Hybrid

Just some fun to show. Links, pics or movies.

Moderator: minetymenace

Do you think this topic should be on this forum (1 = Yes, 10 = No)

1. Yes
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2.
1
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3.
1
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4.
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5. Maybe.
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6. Maybe Not
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7.
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No votes
8.
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No votes
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No votes
10. No way.
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Total votes: 38

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Sam
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Re: Hybrid

Post by Sam » Sat Aug 27, 2016 12:05 pm

Hi Beat,

The caliper has not been set up yet, the rose joints had been screwed in fully and still had half nuts to be put on, also the rear mount only has a single tack holding it in place, I have already moved the mount to suit the new position of the header pipes. it seems to me as if you have gone from a floating caliper setup wont work to it is a feasible solution? or am I reading your posts incorrectly. :???:

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Re: Hybrid

Post by beat » Sat Aug 27, 2016 8:38 pm

HPbyStan wrote:Floating caliper worked well flattracking.
where was the torsion bar fitted on the other side ??
was this break ever used whilst the race ore was it just there to satisfied the tecnik rules ??
Sam wrote: a floating caliper setup wont work to it is a feasible solution?
the floating caliper was commonly used on early brackedisks where the caliper was a one piston only caliper.
today almost any caliper has one piston on each side of the disk, so no need of a floating fixation.
nearly any modern bike has two calipers on the front fork and none of them is floating.
same on the rear, none is floating BUT all calipers are two ( ore four) piston calipers.

the point is where to go with the torque is coming up whilst using brake on a floating fix.

with a real parallelogramm: OK
with a straight fix to the frame in state to the swing arm: BAD

actualy, the caliper should never ever do any rotating movements around the centre as the wheel is doing.
with a fix to the frame, it will do it when suspension is in move.

if it could float, it should float sideways to give the disk surely free whilst brake released and making save there is a evan press to the disk from both sides.

IMO, the additional weight the torsion bar is bringing is never worth the gain a floating caliper is bringing.

isn't really the sense of your floating caliper the problem coming up when rear chain will need adjusting and the caliper should fallow the axle / brakdisk :?: :?:

beat <017 <017

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Re: Hybrid

Post by Sam » Sun Aug 28, 2016 8:00 am

Try translating the quoe I posted this may give you a better understanding of the principle of the floating caliper which is not what you state in alowing the caliper to float sideways. As for the weight of the torsion bar it is much lighter and stronger than the standard part.. i have made it from 19mm o/d 1.5 wall T45 tubing.

Sam

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Re: Hybrid

Post by beat » Sun Aug 28, 2016 8:22 pm

Sam wrote: the floating caliper which is not what you state in alowing the caliper to float sideways.
I see this floating fix isn't made to float sideways, yes.

I can not see is the caliper a two piston model ore not ??
if yes, it surely dos NOT need a sideway float.
skippy wrote:It would be interesting to see how it would go on our corrugated roads.
this is the point.

just do it finely as you like it and go out on a bumpy bendy road. best is by wet surface of the road.
lay the bike in to the corner and use rear break whilst jumping over the bumps.
the vehicule will tell you soon the floating fix of the caliper is a good choice ore not.

beat

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Re: Hybrid

Post by Sam » Sun Aug 28, 2016 9:17 pm

This will be used on the road not on the dirt or off road, if you care to translate Tony Foales theory into the whole setup you will see that it has been well documented and researched,
im not here to convince you or anyone else on this as being the ultimate setup ( i can see the benefits even if it was in brail) I know this works and have already tried it before which resolved a problem I have encountered in hard road use. I dont know your background or what you are about but to date you have not convinced me otherwise.... maybe you just like a debate ! :smile:
Why the feck I would head out onto a bumpy road in the wet and apply the back brake leaning into a corner confuses me :!: Im 110% confident it would spit you off torque arm attached to the swing arm or not with floating caliper or not. Caliper is twin piston btw.

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Re: Hybrid

Post by beat » Mon Aug 29, 2016 8:29 pm

well sam, it is your bike, - go your way, I wishes you good luck.

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Re: Hybrid

Post by Sam » Tue Aug 30, 2016 6:59 am

beat wrote:well sam, it is your bike, - go your way, I wishes you good luck.

Cheers !

https://www.youtube.com/watch?v=6ul-cZyuYq4

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Re: Hybrid

Post by Sam » Thu Sep 01, 2016 3:47 pm

Revised oil feed and scavange oil lines.

