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Message started by jcstokes on 05/03/16 at 14:45:03

Title: Bobber Lovers
Post by jcstokes on 05/03/16 at 14:45:03

Bobber Lovers go to www.trademe.co.nz and put 1065792322 into the search box to see a fancy bobber. Apparently it has the rare to Americans 400cc engine. The asking price contradicts the term Bobber. I don't know about cutting and pasting and stuff, I can only provide the listing.

Title: Re: Bobber Lovers
Post by Dave on 05/03/16 at 15:10:26

Well it is snazzy looking - but I don't imagine it gets ridden very far from home.  I guess you have to move the carb into an unnatural position to make room for you to sit a 18" above the ground......sure doesn't look comfortable to ride.

http://i64.tinypic.com/oiyse1.jpg

Title: Re: Bobber Lovers
Post by Paladin. on 05/03/16 at 15:56:18

I like bobbers.  That thing is a chopped piece of ridiculous useless motorcycle.

Title: Re: Bobber Lovers
Post by Serowbot on 05/03/16 at 17:02:56

Looks like a similar riding position to a Big Wheel...

http://originalbigwheel.us/images/MarxBigWheel400.jpg

Title: Re: Bobber Lovers
Post by Art Webb on 05/03/16 at 19:45:22


13222F22272A2D430 wrote:
I like bobbers.  That thing is a chopped piece of ridiculous useless motorcycle.

Indeed, it is NOT  a bobber
Bobbing a bike doesn't include modifying the frame, it's lightening the parts, with the avowed intention of making it perform better
That motorcycle is a custom, and a barely rideable one
in truth, it's butt jewelry

Title: Re: Bobber Lovers
Post by justin_o_guy2 on 05/03/16 at 20:35:16

I laugh when I see a pickup lowered and on those one inch sidewall tires. Useless.
Just like that bike.

Title: Re: Bobber Lovers
Post by Kris01 on 05/03/16 at 21:14:40

JOG, ever seen a lowered Jeep Wrangler with 30" wheels and low profile tires?  ::)

Title: Re: Bobber Lovers
Post by justin_o_guy2 on 05/03/16 at 21:33:22

Naww, maan, naawww, say it ain't so.

There's a four door chevy in town. I giggle every time I see it.
Looks like a life size version of something that you would get out of a Cracker Jack box.

Title: Re: Bobber Lovers
Post by old_rider on 05/03/16 at 21:36:22

It is like riding a bike with big tall ape hangers.... only you lowered your body, and didn't raise the bars.
Pretty much that riding position... fella at the Thunder beach had one, his head was above the bar line so he had good view of the road, just sat lower with hands above/equal to shoulder height.

Title: Re: Bobber Lovers
Post by DesertRat on 05/03/16 at 23:10:53


13222F22272A2D430 wrote:
I like bobbers.  That thing is a chopped piece of ridiculous useless motorcycle.




one person opined


Title: Re: Bobber Lovers
Post by DesertRat on 05/03/16 at 23:15:00

BEAUTIFUL bike .. jockey shift too ... I'd ride it if I built it ...

http://trademe.tmcdn.co.nz/photoserver/full/471206408.jpg

.. jockey shift too ...

http://trademe.tmcdn.co.nz/photoserver/full/471206472.jpg

and look at this intake and exhaust routing (diesel flapper too) ... GORGEOUS

http://trademe.tmcdn.co.nz/photoserver/full/471206507.jpg

DUAL skate wheel tensioners ....

http://trademe.tmcdn.co.nz/photoserver/full/471206709.jpg

Title: Re: Bobber Lovers
Post by gizzo on 05/04/16 at 00:27:17

I think it's cool. Who says it has to be practical to be worthwhile? I like women in thigh high stiletto root me boots, and they can't run for sh.. in those things.

Title: Re: Bobber Lovers
Post by jcstokes on 05/04/16 at 02:31:14

It may be a piece of shite, it may be "cool", horrible little word. I'm not shelling $NZ12000 to buy  it I'll stick with what I've got.

Title: Re: Bobber Lovers
Post by Dave on 05/04/16 at 03:44:47

Jockey shift as well? :o

Now I am sure that it is un-rideable.....and is a static display.

