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flag streetstyle
Posted: Dec 28, 2008 at 6:09 Quote
aceofspades wrote:
photo

2165081

Old Rocky RMX, new look.
flag aceofspades
Posted: Dec 28, 2008 at 6:23 Quote
streetstyle wrote:
aceofspades wrote:
photo

2165081

Old Rocky RMX, new look.

linkage aint exactly similar to rmxWink ...swing rotates around the bb.
flag streetstyle
Posted: Dec 28, 2008 at 6:43 Quote
aceofspades wrote:
streetstyle wrote:
aceofspades wrote:
photo

2165081

Old Rocky RMX, new look.

linkage aint exactly similar to rmxWink ...swing rotates around the bb.
Ahh didnt even catch that. slopestyle frame?
flag ben24
Posted: Dec 28, 2008 at 6:50 Quote
what program did you use?
flag ctd07
Posted: Dec 28, 2008 at 7:00 Quote
aceofspades wrote:
photo
2165081
nice slopstyle idea - how do you plan to attach the swingarm though? there's no bolts or bearings... is the bb removeable or something?
flag iliketodh
Posted: Dec 28, 2008 at 7:03 Quote
aceofspades wrote:
streetstyle wrote:
aceofspades wrote:
photo

2165081

Old Rocky RMX, new look.

linkage aint exactly similar to rmxWink ...swing rotates around the bb.
if the swingarm rotates with the bb beeing the center of rotation where does the iscg mounts go, unless you bring 3 pieces of metal out from the bb shell that are independant from the swingarm
flag aceofspades
Posted: Dec 28, 2008 at 11:39 Quote
its 8" dh frame with ~3:1 falling rate leverage ratio..im not planning to manufacture it though it would be cool.i have thought similar bearing/attaching system to the swing than Rotec RL9 has..iscg promblem isnt solved yet,but it might be added to the swingarm..3d model is made with Catia v5 ,and its not ready yet (missing bolts and bearings, poorly made swingarm) main idea of the linkage is short chainstay,low bb and getting 0-chainstrech and very low pedal kickback with swing rotating around bb. (i modelled the linkage with Linkage (c) software >> pedal kick back was lower compared to bunch of real dh frames like v10,sunday,224,glory dh,rmx,sess10n,socom etc.)

bottom line:its just a sketch,and a practice of modeling "hydroformed" tubes .dont take it too seriousWink
flag atmos-fair
Posted: Dec 28, 2008 at 13:04 Quote
Anyone use cinema 4d?
flag ctd07
Posted: Dec 28, 2008 at 16:26 Quote
aceofspades wrote:
its 8" dh frame with ~3:1 falling rate leverage ratio..im not planning to manufacture it though it would be cool.i have thought similar bearing/attaching system to the swing than Rotec RL9 has..iscg promblem isnt solved yet,but it might be added to the swingarm..3d model is made with Catia v5 ,and its not ready yet (missing bolts and bearings, poorly made swingarm) main idea of the linkage is short chainstay,low bb and getting 0-chainstrech and very low pedal kickback with swing rotating around bb. (i modelled the linkage with Linkage (c) software >> pedal kick back was lower compared to bunch of real dh frames like v10,sunday,224,glory dh,rmx,sess10n,socom etc.)

bottom line:its just a sketch,and a practice of modeling "hydroformed" tubes .dont take it too seriousWink
8" concentric design would give terrible saddle clearance!
flag kempie
Posted: Dec 29, 2008 at 0:32 Quote
Just a few of my things. My first attempt at a front derailleur and i'm doing my first full bike. its a bit long but oh well.

photo

2829787


photo

2829786


photo

2829785


photo

2706741
flag aceofspades
Posted: Dec 29, 2008 at 2:11 Quote
ctd07 wrote:
aceofspades wrote:
its 8" dh frame with ~3:1 falling rate leverage ratio..im not planning to manufacture it though it would be cool.i have thought similar bearing/attaching system to the swing than Rotec RL9 has..iscg promblem isnt solved yet,but it might be added to the swingarm..3d model is made with Catia v5 ,and its not ready yet (missing bolts and bearings, poorly made swingarm) main idea of the linkage is short chainstay,low bb and getting 0-chainstrech and very low pedal kickback with swing rotating around bb. (i modelled the linkage with Linkage (c) software >> pedal kick back was lower compared to bunch of real dh frames like v10,sunday,224,glory dh,rmx,sess10n,socom etc.)

bottom line:its just a sketch,and a practice of modeling "hydroformed" tubes .dont take it too seriousWink
8" concentric design would give terrible saddle clearance!

there is just enough clearance for seat.
flag JokerMachine
Posted: Dec 29, 2008 at 2:21 Quote
aceofspades wrote:
ctd07 wrote:
8" concentric design would give terrible saddle clearance!

there is just enough clearance for seat.

How low does the BB get when you bottom out? Seems like the cranks at the very least would hit upon pedaling...
flag aceofspades
Posted: Dec 29, 2008 at 2:45 Quote
JokerMachine wrote:
aceofspades wrote:
ctd07 wrote:
8" concentric design would give terrible saddle clearance!

there is just enough clearance for seat.

How low does the BB get when you bottom out? Seems like the cranks at the very least would hit upon pedaling...

bb is little bit over 350mm without rider.there is enough ground clerance even if bottoms
flag ben24
Posted: Dec 29, 2008 at 6:52 Quote
post your sketchup models on the 3d warehouse.

 


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