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Changing your Monster's frame geometry!!

Started by cbrown, October 14, 2008, 10:50:32 AM

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cbrown

I found a pretty easy way to get a bit steeper steering angle:

1)accelrate and maintain a speed of no less than 60 mph.
2)slide bike into wall.

It really works!  I'm not sure if those cracks are bad though...


swerdna

Genius! I've been looking for a way to do this.

Does this belong in "Accessories and Mods?"  ;D

Spidey

Yeah, that'll definitely turn in faster.  

Fack.  You ok, mang?
Occasionally AFM #702  My stuff:  The M1000SS, a mashed r6, Vino 125, the Blonde, some rugrats, yuppie cage, child molester van, bourbon.

El Matador

Quote from: cbrown on October 14, 2008, 10:50:32 AM
I found a pretty easy way to get a bit steeper steering angle:

1)accelrate and maintain a speed of no less than 60 mph.
2)slide bike into wall.

It really works!  I'm not sure if those cracks are bad though...



Holy shit dude, what happened? are you ok?

cbrown

Very lucky... minus a bruised right nut (smashed the tank I suppose) and a silver dollar sized bit of roadrash on the hip, I'm fine.  ALWAYS WEAR YOUR GEAR!

I was out for a ride and simply pushed it too far (soo retarded).  Bike lowsided and front tire hit a wall.

Damage list:
Frame? ha
front wheel completely buckled
both front rotors
the forks appear to be straight

hmmmmmm what to do...............................

GLantern

Quote from: cbrown on October 14, 2008, 11:03:28 AM
Very lucky... minus a bruised right nut (smashed the tank I suppose) and a silver dollar sized bit of roadrash on the hip, I'm fine.  ALWAYS WEAR YOUR GEAR!

I was out for a ride and simply pushed it too far (soo retarded).  Bike lowsided and front tire hit a wall.

Damage list:
Frame? ha
front wheel completely buckled
both front rotors
the forks appear to be straight

hmmmmmm what to do...............................

Avoid those walls.  Glad your alright!
"Just ride and never ever look back"


www.suspectsunlimited.com

Spicoli

That looks like a manufacturer defect....

"I was just riding along and my headtube broke off"  ;D
Life's too short to be taken seriously.
'09 Triumph Speed Triple, flat black

Spidey

Quote from: cbrown on October 14, 2008, 11:03:28 AM
the forks appear to be straight

If you snapped the frame and taco'd the front wheel, I wouldn't be too optimistic about the forks or the triples.  Either way, the bike is gonna be totalled id you go through insurance.  If you're looking to salvage it on your own, also be sure to check around the engine where the engine bolts go.  Those cast pieces can often crack and are easy to miss.  Glad you're ok minus a bit of nut trauma.
Occasionally AFM #702  My stuff:  The M1000SS, a mashed r6, Vino 125, the Blonde, some rugrats, yuppie cage, child molester van, bourbon.

Pedro-bot

Quote from: cbrown on October 14, 2008, 10:50:32 AM
I found a pretty easy way to get a bit steeper steering angle:

1)accelrate and maintain a speed of no less than 60 mph.
2)slide bike into wall.

It really works!  I'm not sure if those cracks are bad though...



Holey Rusted Metal!! No really, rusted metal.  :P

Sheesh, glad your' relatively OK. That sucks the big one though. You thinking of parting it out? Your bike looks like it's '02 or '03  M1000. If it's just your frame and wheel that need replacing you should be able to find both for under $1k on fleabay or this board, minus labor of course.
1999 M750 AKA Little Blue Monster, 2002 S4, 2006 Sport 1000, 2008 Sport 1000, 2005 749s, 2018 R NineT Urban GS

MotoCreations

Time for a new frame! (or modify your existing now)  Hopefully something this time that doesn't have your front tire / cylinder head clearance issue you have now...

Why do the welds break like this on Ducati's?  Heat Affected Zone (HAZ) due to the welding itself.  (The 1995/1996 Supersports were notorious for crack welds in the HAZ affected area)

Remember that when a weld is made, you essentially have three distinct areas affected:  the weld metal itself; the heat affected zone (HAZ) adjacent to the weld; and the base metal beyond the HAZ which has been unaffected by the welding operation itself.

In the HAZ area you have due to heating / cooling during the welding cycle itself, the properties of the metal change -- mostly due to crystallization and softening of the metal.  Most of the time this area becomes the "weak" point between the weld itself and the unaffected original material. (as pictured in the damage above)

Unfortunately due to the time/cost and materials used (and the welding process itself) in some production environments, the issue isn't addressed as it normally isn't a problem unless severe damages occurs. (ala above)  One way to eliminate the problem is via "Heat Normalizing" (via furnace) which is a process of heating all the metal and removing the stress as well as removing the HAZ area itself.  Very few people actually do this last step due to cost / time issues involved during manufacturing.

Oldfisti

Dude, that will buff right out!  ;D  Seriously though, glad you're ok.  ^^ Mark that's a nice little tidbid on welding tech.
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TAftonomos


Howie


Popeye the Sailor

Quote from: MotoCreations on October 14, 2008, 11:44:55 AM

Why do the welds break like this on Ducati's?  Heat Affected Zone (HAZ) due to the welding itself.  (The 1995/1996 Supersports were notorious for crack welds in the HAZ affected area)


I'm guessing the 60 MPH impact with a solid object.  :P
If the state had not cut funding for the mental institutions, this project could never have happened.

cbrown

I'm not too optimistic that the forks or triples are straight, but like I said, they sure look it.  Know of a easy way to check?

I'm probably not going through insurance mainly due to the fact that this 2000 m900 has none... is it too late to get a policy!?

I assumed I would need a new frame and have a few leads on them.  My existing one can't be repaired right?  Seems a little sketchy to repair damage like that.

What year frames will work?  94-02?

I'm having trouble deciding on turning this into a project, selling as is, or just parting it out.