Furler drum replacement

I need to replace the furler drum by one of a different model. In order to adjust the bridle wires length I need to know the 2 dimensions "A" and "B" in the picture.

Is there anyone with that model of drum that would be able to give me those dimensions?

https://www.thebeachcats.com/gallery2/main.php?g2_view=core.DownloadItem&g2_itemId=127785&g2_serialNumber=3



Thanks,

AB



Edited by coolhead on May 23, 2017 - 11:06 PM.

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AB
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