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Author Topic:   2002 Ventura Radar
c u in oc posted 12-04-2002 08:50 PM ET (US)   Profile for c u in oc   Send Email to c u in oc  
How can I install a radar antenna on a Ventura? Since it does not have a t-top like a center console for mounting, and it is more a runabout walk thru, where would it mount effictively? Thanks!
Barry posted 12-04-2002 09:09 PM ET (US)     Profile for Barry  Send Email to Barry     
You would probably have to add an arch. A mast bolted to the floor and tied to one of the consoles might work but would block some of the space between the consoles and would prohibit the use of any canvas. You could still use canvas with the arch.
Barry posted 12-04-2002 09:23 PM ET (US)     Profile for Barry  Send Email to Barry     
Here's what you need. Check out the Air Tower Wake Boarding Arch http://www.atlantictowers.com/airtower.htm .

If you select More Pictures you will find that they actually have pics of this product on a BW Dauntless 17 and 20.

I guess the bad news is this could cost more than your radar.

c u in oc posted 12-04-2002 10:04 PM ET (US)     Profile for c u in oc  Send Email to c u in oc     
Barry, Thanks for yoou help. Will look at my options. Larry
jimh posted 12-06-2002 09:20 AM ET (US)     Profile for jimh  Send Email to jimh     
The welded-tubing arch seen on many boats is known as a "radar arch" because the original purpose of many of them was to provide a mount for a radar. They now more commonly carry rod holders and radio antennas, but the name is still "radar arch" most of the time. It is an expensive solution to mounting a radar, as a custom welded arch can cost $4,000.

There is also the issue of having proper hull and deck structure to mount the arch. Consider the wind loading on the arch and boat if you plan to trailer the boat on the highway at speeds of 60-MPH or more.

The arch must be high enough to allow passengers to walk underneath it. This tall clearance may be an aesthetic issue on a low, runabout-style boat like the Ventura.

On sailboats a radar is often seen mounted on a single mast structure at the stern, but such an installation of a Whaler would be difficult because the Unibond hull construction would prevent through-bolting of the base of the mast.

andygere posted 12-06-2002 11:53 AM ET (US)     Profile for andygere  Send Email to andygere     
I have seen a few commerical Whalers with a smaller U shaped arch mounted just forward of the outboard(s)used for mounting radar domes and antennas. If I can find or take a photo, I'll post it here.
DaveH posted 12-06-2002 12:22 PM ET (US)     Profile for DaveH  Send Email to DaveH     
I have seen a custom radar arch for an Edgewater version (at Hontoon Marine) of the BW Ventura. It was forward canted toward the bow along the windshield line originating from amidships. The forward structural members and backplates can be added just in front of the windshield pillars. It was fairly low profile and not unattractive. I would say that it was probably a $5K job at least.

You could possibly customize it further to accomodate an electronics box, antennas, rod holders and a custom bimini (like the folding canvas roof in a BMW318i car). You did not mention which size Ventura but the 21 foot version is the only one worth that investment

c u in oc posted 12-06-2002 06:03 PM ET (US)     Profile for c u in oc  Send Email to c u in oc     
Thanks all for the help. The boat has a bimini top on it and I don't really want to give that up. Thought maybe having a small stainless steel rod custom made and mounted on the side along side VHF antenna to mount radar antenna on. Not to big, just enough to handle a small antenna. I don't need a large radar unit on a 21 ventura. Would hope it would blend in with antenna. Any ideas or suggetstions, After buying the whaler and electronics, another 3-5K on an arch does not fit into the budget. Larry
Dick posted 12-06-2002 08:11 PM ET (US)     Profile for Dick  Send Email to Dick     
cu in oc

Take a look at the deck mount system on the following web site. It just might work.
www.marinepropellers.com/radarmts.html

Barry posted 12-06-2002 09:35 PM ET (US)     Profile for Barry  Send Email to Barry     
Larry, the prices on the Atlantic Tower products don't look that bad http://www.atlantictowers.com/products.htm . $990 for their "fishing arch" and $1,290 for their "wake boarding arch". I would think that either would hold a small radar antenna. The fishing arch says no interference with canvas while the wake boarding arch folds forward or back.

My guess is that a mast would probably run around $300-$500. West Marine has a 7.5' unit.

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