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Gennaker sizing

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Category: Hints and Tips
Forum Name: 370 / 375
Forum Description: 370 / 375 Hints, Tips and News
Printed Date: 20 July 2019 at 14:56
Software Version: Web Wiz Forums 12.01 -

Topic: Gennaker sizing
Posted By: Greig
Subject: Gennaker sizing
Date Posted: 08 September 2017 at 06:11
Ordering a gennaker for my 375.  What luff length, max hoist, B measurement I should be specifying with the order?

Posted By: Peter-Blake
Date Posted: 08 September 2017 at 07:39
You should measure the exitpoint (guide eye) of the gennakerhalyard (to the bowsprit).
On the 370 some have the guide eye direct above the forestay, others (like me) sail the gennaker from the Masttop. So there will be very diffrent measurements....
I think on the 375 the mast is the same as on the 370 and there may be 2 diffrent versions aswell.

Blake 370

Posted By: S&J
Date Posted: 08 September 2017 at 07:51
I echo Peter's comment. I almost ordered a gennaker based on the official Hanse sailplan specification sheet before I realised that the 385 was originally delivered with a different mast to the current Selden rig.
I have the spinnaker halyard exit just above the forestay but the documentation suggests it was originally designed to be from the masthead.

H385 #351 Ningaloo UK south coast & Southern Ireland (2019)

Posted By: Greig
Date Posted: 08 September 2017 at 13:36
I have the Selden layout, with the exit block just above the hounds. (not masthead).  I was hoping someone knows the measurement, the correct luff length to quote for a gennaker.

Posted By: Davidevet
Date Posted: 09 September 2017 at 15:43

Hanse 375 - 2009

Posted By: Davidevet
Date Posted: 09 September 2017 at 15:46
Hanse 375 2009
Luff 15,6
Leech 13,8
Base 7,6

Hanse 375 - 2009

Posted By: iemand
Date Posted: 09 September 2017 at 17:20
I can send you the rig data sheet if you want! Just give me your email adress....

BR Thomas.

Hanse 312 MJ 2004 - Hanse 370e MJ 2007

Posted By: silversailor
Date Posted: 12 September 2017 at 01:24
My 370 has the original fractional spinnaker configuration.  Some have gone to a masthead arrangement.  Tell me how you accomplished that.

South Haven, MI USA
S/V Legacy
Hanse 370e, #9

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