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Author Topic: Bellypan Question  (Read 10228 times)

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Offline 38flattie

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Bellypan Question
« on: October 27, 2010, 09:27:54 AM »
The rulebook explains how to box around the tranny if needed. Would the I box the oil pan in the same manner? How far back towards the rear axle van I go with it?

Can you guys tell me what thickness of steel most are using?

Thanks in advance.
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Offline bvillercr

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Re: Bellypan Question
« Reply #1 on: October 27, 2010, 10:27:58 AM »
If your running in ALT you can't have a bellypan.
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Offline 38flattie

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Re: Bellypan Question
« Reply #2 on: October 27, 2010, 11:07:14 AM »
Yes sir. We'll be switching classes. Pretty easy in the vintage division.
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With sufficient thrust, pigs fly just fine. However, this is not necessarily a good idea. It is hard to be sure where they are going to land, and it could be dangerous sitting under them as they fly overhead. -- RFC 1925

You can't make a race horse out of a pig. But if you work hard enough at it you can make a mighty fast pig. - Bob Akin

http://www.flatcadracing.org/
http://youtu.be/89rVb497_4c

Offline jimmy six

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Re: Bellypan Question
« Reply #3 on: October 27, 2010, 12:11:51 PM »
When I ran modified roadster once, I constructed a panel which sealed in the engine compartment with the exception of the oil pan. I left it open and brought the "belly pan" around it within about 1/8" gap. I had considered bowing it around the pan since it was only 1/2" below the frame rail but did the easiest thing. A belly pan does not need to be flat like a step pan.............Good Luck
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Offline dw230

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Re: Bellypan Question
« Reply #4 on: October 27, 2010, 12:40:57 PM »
Too answer your question about weight and the belly pan in one shot. Some have used up to 1/2" steel plate. Should take care of both issues.

DW
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Offline 38flattie

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Re: Bellypan Question
« Reply #5 on: October 27, 2010, 06:35:48 PM »
Thanks guys! Can the bellpan come clear out to the body edge, or just to the outer sides of the frame rails?
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With sufficient thrust, pigs fly just fine. However, this is not necessarily a good idea. It is hard to be sure where they are going to land, and it could be dangerous sitting under them as they fly overhead. -- RFC 1925

You can't make a race horse out of a pig. But if you work hard enough at it you can make a mighty fast pig. - Bob Akin

http://www.flatcadracing.org/
http://youtu.be/89rVb497_4c

Offline dw230

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Re: Bellypan Question
« Reply #6 on: October 27, 2010, 08:29:12 PM »
Book doesn't specify but, there was a Buick at Speedweek that had the belly pan to the outer edges of the running boards and he was asked to trim it back to the frame rails.

DW
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Offline Cajun Kid

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Re: Bellypan Question
« Reply #7 on: October 27, 2010, 09:04:06 PM »
outer most perimeter of the frame rails and not to extend below the frame more than the thickness of the material used.

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Offline dw230

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Re: Bellypan Question
« Reply #8 on: October 27, 2010, 09:21:46 PM »
That's a step pan, belly pan is not delineated that way.

DW
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Offline 38flattie

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Re: Bellypan Question
« Reply #9 on: October 27, 2010, 09:28:16 PM »
Dan, can you tell me the limitations? It's rather vague in the rulebook.
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With sufficient thrust, pigs fly just fine. However, this is not necessarily a good idea. It is hard to be sure where they are going to land, and it could be dangerous sitting under them as they fly overhead. -- RFC 1925

You can't make a race horse out of a pig. But if you work hard enough at it you can make a mighty fast pig. - Bob Akin

http://www.flatcadracing.org/
http://youtu.be/89rVb497_4c

Offline dw230

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Re: Bellypan Question
« Reply #10 on: October 28, 2010, 12:05:42 AM »
From post #6

"Book doesn't specify but, there was a Buick at Speedweek that had the belly pan to the outer edges of the running boards and he was asked to trim it back to the frame rails."

Real world experience for the Bucik guy.

DW

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Offline NathanStewart

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Re: Bellypan Question
« Reply #11 on: October 28, 2010, 07:32:21 PM »
Quote from: 38flattie on October 27, 2010, 09:27:54 AM
The rulebook explains how to box around the tranny if needed. Would the I box the oil pan in the same manner? How far back towards the rear axle van I go with it?

Buddy I think you've confused the part about a box around the trans with the rules that cover what a step pan is vs a belly pan.  Might want to double check both rules/definitions. 
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Offline 38flattie

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Re: Bellypan Question
« Reply #12 on: October 28, 2010, 09:42:17 PM »
Nate, I did read both, but there is little on the bellypan. I guess I did mix the two up, though.

How fat towards the rear of the car must/can the bellypan go? I know the rules say it must cover 51%. Is that 51% of the whole under carraige?
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With sufficient thrust, pigs fly just fine. However, this is not necessarily a good idea. It is hard to be sure where they are going to land, and it could be dangerous sitting under them as they fly overhead. -- RFC 1925

You can't make a race horse out of a pig. But if you work hard enough at it you can make a mighty fast pig. - Bob Akin

http://www.flatcadracing.org/
http://youtu.be/89rVb497_4c

Offline dw230

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Re: Bellypan Question
« Reply #13 on: October 29, 2010, 10:46:38 AM »
2010 rulebook:

"4.CC.3     Belly Pan:
A skin of material used to cover the undercarriage of a vehicle."

Undercarraige is front of frame to rear of frame.

DW
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Re: Bellypan Question
« Reply #14 on: October 29, 2010, 12:41:24 PM »
Quote from: dw230 on October 29, 2010, 10:46:38 AM
2010 rulebook:

"4.CC.3     Belly Pan:
A skin of material used to cover the undercarriage of a vehicle."

Undercarraige is front of frame to rear of frame.

DW

How is "undercarrage" defined for a unibody car?  Can we cover everything from the air dam to the rear bumper and out to the side skirts?
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