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ContinuousWave Whaler Moderated Discussion Areas ContinuousWave: Whaler Repairs/Mods RPS "Z" Legs
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Author | Topic: RPS "Z" Legs |
prj |
posted 02-27-2004 09:51 AM ET (US)
In light of the conversation in the Marketplace Forum, I have a few questions regarding the plastic RPS legs. I've recently purchased an 18' Outrage Q: What type of degradation is occuring Q: Is there a specific weak point, such as a thinner Q: Are there only brown legs, or have black legs Q: If there are brown and black legs, does anyone know Thanks for the assistance. |
kamie |
posted 02-27-2004 10:36 AM ET (US)
prj, I'll try to answer some of your questions. I'm sure someone will jump in if I get it wrong.
Specific part of the unit that fails. I have not heard of anyone that sat on their RPS one day only to find themselves on the deck According to Tom, "brown plastic resin (1975-1994), white plastic resin (1991-199?) and black plastic resin (1995-2002)" So the 1990 Outrage would have had brown legs. http://continuouswave.com/ubb/Forum1/HTML/004236.html
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Tom W Clark |
posted 02-27-2004 10:41 AM ET (US)
Patrick, A: The typical degradation that is suffered by these plastic legs is discoloration or fading. The plastic deteriorates and becomes "bleached out" and the surface can even become a bit fuzzy. The plastic legs almost never actually break. A: No, there is no weak point that I am aware of for the plastic legs. I am sure that if subjected to extreme stress under laboratory conditions a particular point might fail, but I do not know where that might be. The aluminum Z-legs WERE prone to breaking as well as becoming unsightly from salt water corrosion. That is why the plastic versions were developed. A: No, there are not just brown legs. There are also white plastic legs used on the Outrage 17 and the black plastic legs that were used late in the 1990s. The original RPS Z-legs were made of unpainted aluminum, however. These were in production from 1970 when they were first designed to c. 1974. A: A 1990 Outrage 19 (not Outrage 18) would have had the brown Z-legs if the optional RPS was installed. It should also be pointed out that there were two versions of the brown Z-legs. The first made from 1975 to c. 1980 were modeled on the aluminum ones in that they did not have the pivot frame locating notches in the top of them. The pivot frames on an RPS thus supported had blocks of plywood screwed to the underside of the seat cushion to hold the pivot frames in place. At some point they figured it would be better to alter the Z-leg mold and cast semi-circular notched into the top of the legs thus simplifying the assembly of the RPS. |
prj |
posted 02-27-2004 11:32 AM ET (US)
Many thanks for the excellent responses, Gents. I've asked my father to look at the boat Curious on two points: 1. How did Tom accurately get my first name... 2. While I don't have my HIN information handy, Thanks again. |
Tom W Clark |
posted 02-27-2004 11:55 AM ET (US)
Patrick, 1. I can put two and two together. Your firm's web site is referred to in your profile, as well as the fact you pointed to it in another thread. 2. Maybe it's a 1989 model? Maybe some of the 18' 6" long Outrages they made in 1990 received the last of the Outrage 18 decals? Who knows. It doesn't really matter; It's the exact same boat either way. I honestly doubt you need a replacement set of Z-legs. the ones that look bad are the ones that have been sitting outside exposed to sunlight for 20 years. The Z-legs I had made last year as well as the black ones of recent Whaler production, have a UV stabilizer in them that the originals did not have. So theoretically, these will last longer. |
whalersman |
posted 02-27-2004 12:20 PM ET (US)
Tom, Just for the record on the "Notches" for the Z Legs where you state they were "not" molded in on the 1975 to c. 1980 models... I had a 1978 Montauk with the Notches molded in. I am not sure about the 1976 model.. Joe Kriz |
Tom W Clark |
posted 02-27-2004 12:34 PM ET (US)
Joe, Thank you. I was not sure of when they were added. Good data points. |
BillB |
