3LikesTamiya TRF415
02-02-2006, 11:59 AM
Tech Master
Originally Posted by Rick Draper
I believe tamiya white is harder.
although i know this as a FACT just wanted to have back up as SOME people get very frustrated because THEY dont know the facts.
HPI silver is also slightly softer then tamiya blue.
also the HPI spring seems more consistant under compresion while the tamiya ones seem to get a tad stiffer under load.any comments.thanks
02-02-2006, 12:00 PM
Tech Regular
Originally Posted by Rick Draper
I believe tamiya white is harder.
02-02-2006, 12:03 PM
Originally Posted by trf racer
thank you.
although i know this as a FACT just wanted to have back up as SOME people get very frustrated because THEY dont know the facts.
HPI silver is also slightly softer then tamiya blue.
also the HPI spring seems more consistant under compresion while the tamiya ones seem to get a tad stiffer under load.any comments.thanks
although i know this as a FACT just wanted to have back up as SOME people get very frustrated because THEY dont know the facts.
HPI silver is also slightly softer then tamiya blue.
also the HPI spring seems more consistant under compresion while the tamiya ones seem to get a tad stiffer under load.any comments.thanks
Show me numbers from scientific findings, then I'll believe you.
02-02-2006, 12:04 PM
Tech Fanatic
Originally Posted by caveman
Do you have both Tamiya white & HPI gold in your hand now?
02-02-2006, 12:05 PM
Tech Master
Originally Posted by TryHard
I know who made the chart... Me.
I'll be the first to say it probably isn't as accurate as possible. But then again, I don't have the time/money/equipment to test all the springs out there... the chart is formed as much as possible from information that is readily avaliable (i.e. manufactuers numbers), otherwise it is what I've been sent/read with regard to other peoples findings.
The biggest problem is Tamiya don't release the rates of their springs (believe me, I've tried to get it before)... and without knowing the Kc (spring constant) value of the material, and lacking proper load reading equipment to do it myself, the values are only as accurate as I have been told.
I am going to look into getting my Tamiya springs tested this week, might be able to pull some strings at work over it...
Ed
I'll be the first to say it probably isn't as accurate as possible. But then again, I don't have the time/money/equipment to test all the springs out there... the chart is formed as much as possible from information that is readily avaliable (i.e. manufactuers numbers), otherwise it is what I've been sent/read with regard to other peoples findings.
The biggest problem is Tamiya don't release the rates of their springs (believe me, I've tried to get it before)... and without knowing the Kc (spring constant) value of the material, and lacking proper load reading equipment to do it myself, the values are only as accurate as I have been told.
I am going to look into getting my Tamiya springs tested this week, might be able to pull some strings at work over it...
Ed
as alot on forums,other people are wrong and if you do your own research and get it wrong then its your own fault.
no flaming here just backing me own backside after some people can get stressy.
02-02-2006, 12:08 PM
Tech Master
Originally Posted by TryHard
You know it as a fact?
Show me numbers from scientific findings, then I'll believe you.
Show me numbers from scientific findings, then I'll believe you.
and that certain top drivers wouldnt put springs on to make them grip roll ah?
hold on gonna do some tests.
02-02-2006, 12:13 PM
Tech Regular
Originally Posted by Rick Draper
Yes i do. Tamiya white is very slightly harder than the HPI gold.
02-02-2006, 12:18 PM
Tech Master
tamiya blue 2mm thick 6.coil 16mm wide
HPI silver 1.5mm thick 6 coils 16.6mm wide
tamiya white 2mm 7 coils 16mm wide
this was done using a micrometer.
i havent got HPI gold.if anyone who can do this please post the results.
also were the coil starts and ends are very different on all springs and this would make a difference as on the whites the start and end of the coils are made before they meet in a center line,were as on the blues they start and end past each other.
HPI silvers are also the same as whites.
