Motors and Ratios and stuff....

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mikes
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Motors and Ratios and stuff....

Post by mikes » Fri May 15, 2009 4:14 pm

Hi all,

As some of you may know i am just about pants at electronics, now im building a tank from scratch so i need a little(or a lot!) of advice.
First of all i have found a motor which is apparently good for the job:
http://www.uk.parvalux.com/uk/products/ ... w&id=pm1mb
First of all will i need to gear it down at all and if so what would the ratios be??
Or would i be able to run it straight to the drive sprocket.

Secondly does anybody have a picture or link to a very place htat shows a picture off all the electronics required and how to wire them?? :|

ANY help at all would be greatly appreciated and also any tips you have would be great,

Cheers, Mike:D
www.onesixthmike.kk5.org

Tamiya 1/16 Pershing, Scratch Building 1/6 T-34 85.

saracen
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Re: Motors and Ratios and stuff....

Post by saracen » Fri May 15, 2009 6:07 pm

You will certainly need to have a gearbox in there.

I believe the Armortek Parvalux motors use an 11:1 ratio gearbox on the earlier models and a slightly lower(?) ratio in the later models - something like 9:1.

Adrian.

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mikes
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Re: Motors and Ratios and stuff....

Post by mikes » Fri May 15, 2009 10:15 pm

Thanks Adrian,
Has any body got a picture of one their gearboxes they could send me please?

Cheers, Mike H
www.onesixthmike.kk5.org

Tamiya 1/16 Pershing, Scratch Building 1/6 T-34 85.

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olly weston
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Re: Motors and Ratios and stuff....

Post by olly weston » Fri May 15, 2009 10:57 pm

PM me your email addy
1/6th Pz 11 Running, but not 100% finished. 1/6th Panther being built very very slowly. Based On a Panther from the LSSAH Division during heavy fighting in the Ardennes. Peipers unit was one of the elite

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mikes
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Re: Motors and Ratios and stuff....

Post by mikes » Fri May 15, 2009 11:02 pm

PM sent :D
www.onesixthmike.kk5.org

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Chieftain 900
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Re: Motors and Ratios and stuff....

Post by Chieftain 900 » Sat May 16, 2009 7:05 pm

Mike
If you are thinking of using one of the motors in the link, then you do not need a gearbox. They are similar to the wheelchair motors that I use and they are powerful, + gearbox is part of the motor.
Bob G

Heavy cav rules

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mikes
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Re: Motors and Ratios and stuff....

Post by mikes » Sat May 16, 2009 9:47 pm

Does that mean i can run it straight to the drive sprocket??
www.onesixthmike.kk5.org

Tamiya 1/16 Pershing, Scratch Building 1/6 T-34 85.

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Chieftain 900
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Re: Motors and Ratios and stuff....

Post by Chieftain 900 » Sun May 17, 2009 7:49 am

mikes wrote:Does that mean i can run it straight to the drive sprocket??
Due to size and location of the final drive on most tanks I would think a chain drive from the motor to the drive shaft will be needed.

To give you an idea on the power of these motors I found them in use by a company called toylander. They make kids cars to sit in a drive, made from 25mm board and metal fitting, run from a car batt. I tried one bearing in mind only 1 motor fitted and it moved me with no problem.
Bob G

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jagdpanther
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Re: Motors and Ratios and stuff....

Post by jagdpanther » Sun May 17, 2009 5:35 pm

The parvalux motor as shown has a worm and wormwheel drive .
In the Armortek models this type of motor is used but the output shaft drives a pair of reduction gears , the second gear having a shaft that drives the sprocket being held on by a tapered coupling.
On occasions old mobility scooters appear on ebay and go very cheaply . Some have a single motor , some have two . If your lucky you will get the batteries you need off the same scooter .
Be aware that these motors are 24volt so you will need 2x 12 volt batteries wired as a pair . Remember not to split the batteries when charging , charge them with a 24 volt charger, which if you were very lucky would have come with that mobility scooter :D
As to speed controllers , 4QD,s are one of the best although pricy . Mark from Armortek did mention that he is now useing a different speed controller due to the aftermarket service he was getting from the manufacturers of 4QD,s
It is possible to use the big Electronize speed controller on 24 volts and i think these are around £40 each .
1/6th Jagdpanther, various 1/6th motorcycles,1/6th mercedes staff car


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mikes
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Re: Motors and Ratios and stuff....

Post by mikes » Sun May 17, 2009 6:17 pm

Cheers for the help lads,
On the parvalux website i think it says the motor can be run on a variety of voltages(12v-200v), if so i would probably run it on 12v and buy the speed controllers complete with sounds from Mark-1-Tank.

Cheers, Mike H
www.onesixthmike.kk5.org

Tamiya 1/16 Pershing, Scratch Building 1/6 T-34 85.

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Chieftain 900
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Re: Motors and Ratios and stuff....

Post by Chieftain 900 » Mon May 18, 2009 9:20 am

My Conqueror which is all metal took of like a scladed cat with only one of the mobility motors(12volt) when i was fitting what turned out to be a fualty electronize esc. Hit full power and it was gone, no r/c control of it either, lucky impact damage wass minimal due to metal construction.
Bob G

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No1_sonuk
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Re: Motors and Ratios and stuff....

Post by No1_sonuk » Mon May 18, 2009 12:46 pm

Chieftain 900 wrote:lucky impact damage wass minimal due to metal construction.
Minimal to the tank, maybe, but what about what it hit? :o

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Chieftain 900
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Re: Motors and Ratios and stuff....

Post by Chieftain 900 » Mon May 18, 2009 6:40 pm

Pavement endge then her foot ouch :D
Bob G

Heavy cav rules

http://www.Isallt.com

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