into which the solder can be spread by capillary action with a file.

Obrázek

Then brush the parts at the contact points with flux, solder and stuck together.

Obrázek

Obrázek

After quenching in water I edit the workpieces to the lathe and plasters them. The teeth I work with a stainless steel brush with the buildup I remove the coverings and fluxes.

Obrázek

Obrázek

The last step is again a small heat treatment, notably, the axes are not sensitive to shock. So I give the parts again for one hour at 230 ° C in the oven.

Obrázek

Obrázek

The axes are then ready for installation. But before I fit more to the drive wheels.
But still not right with the chain.

Obrázek

With late drive to set the track is easiest. One only has an aluminum bar stuck in the middle of the rollers.

Since the drive wheels must still 3.8 mm closer to the tub I edit it again on my big lathe.

Obrázek

Obrázek

And it must look like then.

Obrázek

Obrázek

Tomorrow I'm doing the countershaft to then.
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Edwin
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Re: Three Tigers

Příspěvek od Edwin » 28 srp 2013, 17:11

And on it goes.

Today was the assembly of the countershaft to the series.

For this purpose, I first filled the housing with graphite grease, the drive axle is pushed to the gear, which then leveled supernatant fat to the middle and cleaned the edge.

Obrázek

Obrázek

Obrázek

The next step was to cut the 13 pieces M1, 2 screws with whom I have the lid screwed. Of course, the sealant was not to forget.

Obrázek

Obrázek

After the countershaft is now closed I had to adjust the drive. Here's a little editing using a file or belt sander was necessary.

Obrázek

Obrázek

So then the drive has less than 1mm clearance to the countershaft.

Obrázek

The assembly of the chains was then just a formality.

Obrázek

After the drive is now so far advanced I had to for a test drive or the controller soldering and programming.

Obrázek

And then came the big eye look again. If everything goes the way I imagine it, or I have to optimize something, or even change.

Obrázek

http://www.youtube.com/watch?v=MDfg93KsZwo
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sourekv
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Re: Three Tigers

Příspěvek od sourekv » 28 srp 2013, 18:23

Amazing work. I am glad you have come here.
V.
Mysleli jsme to dobře, ale dopadlo to jako vždycky

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sr71x
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Re: Three Tigers

Příspěvek od sr71x » 29 srp 2013, 19:45

Hi Edwin.

Very nice work. I am building Jagdpanther similar way like you:

Obrázek

Obrázek

Obrázek

Obrázek

Obrázek

It seems on pictures you have better machinery than me... ;)

Zbynek
SR71X

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