Title: Re: Bobber Lovers
Post by Art Webb on 05/04/16 at 07:19:08


507167716660467560140 wrote:
[quote author=13222F22272A2D430 link=1462311905/0#2 date=1462316178]I like bobbers.  That thing is a chopped piece of ridiculous useless motorcycle.




one person opined

[/quote]
actually several have called it useless, unrideable to this crowd basically means useless
it is pretty, but that's all it's got going for it

Title: Re: Bobber Lovers
Post by Art Webb on 05/04/16 at 07:23:30


372D292B2A14253630362D202321440 wrote:
I think it's cool. Who says it has to be practical to be worthwhile? I like women in thigh high stiletto root me boots, and they can't run for sh.. in those things.

No, but they can still dance, this one can't dance
this is more like a mannequin in thigh high stiletto heels with some sound effects  ;D

Title: Re: Bobber Lovers
Post by DesertRat on 05/04/16 at 07:26:31


it is a nice build ... he even managed to "fix" the Suzuki engineers lack of design aesthetics with the belt/chain guard - made it puuurrrdier ...

http://trademe.tmcdn.co.nz/photoserver/full/471206709.jpg

Title: Re: Bobber Lovers
Post by verslagen1 on 05/04/16 at 07:34:11

A couple more tries and they'll figure out what to do with the electrics.

Title: Re: Bobber Lovers
Post by justin_o_guy2 on 05/04/16 at 08:01:53

Having done some building and fabrication I can appreciate the job done. I think it's rideable, but, not My style of riding. It'll get ya there, as long as it's not challenging traffic or too far. You ain't gonna be hauling anything home with it, unless you can get a bag on the sissy bar and not wreck the signals. It's pretty and if I saw it somewhere I'd spend time gawking at the details. Everything on it was labor intensive. I would never spend that much time and money on something that I was basically just gonna look at and show off, but that's just me.
On the upside, wouldn't hafta look down much to see the speedo.

Mannequin, with sound effects.. that's good.
Unless there is something inside the exhaust that we can't see, it probably runs like crap.
I expect the tires to dry rot.

Title: Re: Bobber Lovers
Post by DesertRat on 05/04/16 at 08:18:43


2D3E2928373A3C3E356A5B0 wrote:
A couple more tries and they'll figure out what to do with the electrics.





personally, I would have contemplated running the wiring through the frame

Title: Re: Bobber Lovers
Post by gizzo on 05/04/16 at 14:17:30

Hey, at least the existence of wiring indicates that it runs and therefore maybe it could be ridden.....cool, that's cool.

Title: Re: Bobber Lovers
Post by jcstokes on 05/05/16 at 00:19:40

I'm still not paying $NZ12000, even if there was a fifty five to sixty year old female in thigh high stiletto boots thrown in.

Title: Re: Bobber Lovers
Post by DesertRat on 05/05/16 at 08:41:08


I'm with you jcstokes ...

It's purdy, but no way I would drop $12,000 NZ ($8277.42 U.S.) on that 400cc bike.

Title: Re: Bobber Lovers
Post by gizzo on 05/07/16 at 04:59:15


4A4353544F4B4553200 wrote:
I'm still not paying $NZ12000, even if there was a fifty five to sixty year old female in thigh high stiletto boots thrown in.


Title: Re: Bobber Lovers
Post by Kris01 on 05/07/16 at 07:10:17

I'm sure the frame is as solid as a rock but every time I look at it, it looks like the bike would break in half. I guess it's the angles or something.

Title: Re: Bobber Lovers
Post by DesertRat on 05/07/16 at 09:28:33




073E253F7C7D4C0 wrote:
I'm sure the frame is as solid as a rock but every time I look at it, it looks like the bike would break in half. I guess it's the angles or something.





center post, just behind the seat ...  ;)

http://suzukisavage.com/cgi-bin/YaBB.pl?num=1462311905/16#16

Title: Re: Bobber Lovers
Post by badwolf on 05/07/16 at 09:51:22

How long do you think those chain rollers would last? A spring loaded roller on the bottom would be bad enough when you back off, but one on the power side would just throw chain lube & self destruct.
Rollers belong on derby girls skates!
A friend built a ''show'' sportster and gold plated the front disc. Looked great, but when he wanted to ride it later asked me why the front brake didn't work worth a crap? DUH!!!
Again, gold belongs on girls piercings, not your brake disc.

