0 Members and 1 Guest are viewing this topic.
The screw thingy is the wrong way round and facing the wrong direction... ?
The two screws push snow towards the middle if spinning counterclock from the rhs as we see it - it then gets scooped up by the central thing and thrown everywhere? But then I have no idea what its meant to do.
es, that's how it works. The screw thing is called the auger and it feeds snow to the impeller. The impeller then chucks the snow out a hole in the top. There is a chute thing (not installed in the piccy) that goes on top to send the snow in the desired direction.
See I had no idea that was how it worked, hence me thinking it was on the wrong way. I thought it was meant to be more like an Archimedes screw. But thank you for the heart. 
I am still not entirely sure how dragging the snow to the centre helps.... I thought the idea was to push it aside? But I bow to your engineering/mechanical/blokey experience. 
See, the whole bag of tricks goes on the back of a tractor, and you reverse the tractor into the snow. While you are doing that, the two archiwotsit things are dragging the snow towards the center where it gets dumped into the thingy at the back there that's spinning around rather fast. As it spins, it chucks the snow up (I suppose it's really an up-chucker) the chute (not in the picture) and sent off towards your neighbour's driveway.
You can get one that goes on the front of the tractor, though most that I have seen need a power supply from a hydraulic pump to run them, as no tractor I have seen has a front PTO.
the Aussies are suffering from Al Gore's warming
Quote from: SeanB on 22/12/2010 10:59:44the Aussies are suffering from Al Gore's warmingTrue, but at least he invented the Aussie Internet!
Dear Moderator,I'm not having too much luck with the second part of my question. Could you relocate it to the General Science, Physics, or Technology forums?Thanks G
Quote from: Geezer on 27/12/2010 08:42:36Dear Moderator,I'm not having too much luck with the second part of my question. Could you relocate it to the General Science, Physics, or Technology forums?Thanks GDone. It was relocated to "The Scientific Proof of God" thread.
The fan at the back, that is supposed to throw the snow, looks a bit knackered. At least it's an odd shape. Maybe this description could also apply to the guy who drives it :-)
It is hard to tell... and your description is a bit sparse... to say the least. I've always found a good shovel was quite effective, and then one could neatly pile the snow next to the road or driveway, rather than blowing it onto the neighbor's property.A couple of things I might question.You've apparently done maintenance on the bearings. I would consider if it was better to put the grease fittings on the outside of the snow blower rather than the inside... except perhaps there would be a risk of smashing them into something, or dragging on the side. But at least one could protect them from the snow. IS THE GREASE FITTING ON THE LEFT SIDE MISSING?The two spirals would tend to separate in the middle, so they couldn't be "floating" on the drive shaft without some kind of washers or spacers. The attachment is unclear.I can't tell if the single vertical support in the middle would be adequate.The fan on back appears to turn counterclockwise. I'm trying to figure out the benefit of having an angled blade vs a flat blade. In fact it almost appears as if that has been modified. I think I would have added a support to the blade on the "back" side rather than the "front" side as the angle in the photo looks like it would tend to blow the snow backwards rather than upwards (oh, I see someone else made that comment, anyway, it is probably ok).
I'm surprised I have not been able to Hooke a mechanically minded person in this joint that is able to answer my question.
Your photo isn't very clear of the "pickup" area.Thanks for clarifying the direction of the blower, clockwise. There is a shield in the upper left of the pickup area (I can't see how far it extends downward), which protects the snow as it enters the auger and is flung upwards. There is also a vertical bar holding the differential in the middle from the top.Any snow that gets shoved into into the upper left of the pickup area then gets stuck between the shield over the pickup, and the post, with no place to go.Depending on how far down that shield extends, the snow from the right will get picked up better than snow from the left.Were you the one that asked about wet snow vs dry snow? If that is your problem... you need to get your hair dryer out and dry your snow 
I'm surprised I have not been able to Hooke a mechanically minded person in this Joint that is able to answer my question.
Is there an extraneous lump (looks like a bolthead) coming out of the LH universal joint on the brown/grey connecting rod - it doesn't look as if the left hand side of that rod could straighten up.
between 1667 and 1675, Robert Hooke analysed the joint and found that its speed of rotation was nonuniform[...]Hooke proposed a solution to the nonuniform rotary speed of the universal joint: a pair of Hooke's joints 90° out of phase at either end of an intermediate shaft.
I was looking at my Ford Pickup today.It has three Universal joints, instead of two.The first one is pretty closely aligned with the transmission. But, it would seem that it is not a good idea to have an odd number of joints.