Race chassis

[Grumph]

Cheers i should have picked that. Not that i could have spelled it.
re the plate frame, I missed that, it looks like a very long 8mm bolt as well.
That all cast Shepard frame sure looks beautiful through.

The strength of cast frames always worries me. Getting sections thin enough to be light enough is always a juggling act - which can easily backfire.
Being in NZ - historically a very long way away from parts suppliers - has always made me sensitive to the crash worthiness of anything I build.
A frame which is a one season lightweight or won't survive a trip down the road is a non starter here IMO.

I looked at that suspension pickup and shuddered - Practise at Wanganui would break it IMO....I'm told two LCR sidecars had suspension breakages there this year.

[husaberg]

The strength of cast frames always worries me. Getting sections thin enough to be light enough is always a juggling act - which can easily backfire.
Being in NZ - historically a very long way away from parts suppliers - has always made me sensitive to the crash worthiness of anything I build.
A frame which is a one season lightweight or won't survive a trip down the road is a non starter here IMO.

I looked at that suspension pickup and shuddered - Practise at Wanganui would break it IMO....I'm told two LCR sidecars had suspension breakages there this year.

Belts and braces
Don't go adding reality.
that said those Castech hondas seem to have survived all right.

My berg has a spare swingarm i have yet to add but its a very light hollow all cast alloy swingarm made by Renthal supposed to be 1 kg lighter (its a 2001 modification )

Most modern bikes are made of multiple cast sections welded to beam anyway, i see it being done with tube sections either steel alloy or Carbon fibre in between like a modern version of a lugged frame

Plus there is some pretty exciting stuff being done with high tech Mg alloys now, it turns out they never really did much research back in the day.
http://www.cycleworld.com/2013/10/08...gnesium-part-2
Even one of the new Beemer engines has a partial Mag alloy block
http://www.cycleworld.com/2013/09/10...ium-corrosion/
http://www.mwerks.com/artman/publish...nter_960.shtml

[Grumph]

Husqvarna did at least one prototype frame with cast lugs and glued in tube. Pretty sure the castings were magnesium and the tubes may have been carbon fiber but memory....I do remember a picture of the bike in two halves held together by the cables....That was a fail.

[husaberg]

Husqvarna did at least one prototype frame with cast lugs and glued in tube. Pretty sure the castings were magnesium and the tubes may have been carbon fiber but memory....I do remember a picture of the bike in two halves held together by the cables....That was a fail.

The origional tigcraft frame that later went into productions as a MZ Skorpion had a glued frame. It used a lockite product ,the production model was pinned and maybe welded as well.

The Skorpion was the result of an international collaboration, being conceived by British design firm Seymour Powell. The Skorpion's engine, electrics and switches came from the Yamaha XT660, with Italian Grimeca parts including brakes, forks and rear suspension. The strong tubular beam frame was unusual in using aircraft adhesives to save weight but production versions came with a welded frame. Skorpions were well-specified as standard, with adjustable bars and footpegs, alloy wheels, stainless steel silencer, rear hugger fender, and braided brake lines. Some early Skorpions were fitted with an Austrian Rotax engine.

What name do I address you by?.

I've tried a few different ways with the Headstock intake. The method you perfectly reasonably suggest comes out heavy as the box needs to be structural whereas the one on my Moto3 is made in 2mm 5083 alu riveted to the waisted fabricated (5 pieces) headstock. I made the duct /front fairing bracket in 1050 soft alu then took a mould and had a couple made up in carbon.

That 2mm 5083 subframe is real easy to make. I have NO metal forming stuff so I just form it over a convenient block of wood with a large soft mallet. At the 2nd race the bike had a horrendous crash (Both wheels knackered+ all the normal stuff) The subframe was useable later in the day.

I almost forgot the David had previously posted here
Please share the details on the glued frame...

[mr bucketracer]

looks like a goose

[husaberg]

looks like a goose

A little bit i guess


ps I put my RD250 frame cafe project into a DIY electrolysis tank today today.
Die rust die.....
So have you started on my TZ350A tank and seat yet?

[mr bucketracer]

A little bit i guess


ps I put my RD250 frame cafe project into a DIY electrolysis tank today today.
Die rust die.....
So have you started on my TZ350A tank and seat yet?

i need to make my honda tank seat first , you could not work out what my new bike was anyway lol

[husaberg]

i need to make my honda tank seat first , you could not work out what my new bike was anyway lol

Just as long as you make the TZ fuel tank and seat i will be happy.

I never knew i was meant to give the game away on the build?
It looks like you mocked/mucked up the air intake into the exhaust port.

[Michael Moore]

Another bonded frame was the one on the Lito X-cam scrambler:







cheers and Happy New Year (less than an hour old in San Francisco)

Michael

[mr bucketracer]

Just as long as you make the TZ fuel tank and seat i will be happy.

I never knew i was meant to give the game away on the build?
It looks like you mocked/mucked up the air intake into the exhaust port.

looks easy to make , moto 3 mate

[mr bucketracer]

have you got a tz bike hus ?

[husaberg]

have you got a tz bike hus ?

nah just an old RD350.

[Grumph]

nah just an old RD350.

You are aware that Dave Morris in Invergiggle sells a range of TZ seats on tardme ?
It's good quality too.

[husaberg]

You are aware that Dave Morris in Invergiggle sells a range of TZ seats on tardme ?
It's good quality too.

Yip but oddly not the A/B/C seat

[cotswold]

Spotted this on face plant