Title: Re: Bobber Lovers
Post by Kris01 on 05/07/16 at 10:07:29

DR, it's just at first glance it looks like that. If you really look at the tubing, it looks reinforced enough.

On a side note, a friend of mine when we were probably 9-10 years old was riding my brothers bicycle and the front fork weld broke and dumped him in the street along with a 2-piece bicycle!  ;D

Title: Re: Bobber Lovers
Post by HovisPresley on 05/07/16 at 12:48:43

http://i67.tinypic.com/5esj12.jpg

Title: Re: Bobber Lovers
Post by DesertRat on 05/07/16 at 14:21:02




7173607E60627A737B60120 wrote:
How long do you think those chain rollers would last? A spring loaded roller on the bottom would be bad enough when you back off, but one on the power side would just throw chain lube & self destruct.
Rollers belong on derby girls skates!
...




what's an ALTERNATIVE solution?

Title: Re: Bobber Lovers
Post by jcstokes on 05/07/16 at 15:27:52

Hovis, I could very well be wrong, but I think the bike in your photo may be a four cylinder Belgian FN.(Fabrique National)

Title: Re: Bobber Lovers
Post by WD on 05/07/16 at 22:39:45


08293F293E381E2D384C0 wrote:
[quote author=7173607E60627A737B60120 link=1462311905/15#26 date=1462639882]How long do you think those chain rollers would last? A spring loaded roller on the bottom would be bad enough when you back off, but one on the power side would just throw chain lube & self destruct.
Rollers belong on derby girls skates!
...




what's an ALTERNATIVE solution?[/quote]

Primary chain Delrin "slippers" you would normally find in nose cone (1970 and newer) Big Twins.

Or use stainless steel sprockets. No muss, no fuss, no cut-abraded-melted plastic debris on the frame.

Title: Re: Bobber Lovers
Post by Dave on 05/08/16 at 04:00:09

I have wondered about the durability of the skate board wheels for a long time.....are they functional on a bike that is really ridden?  Those tiny things have to spin awful fast when you are cruising down the interstate!

Title: Re: Bobber Lovers
Post by badwolf on 05/08/16 at 05:49:13

Let's see, my Kaw pulley's outside belt dia is about 12'', my r tire circ is 78''.
5280' x 12 = 63360'' per mile (or per min at 60mph)
63360 / 78 = 812.31 rpm
12'' x 3.14 =37.68'' x812.31 rpm = 30607.8'' per min
2'' dia wheel x 3.14 = 6.28''
30607.8 / 6.28 = 4,873.8 rpm
63360 / 30607.8 = 2.07
60mph / 2.07 = 28.98 mph

So at 60 mph a skateboard wheel running on my belt would be turning 4,873.8 rpm equal to a skateboard doing 28.98 mph.
Skateboarders wear out wheels doing 10 -15 mph. They may hit 29 mph on a BIG hill or ramp, but not for long.
Conclusion = Again, 2'' wheels belong on Derby girls skates, not m/c drivetrains!

Title: Re: Bobber Lovers
Post by DesertRat on 05/08/16 at 06:59:06


I was contemplating using Delrin, possibly having someone lathe down some round stock I have in the shape and specs of a skate wheel.

or something along the lines of the 80's model Husqvarna motorcycle tensioners.

http://i23.ebayimg.com/01/i/000/d8/89/8118_12.JPG?set_id=7

Title: Re: Bobber Lovers
Post by DesertRat on 05/08/16 at 07:06:32


the slider style looks interesting:

http://img.jpcycles.com/zoom/562-828_A.jpg

so does the weld-on sprocket style:

http://i.ebayimg.com/images/g/NvAAAOSwxH1UL03Z/s-l1600.jpg

but my favorite has to be the skate wheel:

http://i.ebayimg.com/images/g/ZBQAAOSwv9hW3fGu/s-l500.jpg

Title: Re: Bobber Lovers
Post by Serowbot on 05/08/16 at 07:53:30

All that modding, and he kept the stock tank...
I like the stock tank.  ...don't know why we knock it so much.
It's a nicely shaped tank.