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Re: Hybrid

Post by stew79 » Thu Sep 01, 2016 5:04 pm

looking good sam, but, you could have the shock top mounts in the frame, instead of out side. husky mx bikes have a wider bottom spread than top and look great. i used the same setup on a 500 H*nda flat track bike i made from scratch some years ago.(for a paying customer) chain was still clear of spring but just looked better with the tapper.
stew

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Re: Hybrid

Post by Sam » Thu Sep 01, 2016 5:24 pm

I spoke to the guy at Hagon about that he said it would be better if they run parallel , I did have them inward at the beginning and it was going to cause problems with the chain due to the position of the ahem! motor. It does not look so rediculous with the seat and hugger in position.

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Re: Hybrid

Post by minetymenace » Thu Sep 01, 2016 5:52 pm

If they were tapered, would you get a sort of progressive spring and damper?
There is no evidence to support the notion that life is serious.
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Re: Hybrid

Post by Sam » Sat Dec 17, 2016 7:57 am

Ta da!
Dry build complete hopefully get stripped down over the holiday period and off to the coaters to add some colour.

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Re: Hybrid

Post by Barry Creary » Sat Dec 17, 2016 2:03 pm

Like :thumb :thumb
:thumb

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Re: Hybrid

Post by stew79 » Sat Dec 17, 2016 5:19 pm

hi sam, looking good. back mud guard, and light ?
stew

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Re: Hybrid

Post by HPbyStan » Sat Dec 17, 2016 5:53 pm

Sam wrote:This will be used on the road not on the dirt or off road, if you care to translate Tony Foales theory into the whole setup you will see that it has been well documented and researched,
im not here to convince you or anyone else on this as being the ultimate setup ( i can see the benefits even if it was in brail) I know this works and have already tried it before which resolved a problem I have encountered in hard road use. I dont know your background or what you are about but to date you have not convinced me otherwise.... maybe you just like a debate ! :smile:
Why the feck I would head out onto a bumpy road in the wet and apply the back brake leaning into a corner confuses me :!: Im 110% confident it would spit you off torque arm attached to the swing arm or not with floating caliper or not. Caliper is twin piston btw.
I have at least one book by Tony Foale on my chassis design shelf. He seems like a pretty sharp dude to me.

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Re: Hybrid

Post by Sam » Sat Dec 17, 2016 6:02 pm

HPbyStan wrote: I have at least one book by Tony Foale on my chassis design shelf. He seems like a pretty sharp dude to me.

What I like about Tony Foales book is he explanes different theorys by example and quotes his findings, and not stating this is how it should be but leaves the reader to make up his own mind from his findings.

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Re: Hybrid

Post by Sam » Sat Dec 17, 2016 6:08 pm

stew79 wrote:hi sam, looking good. back mud guard, and light ?
stew
Rear Light

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Mud guard is not needed for an mot the rear subframe is paneled in with aluminium doubling to hold the electrics. When its painted ill slit small dia tube to rest over the edge and up against the frame tubes to seal from water, ive left 2mm gap between the panel and frame.

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Re: Hybrid

Post by stew79 » Sat Dec 17, 2016 8:51 pm

that finishes it of great :thumb

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Re: Hybrid

Post by minetymenace » Sat Dec 17, 2016 8:51 pm

Hope you have a sheet od AV rubber between the battery and that metal panel, they rub like a bar steward if not rigid or cushioned.
All you need is a tiny little bracket for the m-box programming push switch....
There is no evidence to support the notion that life is serious.
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Re: Hybrid

Post by Sam » Sat Dec 17, 2016 10:06 pm

minetymenace wrote:Hope you have a sheet od AV rubber between the battery and that metal panel, they rub like a bar steward if not rigid or cushioned.
All you need is a tiny little bracket for the m-box programming push switch....
i have a rubber sheet to be bonded in place after painting.

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Re: Hybrid

Post by Sam » Fri Feb 17, 2017 5:09 pm

Motor complete and bolted in place, fitted a re-prifiled Joy cam, ported the head, squish down to .040 new rings and Timing chain.

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Hopefully get the wiring done over the weekend.

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Re: Hybrid

Post by stew79 » Fri Feb 17, 2017 9:24 pm

looking good sam, i havent had that "good feeling" of a bike coming back together for many years.
stew
ps the picture dose remind me a bit of the H*nda ft500 ?

