Race chassis

[TZ350]

Here is a post of Danes, (March 09) that I found on another site. http://forums.autosport.com/topic/10...an-club/page-2



At one Finnish GP Siggi Schauzu used the long straight road between the circuit (which was actually closed-off public roads) and the Russian border as a test road for his sidecar outfit. The road was about 5 miles long and as straight as a die. Well, the Russians saw this silver bullet-like affair hurtling down the road towards them at the first of the border posts and actually shot at him... He came back to the paddock very shaken and showing us the scars on his fairing where the bullets had hit at an angle.

A funnier thing I remember about the GP in Finland are the "burning bogs". The toilets in the paddock were simply two 3ftx3ft wooden boxes (no doors, so I got a local spectator whom we knew from previous years to bring a couple of old sheets and nails and I made "doors" out of them) and a hole in the ground. Of course having over 150 riders plus their mechanics and other team members use them.. well the holes got filled up pretty quickly so you had to be careful where you stood. The floor was covered with crumpled up newspapers as "protection". Well, on the Sunday, after the race, Barry Sheene came round asking for petrol donations, just a few drops per team. 30 minutes later the loos were up in flames.

When the police (who were there all the time for some reason) made inquiries, we were all standing around and another of the most famous riders said, po-faced: "Well, I saw one of the police go in to the toilet smoking a cigarette. When he came out he didn't have the cigarette any more and the loos were suddenly in flames. Perhaps he dropped it on the newspapers on the floor...." I remember the policeman, the only one who spoke English, looking at him and waving his finger at him to and fro, saying "nooo, nooo, nooo"...
I actually have a newspaper cutting in my album, with a pic of the loos on fire, which our friend the spectator mentioned above sent me, together with a translation.

Must get back to my numismatics - I am currently translating a book on a certain type of ancient coinage, plus doing the last 100 coin identifications for a "coin ID customer" then adding more coins to wildwinds.com

So bye for the moment !
Dane

[husaberg]

Here is a post of Danes, (March 09) that I found on another site.

A funnier thing I remember about the GP in Finland are the "burning bogs". Barry Sheene came round asking for petrol donations, just a few drops per team. 30 minutes later the loos were up in flames.


So bye for the moment !
Dane

I have an idea it was Sheene who did the same in England as well.......
Bloody cheeky horny and a Pyro as well....

[Kickaha]

Your right Mike

That's the earlier Crescent triple sidecar and the Citroen it's on top off is what the Catvan was built around
http://www.yamahaclassictwostrokes.n...inder-sidecar/

[husaberg]

purty.

[BMWST?]

thats a lot of frame for a 250!

[husaberg]

thats a lot of frame for a 250!

if you click on the arrows it will lead to the Aprilia development story attached

Hello

I

I like

Shh ......its a secret

Italian Friday Aprilia RSV400

I assume the chassis is nearly identical. Are they?

Some more light able to be shed on this tasty little Italian Aprilia

[husaberg]

Yeah I'd kinda thought about Alchemy (ex pat, can't remember the name) but they use engine as a stressed where that shock pretty much needs (apart from its fairly unique length) to be where the frame spare or the tank is now. Non starter really despite being kinda cool.

Whats about this one..........http://www.kiwibiker.co.nz/forums/at...1&d=1388543358

[F5 Dave]

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Ok that's unique. Wonder how that works out as a linkage ratio, but that's pretty clever if it can Accommodate a reasonable rate.

[husaberg]

never seen one totally similar in concept....... although the Early RC125 and so forth had a cunning play on the twin shock with rockers but mounted conventionally the funny home made Maico engined thingy-maybobs had one similar to the honda as well i can't remember what they were called?

[Ocean1]

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Ok that's unique. Wonder how that works out as a linkage ratio, but that's pretty clever if it can Accommodate a reasonable rate.

Cute eh? Ratio driven by the angle between the top link arm a tangent to the rocker pivot. Rate of change driven by top arm length.

Wonder why they mounted the top arm half way up the rear frame tube there, would be stronger mounted in the old top shock mount position.

[husaberg]

Randomness scanner was on.......

Note that early works Yamaha set up Dave (pic 2 )eerily similar to the RS125 conversion i posted a while back......
http://www.kiwibiker.co.nz/forums/at...7&d=1386562645

[Grumph]

never seen one totally similar in concept....... although the Early RC125 and so forth had a cunning play on the twin shock with rockers but mounted conventionally the funny home made Maico engined thingy-maybobs had one similar to the honda as well i can't remember what they were called?

Don't know the bikes you're quoting but that layout is the inverse of one in a book on Motocross suspension i saw years back...

They ran twin shocks, fairly forward mounted, with the lower end on rockers pivoted on the fork legs and linked to the frame by radius rods on each side. link rods on a different radius to the fork leg gave a rising rate effect.

that inverted layout in the pic probably has less unsprung weight but IMO it's not as neat...and the suspension loads go to strange places.

[speedpro]

V2 Alchemy from Perth. Owned by Brook Henry. The first bikes were raced at Waneroo when I was living there. The interesting suspension setup with the shock to the side of the bike was designed by Rob Henry I think.

Rob was ex RNZAF Avionics, got out, got an engineering degree and pissed off overseas where he's been doing very well. Rob and I did a few miles in his ute going to race meetings here in NZ.

Rob's old man is/was a very clever dude as well with a very juicy Valiant charger (initially triple strombergs but then turbocharged) and a sweet 1275 mini with serious engine. Both in mint condition. He also had a Black Bomber and a hairy T500 beach racer.

[husaberg]

Ok the Motor was a bit poo but the Harris Chassis.........
followed by some other Harris stuff.
http://www.harris-performance.com/ac...ned_parts.html
http://www.harris-performance.com/ac..._Machines.html

[cotswold]

Probably been here before