Cheers to him for that. 8-)

Title: Re: Bobber Lovers
Post by justin_o_guy2 on 05/08/16 at 08:35:58

Maybe he realized he had a million hours in it.
Maybe he started wondering if he could continue to even Call it a Savage if nothing was a Savage but the motor.

Title: Re: Bobber Lovers
Post by badwolf on 05/08/16 at 12:25:35

The Husky tensioners were on long travel rear suspensions that developed a lot of slack and were on the bottom side. On the power side they won't last long. They got rid of the problem by moving the drive sprocket close to or on the swingarm pivot.
Bikes use tensioning pulleys or gears built-in to the derailleurs. They wear out after a few thousand miles and never have any real power or stress on them.
A pulley or slide on the rear drive chain is a patch or weak point fix to a problem that should never been designed into the drive train to start with.

Title: Re: Bobber Lovers
Post by DesertRat on 05/08/16 at 14:24:19



so, how do you address these aftermarket frames and weld-on sub-frames that actually NEED these tensioners to get the chain to clear cross bar supports?


http://4.bp.blogspot.com/-rPfumWgjLMg/Uo1xk-uP8uI/AAAAAAAABw4/NbfZXUi19Ig/s1600/aQqXpx8_460sa.gif

Title: Re: Bobber Lovers
Post by badwolf on 05/08/16 at 15:03:55

Rat, On show bikes, it does not matter. Most of them will never be ridden 100 miles total.
On a bike you intend to actually ride, I would be very cautious about the engineering behind such mods. Your vid is a drag bike, most of which run rigid in the rear. The chain does not stretch. Either the chain is not properly adjusted, or their is flex in the system.
If the bike in the vid has suspension,  the chain is getting slack as it compresses. Perhaps jacked down to start with the swingarm straight with the front sprocket, and loosening as the suspension compresses. A good engineer would not design it that way. The tight point should be at the half way point. Or the swingarm pivot should be closer to the front sprocket.
Problems like this are what make radical conversions of m/c's so hard.(or fun)
Like trying to carry apples in a egg crate, you can do it,,,BUT, it's a lot easier to use a apple crate.

Title: Re: Bobber Lovers
Post by Kris01 on 05/08/16 at 15:04:04

Wow! That front tire barely stays on the ground the whole length of the track!  :o

Title: Re: Bobber Lovers
Post by badwolf on 05/08/16 at 15:20:11

Using a spring loaded tensioner on a long travel conversion might be necessary sometimes, it would be messy(slinging chain oil all around) and a high maintenance item.
On a normal travel road bike their should never be a need for one.
If it was needed on a custom bike on the power side, the best bet would be a solid mounted sprocket. Enclosed preferably. And check the bearings often. But please don't even think about it on a drag, or high performance bike.

Title: Re: Bobber Lovers
Post by DesertRat on 05/08/16 at 15:25:02

how do we clear the rear crossbar supports on all these rigid aftermarket frames and weld-ons without a chain tensioner?


this one is sweet -
http://cdn.shopify.com/s/files/1/0895/8336/products/Triumph-Classic-models-Dynamic-chain-tensioner-red-india_1024x1024.gif?v=1442574286
http://firstracer.surinternet.com/WebRoot/LaPoste2/Shops/box22720/51E9/77A8/30CF/9F2A/E27E/0A0C/05E7/6A77/307550s_free_spirits_tendicatena_dinamico_per_triumph_classic.jpg

Title: Re: Bobber Lovers
Post by HovisPresley on 05/12/16 at 22:22:44

I came across the video of this build:

https://www.youtube.com/watch?v=qz4eNl3EV3A

Title: Re: Bobber Lovers
Post by jcstokes on 05/13/16 at 01:18:45

Very interesting video Hovis, the bike isn't on Trade Me anymore so he may have succeeded in selling it.

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