I know it can be overwhelming if you're new with Revit. Here's what I did, if you'd try out these steps (for use with Revit 2014):
I based this off of the OOTB elbow family "Elbow - Generic.rfa". Locate the file following this path below, copy the file elsewhere, are rename it appropriately, such as "Elbow - Long Radius.rfa".
C:\ProgramData\Autodesk\RVT 2014\Libraries\US Imperial\Pipe\Fittings\Generic
Now, locate the CSV file that is associated with this Family. In order to determine this, you can open the Family, go to Family Types (the button with the four blue squares on the Systems tab of the Ribbon, and look for the Lookup Table Name. Now, browse to the path listed below and copy that CSV and copy it either in the same folder or to the same location as the Family. Rename it exactly as you did the Family.
C:\ProgramData\Autodesk\RVT 2014\Lookup Tables\Pipe
Open the Family if isn't already open and go to Family Types. Click the "Manage..." button, then import the appropriate CSV file, and click 'OK'. Change the parameter "Lookup Table Name" to the correct table name. Now you can go back to "Manage..." and delete the previous CSV table from the family. Click 'OK'.
Now the only thing left to fix is the radius; look for the parameter "Center Radius (Default)". Under the Formula column, replace the formula for that parameter with:
Nominal Diameter * 1.5
Now load this Family into a new Project and give it a test run.
Then this error
Changed center radius to "Nominal Diameter * 1.5"
Then this error
Don't have a clue how to fix it.
Can't try to see if it work because the it just keeps repeating till I cancel the operation.
Kevin K. Rhines
EDITED by CADastrophe on 07-19-2013 Reason: Corrected embedded images.
The images didn't come through - use the Insert/edit Image button to embed them into a post. Copy/Paste doesn't really work.
Sorry - been a busy day...
So I have been working on it.. But what I have found is in taking it to a 1.5 dia - I think we lose the long radius of the elbow that he wanted in the first place.
Unless I am doing something wrong.
I started with the original long elbow family and changed the nominal Diameter to 1.5.
I have attached an image of what I am getting.
"So I have been working on it.. But what I have found is in taking it to a 1.5 dia - I think we lose the long radius of the elbow that he wanted in the first place."
Here is an image of what I've got after following the steps I listed.
"Unless I am doing something wrong.
I started with the original long elbow family and changed the nominal Diameter to 1.5."
Wait, you started from that downloaded family? I'm pretty sure that one's garbage, so scrap that thing and start with the default Generic Elbow family that comes with Revit.
So yeah - total brain fart there...
Yes - once I slowed down and read and did what you wrote - it worked.
Thank you for your help.
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