View Full Version : Help me design/make a bike mount
pyrocam
7th June 2005, 15:54
I need to build something that will raise the rear wheel up. just enough to spin it off the ground for chain tightening and chain lubing.
Ive got heaps of metal, all this in fact: (edit: see attachments. its big)
and a welding set of course.
I dont want to spend any money on it, should be simple.
the idea at the moment is to have a beam going under each of the rear wheel strut thingies. and I just lift the bike onto it.
here is my super cool blueprint looking design, sorry its not 'correct' I fudged up some of the area's as it was done in a hurry. but you get the idea.
http://www.kiwibiker.co.nz/forums/attachment.php?attachmentid=11241&stc=1
The bike will sit on the to beams at the top. I might need to strengthen them a bit more but thats the general idea. they cant go straight up from the ground because the chain is in the way. so really it wouldnt need to stick that far out from the vertical pipe. maybe 5cm or so.
bugjuice
7th June 2005, 16:05
why not just copy a tried and tested design? the usual pitstands work great. Just make a U shape on the ground, then over exaggerated 'L' shapes pointing up, then whel you place it under the back wheel and pull back, it lifts the wheel up.
Get ideas like this:
http://www.redtail-intl.com/images/10275.jpg
or this:
http://www.af1racing.com/store/ProdImages/rearstand.jpg
or this (but a squared version, not round)
http://www.scooterparts4less.com/web_gas/MTA4_stand_logo.jpg
and again with this (similar to my one)
http://www.iscales.freeserve.co.uk/4.jpg
Just keep it simple
vifferman
7th June 2005, 16:07
why not just copy a tried and tested design? Just keep it simple
Yeah, wot he said.
Stronger too, than your design, because the weight goes down through the uprights.
pyrocam
7th June 2005, 16:25
yeah that does look much simplier. easy enough to make. but they look bloody flimsy, tdont those little bolts have to hold like, 100-200kg or something.
bugjuice
7th June 2005, 16:31
yeah that does look much simplier. easy enough to make. but they look bloody flimsy, tdont those little bolts have to hold like, 100-200kg or something.
never had a problem so far..
Waylander
7th June 2005, 16:41
Go with Buggy on this one mate. If one of those has no trouble holding my bike up then yours will be piece of pie Pyro. :niceone:
Check out Bike Lift (http://www.ppblift.com/inglese/home_prodotti_ing.htm) and click on "Stands" and then check out the RS17.
I can sell you one for $135 + postage :devil2:
Or there's the Centre Stand (CS24) although I think that's designed so that you can remove the rear shock, and not really for lifting the rear wheel off the ground.
Or do a search for Frostys thread about the stands he's got to sell, which I believe may be collapsable.
pyrocam
7th June 2005, 17:17
hrm. getting the metal off the cart is harder than originally thought.
can I borrow someones for a day. or even just an hour or less. I need to get my chain tightened and cant suspend it from the roof again (eh bugjuice *grin*)
hrm. getting the metal off the cart is harder than originally thought.
can I borrow someones for a day. or even just an hour or less. I need to get my chain tightened and cant suspend it from the roof again (eh bugjuice *grin*)
Well You could just shove a block of wood under the engine, since its a rather little light bike just lift it on that and volia...
pyrocam
7th June 2005, 17:30
new design. cbf drawing it up. two triangles, one for each side. just the right height and with a base at the bottom holding them together. then just a bigarse bolt at the top of the triangle which you can adjust the length and, i dunno, maybe a peice of plastic or wood on the end for the bike to rest on.
edit added pic
sAsLEX
7th June 2005, 17:45
i put my bike on the side stand and stand on the right, pull it towards myself so it is balancing on the front wheel and the stand then chuck a piece of wood under the right foot peg to complete the cheap mans bike stand.
dhunt
7th June 2005, 17:48
hrm. getting the metal off the cart is harder than originally thought.
can I borrow someones for a day. or even just an hour or less. I need to get my chain tightened and cant suspend it from the roof again (eh bugjuice *grin*)
Put a jack under swingarm on the side that doesn't have the chain. Works great :)
bugjuice
7th June 2005, 17:57
hrm. getting the metal off the cart is harder than originally thought.
can I borrow someones for a day. or even just an hour or less. I need to get my chain tightened and cant suspend it from the roof again (eh bugjuice *grin*)
yeah, may be not..
your second idea could work. Depends on how much time and effort you want to put into it, and if it'd be something you'd use over and over.
I've seen sAsLEX use his ways well and few times. If the foot peg is too far forward, the a bit down the swing arm should be ok, just watch the ballance.
I'd say you could come over and use mine, but a) I'm over the bridge, and b) your swingarm is freekishly small, I don't think mine would fit..
Like I said, the second 'triangle' idea could have some merit..
pyrocam
7th June 2005, 19:48
yeah, may be not..
your second idea could work. Depends on how much time and effort you want to put into it, and if it'd be something you'd use over and over.
I've seen sAsLEX use his ways well and few times. If the foot peg is too far forward, the a bit down the swing arm should be ok, just watch the ballance.
I'd say you could come over and use mine, but a) I'm over the bridge, and b) your swingarm is freekishly small, I don't think mine would fit..
