Re: [Paddlewise] Plastimo Iris 100, Brunton 70UNE compasses

Brian Jernigan wrote:

> I'm still researching compasses for my newly completed Pygmy Coho.  I'm
> interested in the two similarly designed models above, but no local stores
> have them for me to look at.  Aparently the 4/98 issue of Sea Kayaker had a
> review on the Plastimo.  If anyone has a copy they could read & post a
> summary of the pro's and con's I'd appreciate it!  Both seem to be high
> quality hand bearing compasses w/ 2.75 inch diameter cards in the $100 range
> that can also mount to a deck bracket.  My biggest concern is whether they
> attach securely or not.

Overall, they seemed pleased with the compass.  They did note that the
compass did come out of its bracket easily and suggested a way to
prevent that, using a bit of epoxy to build up a lip to prevent it from sliding
out easily.  It is possible to tether it as well.   It uses a AAA battery (the
illuminated one) - more on that later...

They mention bubbles forming in the older models (with clear sealant
in the bottom of the compass) and advise that you get a newer model
that has black sealant.  Apparently you can see the color of the sealant
through the front of the compass.

It floats and comes with a wrist tether.

The Brunton 70UNE is probably the same as the Silva 70 UNE that I
got (but haven't installed yet).  In the marine supply shop where I
bought it the salesperson demonstrated how well the compass
stays in the bracket.  I'm skeptical and will investigate further.  The 70UNE
is the illuminated version IIRC (the UN being non-illuminated).  The issue
is the battery.  They use small, expensive little lithium watch batteries
to light the red LED.  These last about 8 hours!  In retrospect, I'd get
the non-illuminated one and use a chemical light stick.  I assumed
(fool) that the shape meant that it had a AAA or AA battery.  I may
try a retrofit.  On this issue, the Platimo looks like the better
compass.    The 70UN(E) also doesn't have a tether or means
of attaching one.  It does float.

I bought the Silva because, coming from a sailing background, I like
having a sighting compass for bearings.  Hiking/orienteering compasses
don't cut it IMHO.  However, looking at cost etc, I'm beginning to think I
should have got a regular flat hiking compass and stuck it under the deck
bungies.  YMMV.

Mike


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