Author Topic: units of oil (Read 6461 times)

icewall · « **on:** February 10, 2009, 09:36:06 AM »

APPROX. how many units of oil lets say measured in the center of the lane is considered heavy, med, and light?
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Aloarjr810 · « **Reply #16 on:** February 12, 2009, 01:41:41 PM »

quote:
You may be wondering what a unit is? Let me explain. A unit is a measure of the amount of oil in an area of lane. It isnâ€™t really as straightforward as one would hope, so it can be difficult to grasp. The USBC defines a unit as a measurement of dressing film thickness equivalent to 0.0167 cubic centimeters of dressing per square foot of lane surface. A decent rule of thumb is that 1 unit is 40 micro liters per board at the end of the pattern, and 1 unit is 120 micro liters per board near the arrows.

I emailed kegel about this heres the reply.
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Hello and thank you for your questions. I will do my best to answer them.

The microliters don't actually change. That was a very generalized rule of thumb passed along to me to help visualize the amount of conditioner in each area of the lane. It is more useful for a house pattern than for a sport or challenge pattern. The microliters per board are set in the machine and pattern so they would not change. As you said, it is a set amount of oil.

The rule of thumb is certainly not meant to be absolute it's just a very rudimentary generalization to illustrate the difference in the amount of conditioner applied in the front part of the lane versus the end of the pattern.

I hope this helps clarify. Please feel free to contact me with any additional questions.

Thank you again for your e-mail.
Kind regards,
Brandy

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Going by this I'd say she took the "rule of thumb" out of it's original context. which made it look like 1 unit equaled 40 microliters at one end of the pattern and at the other end of the pattern 1 unit equaled 120 microliters .

tenpinspro · « **Reply #17 on:** February 12, 2009, 02:21:26 PM »

quote:
this don't make sense a unit is a fixed amount of oil per square foot.
How can one unit change from 40 to 120 from one end of the pattern to the other?

Interesting...it may be a method of "their" measurement system that they use. I agree, mathematically it makes no sense. However, I can say this.

On an average, most patterns (more prevalent on synthetics) only physically apply oil to a certain distance and then the release of oil is stopped to where the machine is now just "buffing" in the rest. The oil tanks are no longer applying additional oil toward the end of a pattern or you would in turn could or would have a very heavy pattern. It's what we call blending in a pattern so it helps a ball transition from skid to hook and then have the backend clean so then it rolls/finishes. If a pattern is not blended well, this is typically when you see O/U from front to back (assuming the backends are clean as well).

There are some situations where oil can be utilized to a further distance due to the high friction of its surface (ie. old wood, worn out synthetics)

I wonder if this is what they're trying to say that in regards to 120 up front and 40 in the back.
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quote:
so i think what we have learned here is that there is no such thing as just a "heavy" pattern.

Hey icewall,

That's pretty much the case. We've only tapped into oil patterns and not the bowler yet so hypothetically what's heavy to you or myself may not be to a rev dominant bowler.

I guess a decent definition of "heavy" would simply be when that particular bowler is not getting enough reaction in proportionate phases of skid/hook/roll. Hope this helps some...

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Edited on 2/12/2009 3:25 PM

Author Topic: units of oil (Read 6461 times)

icewall

units of oil

Aloarjr810

Re: units of oil

tenpinspro

Re: units of oil