HPI silver is sooo much softer the tamiya blue,theres so much of a difference
HPI silver 1.5mm thick 6 coils 16.6mm wide
tamiya white 2mm 7 coils 16mm wide
this was done using a micrometer.
i havent got HPI gold.if anyone who can do this please post the results.
also were the coil starts and ends are very different on all springs and this would make a difference as on the whites the start and end of the coils are made before they meet in a center line,were as on the blues they start and end past each other.
HPI silvers are also the same as whites.
HPI silver is sooo much softer the tamiya blue,theres so much of a difference
02-02-2006, 12:22 PM
Tech Regular
HPI silver is 6.5 coils, 1.5mm thick.
HPI gold is 6.0 coils, 1.53mm thick.
HPI gold is 6.0 coils, 1.53mm thick.
02-02-2006, 12:26 PM
Tech Master
Originally Posted by caveman
HPI silver is 6.5 coils, 1.5mm thick.
HPI gold is 6.0 coils, 1.53mm thick.
HPI gold is 6.0 coils, 1.53mm thick.
how does this effect tension.if they met ion a staright line would this be harder or softer?
thanks
02-02-2006, 12:54 PM
Originally Posted by trf racer
tamiya blue 2mm thick 6.coil 16mm wide
HPI silver 1.5mm thick 6 coils 16.6mm wide
tamiya white 2mm 7 coils 16mm wide
this was done using a micrometer.
i havent got HPI gold.if anyone who can do this please post the results.
also were the coil starts and ends are very different on all springs and this would make a difference as on the whites the start and end of the coils are made before they meet in a center line,were as on the blues they start and end past each other.
HPI silvers are also the same as whites.
HPI silver is sooo much softer the tamiya blue,theres so much of a difference
HPI silver 1.5mm thick 6 coils 16.6mm wide
tamiya white 2mm 7 coils 16mm wide
this was done using a micrometer.
i havent got HPI gold.if anyone who can do this please post the results.
also were the coil starts and ends are very different on all springs and this would make a difference as on the whites the start and end of the coils are made before they meet in a center line,were as on the blues they start and end past each other.
HPI silvers are also the same as whites.
HPI silver is sooo much softer the tamiya blue,theres so much of a difference
I'd give you one point : HPI silver feels about the same as Tamiya blue, and Tamiya white feels about the same as HPI white. But how they feel don't mean much, only measurements can provide accurate data. I think speedtech can help us there he had the Yokomo spring's values taken on a dedicated machine.
02-02-2006, 01:23 PM
Originally Posted by trf racer
thank you.
although i know this as a FACT just wanted to have back up as SOME people get very frustrated because THEY dont know the facts.
HPI silver is also slightly softer then tamiya blue.
also the HPI spring seems more consistant under compresion while the tamiya ones seem to get a tad stiffer under load.any comments.thanks
although i know this as a FACT just wanted to have back up as SOME people get very frustrated because THEY dont know the facts.
HPI silver is also slightly softer then tamiya blue.
also the HPI spring seems more consistant under compresion while the tamiya ones seem to get a tad stiffer under load.any comments.thanks
I'm not frustrated, but you don't know facts. See my HPI silvers feels softer than my tamiya blue. but then again, my tamiya blue only have 1.45mm thick wire when yours have 2mm thick wire (did tamiya change their springs over time ?).
Edit : just sent an email to steve @ speed tech asking him if he had them tested and if not if he'd test them for us
02-02-2006, 01:35 PM
Rick:
When running the pro 4 suspension, what axles etc do you use (HPI or Tamiya LW)? I presume you need all the different bearing etc aswell, but I don't know.
Cheers
Dan Chambers
When running the pro 4 suspension, what axles etc do you use (HPI or Tamiya LW)? I presume you need all the different bearing etc aswell, but I don't know.
Cheers
Dan Chambers
02-02-2006, 03:07 PM
Anyone have any alloy suspension blocks they would like to part with? I need alot of them. PM me with what you have. thanks
02-02-2006, 03:26 PM
Originally Posted by maxepower
Steve at WWW.SPEEDTECHRC.COM , sure will be able to get them thru TAMIYA and should be able to sell them at a reasonable price! He's my main connection for all my Tamiya needs!!
