New Guide Spacing/Sizing program
Posted 19 March 2005 - 03:55 PM
I'd like to ask some help in testing and troubleshooting a program I threw together for calculating guide spacing and sizes.
The spacing is pretty much the same as in Shadownix's Excel sheet, so that is straight forward, but since I used an algorithm rather than a table, I think the area of my biggest concern is the guide sizing. Lighter weight rods seem to be more accurate, though I'd like to hear your comments and suggestions.
The program is geared toward graphite rods right now, though I'm planning on putting together a bamboo add-on later.
You can download the program/installer here (2.5mb file). The rest should be pretty straightforward.
Posted 20 March 2005 - 09:47 AM
Today, I'm going to take apart a cheap Shakespeare flyrod I have (3pc, 8 1/2', 7wt) and go through the motions of building a rod from scratch. I'm going to shorten it to 8' and will use your program for the initial placement of the guides.
Will take photos of the 'bend test' for optimum guide placement and post 'em if you like.
Thanks a ton.
Posted 20 March 2005 - 02:06 PM
I just uploaded a new version that includes a few changes:
- Larger rod sizes show 2 values for the 'choker' guide, one for standard snake sizes, and the other for a second stripper, in the format "6 / 10".
- I added a Double Foot/Single Foot snake guide option which translates standard snake sizes into mm sizing. The selected guide type will be printed on the guide report.
Again, the program/update can be found here, and please let me know if things look/work OK.
For comparison, I'd love to see some bend test results on the rebuild you are doing. Thanks!
What do you mean 'static guide placement'?
Posted 20 March 2005 - 04:14 PM
Posted 21 March 2005 - 07:36 PM
I suppose I do a kind of basterdized version of static placement in that I usually tape on the guides using a program/formula first, then do a bend test and rearrange them according to how things look.
Do those single foot guide sizes look right? After putting them in I stumbled across another chart that had sizes in only integers. The numbers were close, but not exactly the same.
I'll leave the program up for a while in anticipation of further feedback and suggestions and until I can get the time to code in the bamboo spacing program. Then I'll see if I can get it permanently moved to the RBF server.
Posted 22 March 2005 - 08:38 PM
I could use a little help interpereting your progam's output:
I am building a 9' 4wt and intend to use 10 guides: 2 strippers (12 and 10) and 8 runners.
Here's the output of your program:
I'm sure that it's telling me what I need to know, but I just don't understand. Any idea how I make allowances for the 2 strippers? (The program looks like it's calling for 1 stripper and 9 snakes.)
Maybe I need to input "9" instead of "10" guides and just add the second stripper in without the program?
Posted 22 March 2005 - 08:48 PM
But, looking at your numbers I'd say 20" from the butt of the rod to the first stripper is not enough. At the very least do a test cast before wrapping the guides in this position and see how it feels.
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