Wheels Breaking Inline Skating Notebook/ウェブリブログ

Wheels Breaking

<< 作成日時： 2007/10/25 00:21 >>

私はシャフトが抜けてウィールがスタックした経験しかありませんが、スピードスケーターにとってウィールの破壊はクルマで１００キロ走行中にパンクしたのと同じ危険度ではないのかと思います。以前から軽量を売りにする"Matter Wheel"の中空コア変形によるの剥離、 "StarWheel"などのコア強度不足による破壊がネットで報告されています。今回、HYPER-RACE フォーラムで MPC Wheel においても同様の問題が発生していると、ウィールとコアの分離脱輪の画像がアップされました。

MPC Wheels Breaking...

I'm just wondering....am I the only person that is snapping Mpc wheels? I love them...I just keep snapping the hubs... I've snapped the blue indoor wheel...actually 3 of them.....and also the green street fighter....and the gold VT's.....I mean I've done extremely well on the wheels...I just snap them while I'm training...and it's usually one of the two back wheels on both skates.

HYPER-RACE Forum: MPC Wheels Breaking... (Posted: Oct. 22, 2007)
(この写真と以前のＭＰＣ断面を見比べると、上の写真は Super-Resilient Inner Ring Portion が確認できません。今のところ、仕様が変更されたのか、イミテーションなのか断言できませんが・・・若干の疑問が湧いてきます。もしかするとスケーター固有の問題なのかも知れません。）

Hello

I don't know what "weak hub problem" you are referring to. I have just finished reading through this entire thread again that began with asking the question, "I'm just wondering....am I the only person that is snapping Mpc wheels?" and I have found just the original poster that is having a problem with "snapping hubs". The other individual had a wheel come off the hub (different problem and issue).

In all the millions of wheels sold, the number of hubs that have come back cracked or broken I can count on one hand. And that includes the one that Sebastian Cano broke after hitting the wall skate first where only a single fin broke.

So, we can not answer the question of what is going on in Steve's case until we get the wheels back and have them analyzed (which I can assure you we will just as soon as we receive them). Quality and customer service is a top priority here, but to say that there is a "weakness" in the hubs is incorrect. There is a flex designed in them for specific purposes and others are not imitating that design flexibility, so I would guess that gives it a certain credibility.

We thought we had the max power test available with Jeff Foster testing for us and I've never seen even Jeff break a hub. We've never had one break at World's or ODN or IDN either, so I can't answer the question of why it happened to Steve, but as I said, we will check into it.

As I said however, to say that because one person or very limited people have an issue with something that it is anything other than a unique and isolated situation, is a little premature at this point.

Thanks for your concern and rest assured, we will fully analyze and evaluate Steve's wheels and hubs as well as send him some replacements.

Feel free to e-mail me if you have any thoughts on the issue as we always welcome input.

Skate safe,
Paul DJ 　www.mpcspeedracing.com
(Posted: Oct. 25, 2007)

speed.skate-berlin.de: Durability of MPC Wheels?

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Matter のEMTハブ (Energy Management Technology)でもトラブル発生したようです。各社とも壊れ無いハブのデザインを考えているハズですが・・・シミュレーションでインプットしたデータ以外に何か大事なファクターが欠落しているようです。折りしも、今日の朝刊に「解明なるか突発巨大大波、大型船も折る「海の壁」「穴」・・・フリーク波」と見出しが出ていました。

Wheels - White Matter F2 - hub problems

I trashed one more wheel this morning and I'm starting to take this personally this is the 3rd Matter that I have trashed. And I took another good look on the ones on the skates and atleast two more I could see tiny cracks in = they have to be changed as well.