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#1
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2015 Roll center - I am very very very confused
Right, loving the 2015 spec but these new +2 rear hangers have opened a right can of worms for me. I have read up and read up and these are my findings so far
Running the +2 with no insert under gearbox = lower roll centre. According to hudy setup manual a lower roll centre should be better in high grip. However according to xray the insert under the gearbox should be used in high grip however this would give a higher roll centre and according to the hudy book a higher roll center should be used in lower grip conditions. I personally find that lowering the rear camber link on the tower in low grip improves rear traction, but this is making a higher roll centre so goes against what xray are saying about the gearbox insert being used in high grip as this also raises the roll centre which they say is for high grip. Can anyone explain/help a very confused average driver |
#2
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Yup, they've done an awesome job confusing everybody. The hinge pin height has stayed the same, as the hangers have raised the hinge pins by 2mm, but now the 2mm plate under the gearbox is discarded - so the hinge pin height is NOT different. The effect it has is it's lowered the shock tower & gearbox by 2mm, so you get 2mm more droop, the camber link holes on the gearbox are 2mm lower and the gearbox / outdrives are 2mm lower. Hope this helps.
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#3
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Think so off for a lie down!
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#4
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Easiest thing to do is forget all the changes. Just remember the higher the hinge pins are, the easier the rear will break traction.
__________________
Stephen Smith Answer RC Team HB Racing | Team Orion | Xpert | Racing Experience |
#5
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Now I can handle that thanks for the info, love tips like this.
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#6
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As long as you remember reading my last post - the height of the hinge pins hasn't changed!
It's just not that simple |
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