【Modify】アライメント測定&変更
強化リアトーロッドへ変更したためアライメントを調整。
今回は自前のアライメント調整ではなく、ご近所の4輪テスターがある「コクピット城山」にお願いしました。
基準値は以下の通り。
Front | Left | Right | Rear | Left | Right |
Camber | -0.1° | -0.1° | Camber | -1.8° | -1.8° |
---|---|---|---|---|---|
Caster | 3.8° | 3.8° | |||
Toe | -0.01° | -0.01° | Toe | 0.17° | 0.17° |
TotalToe | -0.03° | TotalToe | 0.34° |
で、測定データは以下の通り。
Front | Left | Right | Rear | Left | Right |
Camber | -0.7° | -0.8° | Camber | -2.2° | -2.3° |
---|---|---|---|---|---|
Caster | 3.4° | 3.6° | |||
Toe | -0.23° | -0.15° | Toe | 1.08° | 0.59° |
TotalToe | -0.35° | TotalToe | 1.67° |
あはは狂いまくってますね。
で、調整後。
Front | Left | Right | Rear | Left | Right |
Camber | -0.7° | -0.8° | Camber | -2.0° | -2.2° |
---|---|---|---|---|---|
Caster | 3.4° | 3.6° | |||
Toe | -0.01° | -0.00° | Toe | 0.16° | 0.16° |
TotalToe | -0.01° | TotalToe | 0.32° |
調整したのはトー角だけです。
この調整で直線はハンドルが取られる事なくしっかり安定した走行が出来るようになりました。ってか、調整前が狂い過ぎ。アーム、リンク類の変更時はしっかりアライメント取らないとまずいですね。
下手すると事故につながる。
で、キャンバーについてちょっと今までのまとめみたいな…。
今回のアライメント調整ではキャンバーはそのままですが、以前キャンバーを計測した時(純正ビルシュタイン仕様変更)のデータは
Front | Left | Right |
Camber | -0.3° | -0.4° |
---|---|---|
shim | 1.0mmx2 | 1.0mmx1 |
左右差があってシムの枚数を合わせられなかった。
その後、キャンバーがもっと欲しいと思い調整。
左右共に1mmのシムを一枚ずつ抜いた。計測は簡易的な物で当てにならないけれど
Front | Left | Right |
Camber | -0.55° | -0.65° |
---|---|---|
shim | 1.0mmx1 | 0 |
ちなみに1mmのシムで0.25°のキャンバー角が変更できると言う事になっている。
その後、左右差を埋めるためにシムを自作して調整。
作ったシムは0.3mmと0.5mmのもの。左の1.0mmシムを抜いて0.3mmのシムをいれた。
数値は1mmのシムで0.25°なので0.3mmで0.075°という安直な計算。
Front | Left | Right |
Camber | -0.7° | -0.65° |
---|---|---|
shim | 0.3mmx1 | 0 |
で、その後ダウンサスブラケットによる車高ダウン。
で、今回の測定結果。小数点第2位まで(切り捨て切り上げはわからんス)。
Front | Left | Right |
Camber | -0.7° | -0.8° |
---|---|---|
shim | 0.3mmx1 | 0 |
…あれ?
右の方がついてるじゃん!
もうよく分からん!っつーわけで近いうち、左の0.3mmシム取りますか。
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