Like I said, the second 'triangle' idea could have some merit..
Thanks, Ill try the block of wood thing tomorow but do the triangle one anyway. take some photo's
Ive got the week off before my new job so heaps of time.
fake edit: I dont care about going over the bridge anymore. any ride is a good ride.
Hitcher
7th June 2005, 20:03
And, when all else fails, there is the skyhook...
pyrocam
7th June 2005, 21:12
lol yes. THE SKYHOOK. why didnt I think of that before.
Thanks for all your help peoples!
Ixion
7th June 2005, 21:42
lol yes. THE SKYHOOK. why didnt I think of that before.
Thanks for all your help peoples!
This is recommended BMW practice when overhauling the rear end. Suspend the bike from the ceiling. I am not joking
Ixion
7th June 2005, 21:51
lol yes. THE SKYHOOK. why didnt I think of that before.
Thanks for all your help peoples!
This is recommended BMW practice when overhauling the rear end. Suspend the bike from the ceiling. I am not joking
Pixie
8th June 2005, 11:15
Thanks, Ill try the block of wood thing tomorow but do the triangle one anyway. take some photo's
Ive got the week off before my new job so heaps of time.
fake edit: I dont care about going over the bridge anymore. any ride is a good ride.
Two wooden boxes (Like nails used to come in)
put one under the right hand foot peg mount
push the bike to the right
the left side of the bike will rise
kick the other box under the left foot peg mount
if the boxes are the right height the rear wheel should be off the ground
Or if you can bring some 16 guage 1 inch round steel tube to my place
(Kaukapakapa) I'll bend up a stand for you.
Pixie
8th June 2005, 11:17
This is recommended BMW practice when overhauling the rear end. Suspend the bike from the ceiling. I am not joking
Hang it from a balloon full of weasel farts.
pyrocam
8th June 2005, 12:44
Hang it from a balloon full of weasel farts.
I did have it hanging from the deck roof rafters but (A) I dropped my bike bringing it down and (B) now the rafters are all skew
have you any weasels I can squeeze the farts out of?
Hitcher
8th June 2005, 14:01
Hang it from a balloon full of weasel farts.
A little-known fact is that weasel farts, captured in a light oil, are used as the bubbles in spirit levels. They are used for this purpose because they are always exactly the same size.
Pixie
8th June 2005, 23:00
I did have it hanging from the deck roof rafters but (A) I dropped my bike bringing it down and (B) now the rafters are all skew
have you any weasels I can squeeze the farts out of?
I shot one at christmas.A friendly hawk disposed of it for me.
Pixie
8th June 2005, 23:03
Another idea:
two axle stands and a length of steel to lift the bike by the swing arm,just in front of the rear wheel
Ixion
8th June 2005, 23:12
A little-known fact is that weasel farts, captured in a light oil, are used as the bubbles in spirit levels. They are used for this purpose because they are always exactly the same size.
Alas.Once , in the days of craftsmen, when a fart bubble placer would work for weeks on a single spirit level, to ensure that the bubble was perfectly disposed, this was so. I remember as a lad hanging around the door of the works in Ponsonby, watching the fart placers with childish awe. Occasionally a fart would escape and go floating off, and my special treat was to be allowed to chase after, capture and return it.
But mass production has overtaken the spirit level industry. It is the old story, mass production comes in and craftsmanship and quality go out the window.
The present case is more boring. The bubbles now come from the pig abbatoirs. When the pigs are slaughtered , they release a last enormous fart. These are captured, and many of them are compressed together (the technology was taken from that used to make cheap pressed ham. There is no truth however in the rumours that the farts are compressed in the ham compressing machines. Special fart compressors are essential). The compressed fart is then extruded to make a long sausage like extrusion, and tiny lengths are chopped off by a very precise chopper. These expand when put into the oil, and as a result of the compression and the precision of the chopper they are near enough the same size. As I said, the quality and romance are gone. Ichabod, ichabod.
So that fart bubble has to be bang on in the middle eh? Arduous work and perhaps a skill passed down the generations.....but I have always wondered - on a builders level...are the horizontal fart bubble and vertical fart bubble a matched pair,from the same fart sequence like...? an exacting job.I had a brain fart once...I wish I had been able to capture it,but I never knew what happened....one minute I was ok,the next talking nonsense with no idea what was happening.....I'm going to sneak up on the next one,keep it in a jar and keep it alive with some edward Lear.
Bonez
9th June 2005, 18:20
Has a beer crate been mentioned yet?
Ghost Lemur
9th June 2005, 20:25
Why don't you just get one of those sexy motorcycle jacks?
Hitcher
9th June 2005, 20:31
Has a beer crate been mentioned yet?
Does beer still come in crates?
Pixie
9th June 2005, 20:47
Occasionally a fart would escape and go floating off, and my special treat was to be allowed to chase after, capture and return it.
.
I believe this occurance was the inspiration for the Ren and Stimpy episode
"son of Stimpy",where Stimpson 'gives birth 'to a stinky son who goes missing and is later found frozen in a block of ice.
The Japanese spirit level industry has developed a synthetic weasel fart composed of a secret mixture of noble gasses,predominantly triton,which glows in the dark.
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