All MetalShaping

Go Back   All MetalShaping > General Metal Shaping Discussion > Basic questions and answers
  Today's Posts Posts for Last 7 Days Posts for Last 14 Days  

Reply
 
Thread Tools Search this Thread Display Modes
  #21  
Old 11-07-2012, 02:35 PM
Mike Rouse Mike Rouse is offline
Member
 
Join Date: May 2009
Location: Baton Rouge
Posts: 418
Default

Hi David,
Great find.
The chart is based on a width of arc of 60 Inches
The radius of 3600.063 inches with an arc width of 60 inches has arise at the center of .125 inches.
The way the chart is written is In keeping with the formula on page 4
So you must double the lengths given to have the width of the arc

To visualize
Draw a straight line 60 inches long
At the mid point draw a straight line to the top of the page at 90 degrees to the 60" line and make this line .125 inches long.
The radius that will connect the three line ends is 3600.063 inches long
If you move the 60" long line up till it is 30 inches then the rise will be whatever the chart indicates it is for 15 inches

Mike
Reply With Quote
  #22  
Old 11-07-2012, 04:57 PM
Mike Rouse Mike Rouse is offline
Member
 
Join Date: May 2009
Location: Baton Rouge
Posts: 418
Default

The numbers in the red headings are the X. The rest of the numbers are the Y
All per the formula on page 4

Mike
Reply With Quote
  #23  
Old 11-07-2012, 05:23 PM
RockHillWill RockHillWill is offline
MetalShaper of the Month Jan 2019
 
Join Date: Oct 2009
Posts: 3,089
Default

Thanks David and Mike,

That explains the large difference in the radiuses that I could not understand. Another good member called me today and helped me with this issue as well.

I now understand that the constant difference in height of 1/8" across the constant 60" span accounts for the wide range of radii.

Man, there are some smart folks here. Thanks for letting me hang around.
__________________
Will
Reply With Quote
  #24  
Old 11-08-2012, 06:12 AM
Custom Metalshapers Ltd Custom Metalshapers Ltd is offline
MetalShaper of the Month June 2014
 
Join Date: May 2011
Location: Auckland, New Zealand
Posts: 293
Default info

DSCN6437_800x600.jpg

DSCN6439_800x600.jpg

DSCN6440_800x600.jpg

DSCN6441_800x600.jpg

DSCN6444_800x600.jpg

DSCN6445_800x600.jpghi guys, when i was in the US a few months back my Uncle got out some of my cousins old car design text books and I took pics of this page in a book on clay modeling. Not sure if they are of any help.
__________________
Tony Katterns

Last edited by route56wingnut; 11-08-2012 at 08:05 AM.
Reply With Quote
  #25  
Old 04-25-2017, 03:07 PM
Gareth Davies Gareth Davies is offline
Member
 
Join Date: Aug 2012
Location: Staffordshire, England
Posts: 665
Default

Quote:
Originally Posted by Custom Metalshapers Ltd View Post
Attachment 18962

Attachment 18963

Attachment 18964

Attachment 18965

Attachment 18966

Attachment 18967hi guys, when i was in the US a few months back my Uncle got out some of my cousins old car design text books and I took pics of this page in a book on clay modeling. Not sure if they are of any help.
This might be a long shot as it's such an old thread but does the literature tell you what number sweeps are in each of the three sets? I suppose you can make them how you want but it would be nice to know at what number you drop down from a 60" sweep to say 40" then 20"

Looking on Fay Butler's website they are listed as a set of up to 85 sweeps and are shown in 2 lengths but doesn't say what number they reach before dropping down to the shorter lengths.

