Use a smaller diameter line !

3 mm 500 kg racing dyneema (NOT the 250 or 300 kg kind) will hold the spi pole just fine.

At least it has for many seasons on both my spinnaker boats (first the P18 and now the F16)

Wouter


Wouter Hijink
Formula 16 NED 243 (one-off; homebuild)
The Netherlands