The V2 project

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Phil Woollard
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Re: The V2 project

Post by Phil Woollard » Thu Mar 14, 2019 9:01 am

Some interesting photos of the Protze I use for reference. It makes for fascinating reading as there is tons of info on the net if you look for it.
A very shy underrated light truck with many different marques for different rolls serving on many campaigns and fronts.
Maybe Armortek would consider a few more wheeled vehicles to ad to their collection, the big expensive tracked examples are just great but a few more less expensive types would be very welcome.
I'm thinking of building from scratch but using as many Armortek parts as I can (sorry Monique) a big Allied truck, something like a Matador or Bedford, what do you guys think, and would I have a customer to take it off my hands after a six month build?
Attachments
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The Protze had a "boxer" air cooled engine which proved popular in the dry/arid or cold areas of the world where water was in short supply, or water was in the form of ice a lot of the time!
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Mechanical engineer, Pyrotechnic technician, and small time farmer.
Youtube channel, Magpiespyro. For 1/6th scale video action!
Email; magpiespyro@hotmail.com

Liam Mahoney
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Re: The V2 project

Post by Liam Mahoney » Thu Mar 14, 2019 8:29 pm

Hi Phil
I think generally the centre point between the rear axles, twin rear axles will scrub anyway.
So is that a 4 cylinder in that truck, seems a bit small?

Liam

Phil Woollard
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Re: The V2 project

Post by Phil Woollard » Sat Mar 16, 2019 7:46 am

A little more progress to the oily bits. Liam the Protze initially had a 60 hp engine, this was then increased to a 70 hp unit, not much by today's standards but the horse power per ton was not bad and with just 4 cylinders not much to go wrong either.
Attachments
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The drive shaft right where it needs to be, I'm leaving the prop sharft long until the motor and gearbox arrives.
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The best way to run in the gears/drive train rather than over stress the expensive motor and gearbox.
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I have noticed that the driven gear before the centre diff is a couple of thou out of true, (I used masking tape to mark the shaft and held that part in the lathe chuck, this throwing the shaft out of true by a couple of thou) so I will need to turn the bearing shoulder once more a little further along the shaft, it's always a good idea to leave the shaft long until you are happy with everything!
Mechanical engineer, Pyrotechnic technician, and small time farmer.
Youtube channel, Magpiespyro. For 1/6th scale video action!
Email; magpiespyro@hotmail.com

Phil Woollard
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Re: The V2 project

Post by Phil Woollard » Sat Mar 16, 2019 6:48 pm

Been busy today with the Protze and managed to get to a farm sale for a couple of hours around lunch time and picked up a nice machine vice for two quid!
Attachments
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Primed in my lovely grey.
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It's been a lot of head scratching to get this lot sorted
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Managed to get the drive shaft up out the way between the chassis rails
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That's an 8mm silver steel drive shaft so no bending or gear climbing from that area.
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Rear tow hook and twin recovery hooks fitted
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Access hatch cut in the rear bed allows easy adjustment of the shaft and middle diff gears, a bit like the rear Famo bed.
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Lock nuts on all the bolts.
Mechanical engineer, Pyrotechnic technician, and small time farmer.
Youtube channel, Magpiespyro. For 1/6th scale video action!
Email; magpiespyro@hotmail.com

Pete Nash
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Re: The V2 project

Post by Pete Nash » Sat Mar 16, 2019 7:39 pm

Hi Phil

Your engineering and modelling prowess is second to none.

As for your suggestion that Armortek start to make 'trucks' instead of tanks will surely get a favourable response.
However, Armortek's forte is in 1/6th scale. The size of their current electronics packages and the batteries required to power 'trucks' for any reasonable time, and give good pulling power, and give a decent load bed for interesting cargo, I think is beyond 1/6th scale.
Sure, it can be done as a static model but what is the fun in that.

I haven't got a Famo but its size suggests that the electronics and batteries can be disguised so was a viable proposition for Armortek, I'm not so sure about other vehicles. The Morris Quad is only just big/small enough for the electronics and batteries but that has a totally enclosed back to hide them.

I note that you are making a 'small' vehicle that is remote controlled. Perhaps you'd like to share your methodology so that 'Armortek' can start thinking of other control systems for trucks and smaller AFV's.

Regards

Pete

Phil Woollard
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Re: The V2 project

Post by Phil Woollard » Sat Mar 16, 2019 10:12 pm

Hi to you Pete, I just think a few more trucks in the line up might be interesting. Space for the rc control is always a big concern, Armortek modules are just great and so easy to install, I intend to use one of the older auxiliary modules for this build but not sure where to hide it yet, the batteries will not be huge maybe only 7ah. I hope to hide those batteries in the cargo area disguised as crates, everything else under the seats.
I agree a compact module control system might be the way forward for a range of smaller vehicles, although the newer motion and sound modules are very compact compared to the earlier systems, and as we have seen fit nicely in the RR which is very tight for space being one of the smaller models but not as small as the 222.
Keep watching this space to see how I get round it!

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

Phil Woollard
Posts: 1721
Joined: Mon Mar 01, 2010 4:48 pm
Location: Cornwall
Has liked: 222 times
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Re: The V2 project

Post by Phil Woollard » Mon Mar 18, 2019 3:57 pm

I hope you guys enjoy this bit, i'm using a 4" wafer thin cutting disc with no guard, as with one you just can't see what you are cutting ( please use a guard).
But first the motor output shaft machining, well drilling and tapping really. I do like to use old quality drill bit shanks to make the small shaft with the flat on to accept grub screws, the material is an accurate convenient diameter and tough but workable not like the business end of the drill bit.
I hope this isn't going into to much boring detail but I would like you guys to see it warts and all and how easy it is :roll:
Attachments
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First I drilled a 6 mm hole to take the union shaft . Then I've used the key way to guide the M4 tapping drill, this passing right through the shaft.
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A flat filed to accept the grub screw on both ends of the union shaft.
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The 6 mm UJ attached and the motor and gearbox offered up.
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Simple pencil lines mark the hole to be cut, the edges can be cleaned up later and made true with a file.
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Then cutting down through the belly plate and into the engine compartment avoiding the dummy motor as I go.
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The tin transmission tunnel is conveniently placed.
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The motor now awaits some mounts and the hook up propeller shaft which is going to be pretty much inline, a second UJ will link the shaft nicely. Once I'm happy with the installation I will remove more of the belly plate and ad more gearbox detailing.
Mechanical engineer, Pyrotechnic technician, and small time farmer.
Youtube channel, Magpiespyro. For 1/6th scale video action!
Email; magpiespyro@hotmail.com

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