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TOPIC: 1:10 scale farm machinery scratchbuilds

1:10 scale farm machinery scratchbuilds 5 years 3 months ago #29782

Made sense (to me anyway) to move the combine build here ...

Index:

1979 Fiat Trattori 880 DT Pininfarina build

page 1: 1:32 Britains model, RC parts, front axle, chassis basics
page 2: cab drawing, card mockups, drivery hackery, cab basics
page 3: cab & chassis details, interior, tyre mods, nose weights
page 4: priming, painting, final assembly, lights
page 5: fake box art

NC Engineering vacuum slurry tanker with "over-the-hedge" boom

page 5: Britains/ERTL/Tomy 1:32 model, starting frame
page 6: tank skinning, axle & chassis basics
page 7: tank details, paint
page 8: light weathering

1978 Massey Ferguson 760 Combine Harvester]

page 8: Initial plans, Britains 1:32 model clean/rebuild, The Wurzels
page 9: more thinking, line drawings, Clod wheel & tyre narrowing
page 10: rear (steering) axle, 2D card version, chassis, starting on cutting head, conveyor box, starting on reel, reduction box
page 11: battery, motor steady, cutting head ends (dividers etc) detailing, 3D card body/planning
page 12: card body build, translation into styrene, cab, driver, unloader boom
page 13: mk.1 unloader boom mechanism mk.1 fail, turning alloy fake air cleaner, body details, boom mech mk.2
page 14: electrics
page 15: dismantling, primer
page 16: paint & detailing
page 17: fake box art, more thoughts on next project
page 18: test drive fail, posed outdoor shots, diff & 5th wheel mods
page 19: 2nd test drive fail



Back to the original 1st post...


1979 Fiat Trattori 880 DT Pininfarina build


Someone here posted a link to a video of a Tamiya Tumbling Bull bimbling around a farm & that quite tuned me in to the idea of having a 1/10 scale tractor - just not one with an exposed driver, or a lexan body - ruling out either of the Tamiya offerings.

As I'd had a Britains 1/32 scale Fiat 880DT tractor as a nipper the answer was obvious - the 80 series tractor has a very angular shape (especially with the Pininfarina cab) so I wouldn't have to do any difficult curves in styrene, it also fits nicely with by newly discovered fondness for late end of the 70s styling. I can cheat a little on the drivetrain as although the one I'd be using for basic dimensions & scaling is a 4WD model (and how I wish I'd kept mine, the cost of getting a halfway decent one now is best described as "punitive"), there were 2WD models with smaller & wider plain tread front wheels.

So far a quick rootle through the parts heap & a quick bit of spannering on donor chassis has yielded most of the bit I need, including:
- Pajero wheelie gearbox (new gears, apart from a used diff gear from a Wild Willy M38) + shocks
- Lunchkin 10T brass pinion + motor adaptor home made from styrene sheet
- re-re Frog 12mm wheel hex adaptors
- 55T motor from my ORV/Bowler Wildcat scaler
- vintage Sand Rover front wheels & tyres
- Bush Devil rear wheels & tyres
- F103 front upright set
- standard size metal geared servo + lunchkin servo saver

There is a bit of an issue with the wheelbase/width dimensions, working these out from the 1/32 model means the 1:10 version "should" have a wheelbase around 240mm, and 125mm between the tyres on each axle. This would mean I would need to narrow the gearbox - but these dimensions look wrong, with the 150mm needed for the gearbox looking a much better fit.

First step will be to double check, then make a front axle & chassis rails with gearbox & shock mounts ... just not today :)










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Last edit: by Jonny Retro.

1979 Fiat Trattori 880 DT Pininfarina build 5 years 3 months ago #29787

Hmmmm

I'm just wondering how this Fiat will end...I'm sure this thread will be very intresting to follow :y:
Proud owner of the Bruiser Family

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1979 Fiat Trattori 880 DT Pininfarina build 5 years 3 months ago #29800

Good build idea :y:

Hmmm. I have a few Lunchbox gearboxes here... :silly:

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1979 Fiat Trattori 880 DT Pininfarina build 5 years 3 months ago #29821

caprinut wrote: Good build idea :y:

Hmmm. I have a few Lunchbox gearboxes here... :silly:



Build an 8 wheel behemoth? ;)

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1979 Fiat Trattori 880 DT Pininfarina build 5 years 3 months ago #29830

:cry: We lost Jonny in the Tamiya's badword!!! :y:
Very good idea JR :silly: You are definitively crazy

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Last edit: by stingray-63.

1979 Fiat Trattori 880 DT Pininfarina build 5 years 3 months ago #29847

Get yourself on youtube & look at some RC tractor pulling - should whet your appetite for tractor-related silliness (Some of them are using gas turbines too!).

Went to Weeting steam rally today, spotted an old Fordson which someone had grafted a Perkis V8 into... suspect that wasn't to make it better for dragging ploughs, more likely sleds.
There's a rally in South Wales (Great Malvern? something like that) that still does tractor pulling - V entertaining! Only time I've ever seen steam traction engines pulling wheelies!

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1979 Fiat Trattori 880 DT Pininfarina build 5 years 3 months ago #30084

Made a bit of a start on the chassis, need to get some more 8mm (5/16ths") square aluminium bar to make some servo mount blocks (same two screws will hold the front axle on) and make some sort of bracketry for the rear shocks ...









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1979 Fiat Trattori 880 DT Pininfarina build 5 years 3 months ago #30085

Too hard for me jonny but a nice chassis :woohoo:

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1979 Fiat Trattori 880 DT Pininfarina build 5 years 3 months ago #30094

Very nice work again (twas me by the way who linked to the rather brilliant Tumbling Bull video from a TC member). :y:
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Last edit: by Edou.

1979 Fiat Trattori 880 DT Pininfarina build 5 years 3 months ago #30170

I've spent a little more time on this - making some servo blocks & finishing up the steering, and also making the rear suspension mounts - most of which should be hidden under bodywork a lot later on :)




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