Martin's Jagdpanther

Forum for discussion relating to the Jagdpanther
Vince Cutajar
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Re: Martin's Jagdpanther

Post by Vince Cutajar » Fri Jul 05, 2019 4:14 pm

It will be interesting to see how your recoil system develops. I can see you are using a linear bearing and toothed (timing) gears. Looks to be interesting. For my Tiger 1 I will be using most of the Armortek hardware but controlled by an Arduino and a stepper motor.

Vince

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Stephen White
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Re: Martin's Jagdpanther

Post by Stephen White » Fri Jul 05, 2019 6:29 pm

Martin, great to see your engineering skills. There is some film footage of the Weald Foundation Jagdpanther in action in my TankFest video on the TankFest 2019 thread. (See at 5.15 mins into the video).

https://www.youtube.com/watch?v=N0yq6vpZu98

With a linear bearing, you may well have to balance the gun barrel longitudinally. I found with my Cent linear bearing that any slight axial misalignment causes the barrel to jam in the bearing. I shimmed it to make sure there was no free play in the bearing and with the gun in balance, it now recoils very smoothly and freely. I'll be interested to see your experience.

Martin Hofmann
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Re: Martin's Jagdpanther

Post by Martin Hofmann » Thu Jul 11, 2019 5:42 pm

Hi Vince,
hi Stephen,
her you can see the next progress of the recoil system with the new motors for barrel movement.
Maybe i forgot to tell you: there are 2 linear ball bearings in the parts with an inner diameter of 20mm and a distance to each of approx. 120mm. So i am sure there is no problem of jamming, because the rod has a tolerance of 20 -0.025 mm.
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Regards Martin

Christoffer Ahlfors
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Re: Martin's Jagdpanther

Post by Christoffer Ahlfors » Fri Jul 12, 2019 8:12 pm

I realize now that in order to fully appreciate this, I would need to know what it looked like before your modifications. :?
Either way, just watching your mechanics is pure joy! :D
Klotzen, nicht kleckern (Guderian on panzer tactics, but the way I interpret it - it applies to a great many things in life)

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Re: Martin's Jagdpanther

Post by Martin Hofmann » Tue Jul 16, 2019 5:08 pm

Hi Chris,
thanks for the flowers :D :D .
Here starts the chaos of the electric with all switches and the new 60W Benedini amplifier. It has a great sound after 2 hard weeks of working with all the cables, relais, power supply, aux module and switches ...............
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Regards Martin

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Re: Martin's Jagdpanther

Post by Vince Cutajar » Tue Jul 16, 2019 8:27 pm

A very neat layout. Can't wait to see it in action.

Vince

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Re: Martin's Jagdpanther

Post by Martin Hofmann » Wed Aug 07, 2019 4:38 pm

Hi Vince,
sorry for so long not answer, but i was very very busy first for Hausen and afterwards for job.
Here are some more progress - all without weathering
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Regards Martin

Martin Hofmann
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Re: Martin's Jagdpanther

Post by Martin Hofmann » Tue Aug 20, 2019 5:04 pm

Here making some new recovery ropes and soldered with the tubes. After this i camfered the ends.
In the mean time the JP got some weathering. Now the red color is getting darker and is nearer to the origin in Bovingten.
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Regards Martin

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Re: Martin's Jagdpanther

Post by Martin Hofmann » Wed Sep 25, 2019 4:35 pm

Now all tools are mounted. Also the recovery ropes are on there place.
Only a little bit rust onto the exhausts are missing. That will follow soon.
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Regards Martin

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Re: Martin's Jagdpanther

Post by Phil Woollard » Wed Sep 25, 2019 5:13 pm

Looking good!
Mechanical engineer, Pyrotechnic technician, and small time farmer.
Youtube channel, Magpiespyro. For 1/6th scale video action!
Email; philandkris2@hotmail.com

Vince Cutajar
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Re: Martin's Jagdpanther

Post by Vince Cutajar » Wed Sep 25, 2019 8:42 pm

Really well done.

Vince

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Re: Martin's Jagdpanther

Post by Christoffer Ahlfors » Thu Sep 26, 2019 8:10 pm

Perhaps I have said this before, but you are not only a first class engineer, you do the artistic part fantastically, too! :D
Klotzen, nicht kleckern (Guderian on panzer tactics, but the way I interpret it - it applies to a great many things in life)

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Re: Martin's Jagdpanther

Post by simon_manning » Thu Sep 26, 2019 10:00 pm

excellent martin, i like it, lovely job, regards simon.

Martin Hofmann
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Re: Martin's Jagdpanther

Post by Martin Hofmann » Fri Sep 27, 2019 3:50 pm

Hello guys,
thank you very, very much for the kind words!!! The compliments are always welcome. :D :D :D
Regards Martin

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