Any help appreciated.
__________________
Gareth Davies
Reply With Quote
  #26  
Old 04-26-2017, 06:26 AM
scranm scranm is offline
Member
 
Join Date: Jun 2009
Location: Indiana
Posts: 289
Default

Quote:
Originally Posted by thingsthatfly2 View Post
someone with the ability to make them should set up a group buy.
i have a company that will water jet a set for around 250.00$
__________________
Mark
Reply With Quote
  #27  
Old 04-26-2017, 08:21 AM
Peter Tommasini Peter Tommasini is offline
MetalShaper of the Month May 2013, Dec 2013
 
Join Date: Apr 2011
Location: Melbourne,Victoria, Australia
Posts: 7,750
Default

Quote:
Originally Posted by Gareth Davies View Post
This might be a long shot as it's such an old thread but does the literature tell you what number sweeps are in each of the three sets? I suppose you can make them how you want but it would be nice to know at what number you drop down from a 60" sweep to say 40" then 20"

Looking on Fay Butler's website they are listed as a set of up to 85 sweeps and are shown in 2 lengths but doesn't say what number they reach before dropping down to the shorter lengths.

Any help appreciated.
I think(check with Fay.)... Fay's sweeps start from 05 then by 5 increments they reach up to 100....... BUT when the numbers get's higher they jump by 10 increments then by 20 that is why 85 sweeps have number up to 100
Peter
PS ....I am not sure (check with Fay) but I think that the 85 piece set cost $2950 US???
__________________
P.Tommasini

Metalshaping tools and dvds
www.handbuilt.net.au

Metalshaping clip on youtube
http://www.youtube.com/watch?v=WEAh91hodPg

Making Monaro Quarter panel:
http://www.youtube.com/watch?v=KIpOhz0uGRM
Reply With Quote
  #28  
Old 04-26-2017, 08:56 AM
Gareth Davies Gareth Davies is offline
Member
 
Join Date: Aug 2012
Location: Staffordshire, England
Posts: 665
Default

Quote:
Originally Posted by Peter Tommasini View Post
I think(check with Fay.)... Fay's sweeps start from 05 then by 5 increments they reach up to 100....... BUT when the numbers get's higher they jump by 10 increments then by 20 that is why 85 sweeps have number up to 100
Peter
PS ....I am not sure (check with Fay) but I think that the 85 piece set cost $2950 US???
Thanks Peter, that was what was confusing, how he got to 100. I'm not so sure I want to ask him how his sets are made up and then go and get my own laser cut. I'm also not sure I'd want to spend $2950 on a set of them either

Pretty sure I can get every single 1 from 01 up to 100 for less money than that. I'm just trying to understand at what point you go from a 60" long sweep to shorter.
__________________
Gareth Davies
Reply With Quote
  #29  
Old 04-26-2017, 11:35 AM
toreadorxlt toreadorxlt is offline
MetalShaper of the Month August '15 Jan '17 Dec'17 Aug'19
 
Join Date: Aug 2011
Location: NH
Posts: 590
Default

Quote:
Originally Posted by Gareth Davies View Post
Thanks Peter, that was what was confusing, how he got to 100. I'm not so sure I want to ask him how his sets are made up and then go and get my own laser cut. I'm also not sure I'd want to spend $2950 on a set of them either

Pretty sure I can get every single 1 from 01 up to 100 for less money than that. I'm just trying to understand at what point you go from a 60" long sweep to shorter.


His are milled... he will tell you that yours need to be milled for accuracy, then give you a long rant. Especially if you tell him you want to get a set laser cut for cheaper.
__________________
Steve
Reply With Quote
  #30  
Old 04-26-2017, 12:05 PM
Kerry Pinkerton's Avatar
Kerry Pinkerton Kerry Pinkerton is offline
Administrator
 
Join Date: May 2009
Location: Near Huntsville, Alabama. Just south of the Tennessee line off I65
Posts: 8,320
Default

Quote:
Originally Posted by toreadorxlt View Post
... he will tell you that yours need to be milled for accuracy, then give you a long rant. ...
I guess if you were making something that had a consistent radius top to bottom and you were concerned about the surface being with a few thousands, that might make sense. But, imo, that is very, very rarely the case. Most the cars I've worked on have changing radii top to bottom.

I have a set of 50 sweeps that I don't use much simply because the radius is never EXACTLY right for what I'm doing. Usually, I find the one that fits the best and try to maintain a consistent relationship side to side.
__________________
Kerry Pinkerton
Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On

Forum Jump

All times are GMT -5. The time now is 01:58 AM.

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.