Mike - for something removable and rarely used, you may want to consider self-fabricating a stern pole. It’s a bit of work, but I’d suggest the type that drops into a fiberglass tube glassed in and supported with gussets below the stern deck. If you design and install it well, you can get away with minimal lateral support above the deck, and you could arrange things so that you just pull the tube, disconnect the radar and cap the hole when you’re not using it. The tube below-deck tube should extend as far down into the hull as you can get it, to provide support for the stern pole.
Here’s a guy who did a similar job on his Tartan: http://www.oceannavigator.com/January-February-2003/Installing-a-radar-set-on-an-older-vessel/ You wouldn’t need to use Edson (or ScanStrut, or…) hardware for the pole itself; get aluminum tubing of the correct diameter to mate with your top plate of choice, and have it powder-coated. That’ll save some $$$. — Fred Fred Street -- Minneapolis S/V Oceanis (1979 C&C Landfall 38) -- on the hard in Bayfield, WI :^( > On Oct 31, 2016, at 1:40 PM, Hoyt, Mike via CnC-List <cnc-list@cnc-list.com> > wrote: > > A question to this list about mounting a radar > > I recently stumbled into a situation where a 5 year old Garmin radome that > was the exact correct model for our Garmin GPSMAP 740 chartplotter became > available for just under $500. Given this great price and our recent night > trip up the coast in heavy fog we decided we should snatch this up. > > We like to be able to do a bit of cruising on our boat but we also like to do > some racing. As with all the other cruisy stuff (dodger, bimini, etc) I like > the option of being able to install it only for a cruise and leave it home > the rest of the time. I do not wish to have the radome mounted on the mast > for this reason (and the wear and other issues on the jib). Was thinking of > either a backstay mounted solution or a removable radar pole at the stern. > Something like the Scanstrut SC100 series. The issue I have found is that > the backstay mount and removable pole mounts are extremely expensive and we > are not even certain how much we will use this. > > Any advice from others on this list or knowledge of a used pole or perhaps > info on how to manufacture my own? > > Thanks > > Mike > Persistence > HAlifax
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