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Re: Hybrid

Post by Sam » Fri Feb 17, 2017 10:39 pm

Cheers, it will change its looks when dressed. :smile:

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Re: Hybrid

Post by minetymenace » Sun Feb 19, 2017 9:06 pm

Forward facing prop stand is not exactly fail safe :shock:
There is no evidence to support the notion that life is serious.
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Re: Hybrid

Post by Barry Creary » Sun Feb 19, 2017 9:27 pm

Yes Minety I have the same though :shock: :shock: but it still looks good :thumb :thumb

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Re: Hybrid

Post by Sam » Sun Feb 19, 2017 9:37 pm

minetymenace wrote:Forward facing prop stand is not exactly fail safe :shock:

Put it this way... if I hank that on the road im already off !

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Re: Hybrid

Post by LONGSTROKE » Mon Feb 20, 2017 10:48 am

I don't think Minety thought you'd lay the bike over far enough to ground the prop stand <201 If the spring brakes allowing the stand to drop it could launch you ;-)

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Re: Hybrid

Post by Sam » Mon Feb 20, 2017 11:16 am

Im fully aware of that...just my sense of twisted humour. ;-)
There is a double spring on the stand one inside the other, there was no other way I could have fitted a side stand other than the positon it is in. I would have had to add a lower cradle to the frame. I looked at fixing the stand to the swing arm but due to chain and torsion arm that was not possible either and there is no room for a centre stand due to exhaust positon.

Sam

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Re: Hybrid

Post by LONGSTROKE » Mon Feb 20, 2017 9:18 pm

I see you cut the original side stand bracket off early in the project, maybe with a bit off fettling of the exhaust run it could of been incorporated, however I like the run off your exhausts :smile:

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Re: Hybrid

Post by Sam » Mon Feb 20, 2017 9:33 pm

I had two attempts at the exhaust already and happy with how it is now, if I was to move or re design the exhaust that would then become the concern for grounding. The hotel is booked for Kinlochleven pre-65 trial at the end of April so no going back now.

Sam

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Re: Hybrid

Post by Mark Cook » Mon Feb 20, 2017 10:52 pm

A lot of work and looking good, will be good to read about your experience with the rear brake. Some manufacturers have swapped back and forth with tied or floating so I guess it's a case of suck it and see. Just take it steady to start with.
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Re: Hybrid

Post by Sam » Mon Feb 20, 2017 11:01 pm

Mark Cook wrote:A lot of work and looking good, will be good to read about your experience with the rear brake. Some manufacturers have swapped back and forth with tied or floating so I guess it's a case of suck it and see. Just take it steady to start with.
Cheers, it will be run in and tested by the first corner ! :lol:

Sam

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Re: Hybrid

Post by Sam » Sat Mar 11, 2017 7:17 pm

Almost there, had it fired up the other day. https://youtu.be/C5_J1MegDPg

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Re: Hybrid

Post by beat » Sun Mar 12, 2017 8:12 pm

nice starter motor it is on this engine....

would like to have one <205 <205

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Re: Hybrid

Post by Sam » Mon Mar 13, 2017 5:33 am

Nice carbs as well. :smile:

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Re: Hybrid

Post by beat » Mon Mar 13, 2017 8:13 pm

Sam wrote:Nice carbs as well.
yes, - from the best it dos exist :!:

beat :thumb

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Re: Hybrid

Post by Sam » Wed Mar 29, 2017 5:19 am

stew79 wrote:hi sam, 1 mm on 400 and 600. the 600 has a wiseco 12;1 piston (it was cheap of ebay) but i took 1 mm of the raised top to run it on super unleaded. there is a yam quad with a similar engine that has a 2 into 1 inlet manifold, but it looked too long. i made mine from a block of ally on the mill.
stew

Hi Stew,

Had the bike on the dyno for an hour yesterday, managed 48 bhp at the back wheel. :thumb

https://youtu.be/v2BA8PXY8xc

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Re: Hybrid

Post by stew79 » Wed Mar 29, 2017 11:44 am

great stuff sam :thumb just dont wear out them soft yam gears ! (quality control issue)

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Re: Hybrid

Post by Sam » Thu Apr 13, 2017 10:42 am

Passed its mot no problem,Handles well nice and firm on the road and stops on a sixpence, carburation almost there another wee run to sort out.

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Re: Hybrid

Post by midgie » Thu Apr 13, 2017 11:06 am

looks great cracking job.

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