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Old 02-02-2006, 10:07 AM   #12586
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Old 02-02-2006, 10:13 AM   #12587
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Interesting Rick...
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Old 02-02-2006, 10:15 AM   #12588
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Interesting Rick...
David ran his like this at carpet wars.
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Old 02-02-2006, 10:42 AM   #12589
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Originally Posted by Rick Draper
David ran his like this at carpet wars.
David wasn't the only one who did that. Every 415MSX in the A Main at Carpet Wars and the DHI were like that. Remember how Rheinart was struggling at the Carpet Wars and all of the sudden got really fast
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Old 02-02-2006, 10:46 AM   #12590
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Quote:
Originally Posted by Carbuncle
David wasn't the only one who did that. Every 415MSX in the A Main at Carpet Wars and the DHI were like that. Remember how Rheinart was struggling at the Carpet Wars and all of the sudden got really fast
That's not entirely true regarding the DHI....
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Old 02-02-2006, 11:48 AM   #12591
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Originally Posted by Carbuncle
David wasn't the only one who did that. Every 415MSX in the A Main at Carpet Wars and the DHI were like that. Remember how Rheinart was struggling at the Carpet Wars and all of the sudden got really fast
no not true.
my msx had the old suspension on and was set up as per marks carpet set up with old suspension.
was marc at carpet wars?if he was i beat him
adam rogers car was set up as per outdoors with suspension wise with HPI springs all round [silver at back and gold at front]which are a tad softer then the tamiya blues and whites.they used these because they were using the LWT suspension and started to grip roll.he wanted to try and use the pro4 wishbones but didnt know how to drill them or were.
iam not sure about dave or andy childs.
i didnt look at these cars but aparently they all had this spring set up using hpi springs.
one thing i notice.
the old suspension doesnt work until the grip comes up./
it seems that the LWT is better for the first few rounds then it starts grip rolling,when this happens the old suspension starts to work.
it took a few rounds for the old suspension to kick in.
for one day or shorter races on carpet il go with LWT and for more then one day racing il go with the old type and wait for the grip.
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Last edited by trf racer; 02-02-2006 at 12:08 PM.
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Old 02-02-2006, 11:57 AM   #12592
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Rick that's pretty interesting...

Can you update us on how it runs and if the car develops "play" over time? That's the one thing I don't like about 415s...they have a good amount of play in them. But using HPI parts might take that out since I thought my Pro4 always had less play in it.

Depending on where your at it might be easier to get Pro4 parts as well.
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Old 02-02-2006, 12:10 PM   #12593
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Quote:
Originally Posted by trf racer
adam rogers car was set up as per outdoors with suspension wise with HPI springs all round [silver at back and gold at front]which are a tad softer then the tamiya blues and whites.they used these because they were using the LWT suspension and started to grip roll.
iam not sure about dave or andy childs.
God when will you look at the spring chart and realize you're wrong ?

HPI Gold 19.4lbs, HPI silver 16.9lbs
Tamiya White 17.25lbs, Tamiya blue 14.08lbs
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Old 02-02-2006, 12:14 PM   #12594
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Originally Posted by TRF415boy
God when will you look at the spring chart and realize you're wrong ?

HPI Gold 19.4lbs, HPI silver 16.9lbs
Tamiya White 17.25lbs, Tamiya blue 14.08lbs
interesting.spoke to someone and they said the HPI were softer.
so why would you go to a harder spring to cure grip roll?
also alot of people were using HPI springs at the brca nationals.
were a tad harder then tamiya yellows.
i would go have a look at your spring chart again and make sure its correct
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Old 02-02-2006, 12:42 PM   #12595
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will the old supension fit straight on to the refine2 msx kit?
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Old 02-02-2006, 12:44 PM   #12596
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Don't put too much faith on those spring chart. I find those numbers are a bit off. For example, Asso blue rates at 17lb/in, but in reality, stiffer than X-ray white & losi green, which rate 17.5lb/in.
Tamiya white is very close to HPI gold(19.0), while Tamiya blue is between HPI pink(18.0) & silver(16.9).
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Old 02-02-2006, 12:48 PM   #12597
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Quote:
Originally Posted by Smoking motor..
will the old supension fit straight on to the refine2 msx kit?
yes although you wont be able to change the wheelbase unless you shave the arms.
the wheelbase will be a tad longer aswell.
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Old 02-02-2006, 12:51 PM   #12598
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Quote:
Originally Posted by caveman
Don't put too much faith on those spring chart. I find those numbers are a bit off. For example, Asso blue rates at 17lb/in, but in reality, stiffer than X-ray white & losi green, which rate 17.5lb/in.
Tamiya white is very close to HPI gold(19.0), while Tamiya blue is between HPI pink(18.0) & silver(16.9).
thank you for clearing that up.that what i said.
whats harder tamiya white or HPI gold and out of tamiya blue and HPI silver.
i go on feel and not charts.
i got a chart from here.no names will be given as to who made it but it was sooo far out.
deleted the file straight away.
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Old 02-02-2006, 12:56 PM   #12599
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I believe tamiya white is harder.
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Old 02-02-2006, 12:58 PM   #12600
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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...

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