Tiger 1 (Early Variant) 2004 #98 build

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Sam Hough
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Re: Tiger 1 (Early Variant) 2004 #98 build

Post by Sam Hough » Fri Jun 24, 2016 7:47 am

I know what you mean about 40Mhz but I've got soo much invested in FM and not a lot of cash to throw around.

I'm half waiting to see if the wi-fi remote control works (or not). If it does work then maybe a USB control sticks with cheap pad (for soft button and camera) would make more sense. Presumably for tanks any slight extra latency wouldn't matter so much. I struggle to remember what all the switches and knobs on RC remotes do and my Dad is worse.

Currently I'm having a mini breakdown trying to decide what speakers to buy.

Thanks

Sam

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Adrian Harris
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Re: Tiger 1 (Early Variant) 2004 #98 build

Post by Adrian Harris » Fri Jun 24, 2016 8:07 am

The Tannoy EFX/SFX ones Armortek supply are very good.

They're small but powerful and give a good amount of base from a small case.

Adrian
Contact me at sales@armortekaddict.uk for details of my smoker fan control module and other electronic gadgetry

Sam Hough
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Re: Tiger 1 (Early Variant) 2004 #98 build

Post by Sam Hough » Fri Jun 24, 2016 9:47 am

Thanks. It looks like they fit at the back on the sides so I could keep the batteries in their standard position.

Steve Stuart
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Re: Tiger 1 (Early Variant) 2004 #98 build

Post by Steve Stuart » Fri Jun 24, 2016 12:39 pm

I have some spare that I can part with, if you can let me know before this evening I can bring a pair to Tank Fest.
Steve

Sam Hough
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Re: Tiger 1 (Early Variant) 2004 #98 build

Post by Sam Hough » Fri Jun 24, 2016 4:04 pm

I could be seeing artifacts but the spectrum of 131 engine noise looks like it has a lot of energy at 80 and 200Hz.
131EngineSpectrum.png
131 engine recording spectra, log scale, 8192 window, audacity
For the flak88 firing a lot of energy is under 100Hz!?
88Spectrum.png
flak 88 firing spectrum
The 100mm diam speakers cut off at about 150Hz.

Has anyone got a good enough hi-fi to listen to files with or without the 150Hz information?

Just to be clear, I have no idea what I'm doing ;)

Cheers

Sam

Sam Hough
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Re: Tiger 1 (Early Variant) 2004 #98 build

Post by Sam Hough » Fri Jun 24, 2016 4:27 pm

80Hz for the engine implies 4800RPM!? Could that be roughly right?

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Adrian Harris
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Re: Tiger 1 (Early Variant) 2004 #98 build

Post by Adrian Harris » Fri Jun 24, 2016 6:15 pm

Doesn't it depend on the number of cylinders and how many cylinders fire per crankshaft revolution ?

I seriously doubt anyone has revved a Tiger engine to 4800RPM since the fifties :shock:

Adrian.
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Re: Tiger 1 (Early Variant) 2004 #98 build

Post by Sam Hough » Fri Jun 24, 2016 6:33 pm

OK. I'm just digging a deeper hole for myself but... 12 cylinders at 2 revs per bang giving 80Hz comes out at 800RPM? https://en.wikipedia.org/wiki/Maybach_HL230 says max torque was at 2000RPM so maybe 800RPM is roughly right!?

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Re: Tiger 1 (Early Variant) 2004 #98 build

Post by Graham Hough » Sat Jun 25, 2016 5:46 pm

Stage 1 delivered to the South for the electronics expert.
Stage 2 in the North started in a hull mock up.
Don't know how others fix the handles to the engine cover but I decided to braze them in place. Shown before being ground flat.
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Paul Wills
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Re: Tiger 1 (Early Variant) 2004 #98 build

Post by Paul Wills » Sat Jun 25, 2016 5:53 pm

Hi Graham,

I think the instructions say to glue the the handles in place, but brazing them in place works even better :wink:

Paul.
9 kp pz gren div grossdeutschland Tiger A23, Sd.Kfz. 7 half-track Artl Reg 146 (mot), 16.Infanterie-Division (mot). Flak 36 88mm, Erg-Zug Flak-Stammbatterie Augsburg. King Tiger & Pak41

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Re: Tiger 1 (Early Variant) 2004 #98 build

Post by Sam Hough » Sun Jun 26, 2016 12:42 pm

You just enjoy brazing.

Graham Hough
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Re: Tiger 1 (Early Variant) 2004 #98 build

Post by Graham Hough » Mon Jun 27, 2016 2:47 pm

What glue do folks use to stick the turret bearing brass half rings to the steel deck, please? I suppose I could braze it ;)

William Bath
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Re: Tiger 1 (Early Variant) 2004 #98 build

Post by William Bath » Mon Jun 27, 2016 2:55 pm

I have not fixed them, and they seem happy, the turret keeps them secured.

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Re: Tiger 1 (Early Variant) 2004 #98 build

Post by Graham Hough » Mon Jun 27, 2016 3:10 pm

Thanks for the advice.

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Re: Tiger 1 (Early Variant) 2004 #98 build

Post by Sam Hough » Mon Jun 27, 2016 3:26 pm

Thinking about another layout now I've seen sense and I'm getting the standard speakers.
DSC_3733.JPG
Layout V2
Electronics being near the switches (under the front hatch) and camera having short route to front seem good. Downside is longer power lines to fuses and relay? Also not sure what RF the power controllers have.

I should just get on with it now though ;)

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