The crawler with a body from the “Oka” looks great.
The performance characteristics:
The engine from the VAZ-2109.
Gearbox (gearbox) from the VAZ-2109.
Suspension on balancers with torsion bars.
The main thing in a car model is a hydraulic drive.
Task: make the most of the parts and assemblies of our car industry.
The purpose of creation: the construction process and then skiing in the suburbs.
Drawing of the future all-terrain vehicle with dimensions.
Track rollers will be of the original design: vulcanized discs.
The rollers are all ready.
The design of the torsion-balance suspension of the track rollers.
Ready-made balancers to choose from.
The caterpillar will be from the Taiga snowmobile, but with an increased length and reinforced steel cord.
A hydraulic motor will be integrated into the fist from the VAZ-2109. Instead of a thrust bearing, two ball radial bearings are installed, for this a fist is bored.
Fist embodied in metal.
Fist from the VAZ-2109.
Condition "Oka" is excellent.
About this will be the body relative to the frame.
Almost perfect parts.
Front-wheel drive and about such stars will set the track in motion.
Under the bottom of the "Oka" you need to weld the frame.
I bought a VAZ-2109 engine, disassembled it, I have to capitalize, squander sleeves.
Body attachment points to the frame.
Approximate installation of the body.
Engine mounting location.
Track tensioner design.
The frame is made at the factory.
Balancers on the frame.
Frame tests with static load. Tests gave a positive result.
Body brackets made of metal 3 mm thick.
Brackets for the engine remained standard.
Bracket assembly.
Rear body mount bracket.
The fuel tank from the UAZ is redone for hydraulic tanks.
The hydraulic tank has replaced the Oka’s fuel tank.
Location of control valves.
Track Levers all-terrain vehicle.
Gas tank for an all-terrain vehicle of 30 liters.
The gas tank will be located between the frame and the body in the area of the Oka trunk.
The driven skating rink is assembled.
The brake discs from the Oka perfectly fit into the brake drums of the VAZ-2109.
Caterpillars purchased.
Caterpillar on the rink.
The location of the drive wheel.
Drive wheel.
On the crankshaft installed ratchet for start-up from the handle in an emergency.
The main brake cylinder rests on the distributor and thermostat.
The new gas tank took its place.
New filler neck from the Gazelle.
A centering shaft was used to center the pump and gearbox shaft.
Oil filters have taken their place.
The place where they will be installed.
Back view.
Such earrings will be the eyes in front for towing.
Towing eyes installed. View from above.
Drive wheel assembly with hydraulic drive.
Hydroallocators are fixed and hydraulic hoses (RVD) are laid.
A mini-stand for checking the hydraulic drive is made.
Video about the test bench.
A new hydraulic vacuum booster for brakes and an expansion tank is installed.
Based on this profile, we will produce a tension device.
Stretching device.
Bracket for mounting the gearbox (Gearbox).
The radiator from the VAZ-2109 took its place.
The fan with a diffuser is left from the Oka.
Idler bracket
The pressure plate on the frame.
The tensioner is assembled and mounted on the frame.
Tension mechanism with bracket.
Tensioner plate mounting bolts.
The engine from the VAZ-2109 in the back of the Oka.
A new version of the tensioner is made more compact.
Laying of the WFD and all communications.
The steering wheel disappeared in the cabin and new additional devices appeared.
Wooden tooth profile on the drive sprocket.
The tooth is cast.
Only 136 teeth needed.
The teeth are attached to the drive wheel using M12 bolts.
Tooth on the wheel.
Wheel assembled.
Installation of a hydraulic pump.
The hydraulic pump drive shaft from the gearbox to the centered pump.
A silencer is installed.
Caterpillars purchased before the upgrade.
After the upgrade. The guiding fangs are installed against the caterpillars during driving and turns.
Cast guides.
Track roller and guides.
The moment of assembly of the snowmobile.
Snowmobile "Bekas" assembled.
Self-made ready for testing.
The clearance was good.
Turn marks on the concrete floor.
Running in. U-turns on the spot. Video
Moving through a log.
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We wish Sergey success in further improving his snowmobile.