posted 02-27-2004 01:11 PM ET (US)
I have the original legs from my '76 Montauk (Shipped Nov. '75) They are not notched and lack any kind of pigment. They are coated with a whiteish paint/gelcoat? I cut a 1/4" into one with a pen knife and there is no indication that they ever had any color....just a neutral colored fiber filled resin. Another variation? If anyone is interested I'll measure them and take some photos this weekend. Bill |
David Jenkins |
posted 02-27-2004 02:40 PM ET (US)
I would love a photo. I have no idea what everybody is talking about when they mention a "notch." My 1974 boat has the older style aluminum legs. I have ordered two sets of legs with the idea that I could lay a 1-inch thick, 1-foot wide, 4-foot-long mahogany board on top of the legs. I will not be using the legs with an RPS. Will I be able to use the new legs for this application? |
whalersman |
posted 02-27-2004 03:28 PM ET (US)
Tom and everyone, I must retract my last statement on the "Notches" for the RPS legs is the 1977 and 1978 Montauk model.. My 1985 Outrage has the 2 separate notches for the pivot frame and no wood blocks... So, Tom was right as it appears sometime in the early 80's they changed the design of the Z legs to incorporate the 2 separate notches... My apologies..... Joe Kriz |
David Jenkins |
posted 02-27-2004 03:33 PM ET (US)
I'm getting worried about these notches as I have just committed to buying two sets of legs. Can you attach the bottom of the new legs to the deck and lay a flat board on the top of them (rather than an RPS)? Where are the notches? |
BillB |
posted 02-27-2004 04:06 PM ET (US)
David, I have a pair of the "new" brown legs from the last order. The notches will not prevent you from fastening a plank to the top. They are only large enough to accept the stainless tubing in the RPS, leaving a large "flat" for attachment of a seat. Bill |
lhg |
posted 02-27-2004 04:40 PM ET (US)
I saved the original RPS legs from my 1989 Outrage when I installed the new ones from Tom. I did this only for appearance sake, to look better next to my newly varnished teak riser blocks. First of all, the old ones were still perfect structurally, just looked a little color UV faded. But the brown color of the new ones, although looking good, is nowhere near a brown color match to the originals, either on the 89 boat or my 86 boat. |
David Jenkins |
posted 02-27-2004 07:57 PM ET (US)
Thanks, Bill. Now I understand what is meant by "notched." |
Tom W Clark |
posted 02-27-2004 10:58 PM ET (US)
David Jenkins, As Bill points out, the notches will do nothing to interfere with your plans. Here is a photo a Z-leg: Note that the leg is displayed upside down and that the colors have been changed digitally. This is actually a photo of a brown leg. It's amazing how faded those old brown legs can get, isn't it? |
David Jenkins |
posted 02-28-2004 09:34 AM ET (US)
I will probably use them upside down, just like in the photo, unless someone can tell me a reason not to do so. |
mtbadfish |
posted 02-28-2004 12:15 PM ET (US)
Do the new style legs have the same "footprint" top and bottom as the older early to mid '70's legs? |
Tom W Clark |
posted 02-28-2004 12:42 PM ET (US)
David Jenkins, It would probably be OK, but the tops are designed with the gussets that resist lateral bending forces, so if they are inverted, you give up a little lateral stiffness. Also, the foot print on the deck will be bigger and you will have a slightly harder time scrubbing the deck around the legs. Michael, Yes. As far as I know, the foot print is the same, top and bottom. |
mtbadfish |
posted 02-28-2004 12:55 PM ET (US)
Thanks Tom |
kamie |
posted 02-29-2004 03:33 PM ET (US)
Anyone know the distance from the console to the start of the RPS legs. Thanks |
sailorson |
posted 03-01-2004 01:45 AM ET (US)
The RPS legs on my '95 17 Outrage were badly deteriorated and after trying pressure washing and several chemicals to restore the finish, I used a heat gun and "fused" the plastic back to a smooth surface. I don't yet know if it will endure but it looks good for now. |
Tom W Clark |
posted 03-01-2004 11:35 AM ET (US)
sailorson, Are the Z-legs on your 1995 Outrage 17 white, brown or black? |
sailorson |
posted 03-01-2004 03:02 PM ET (US)
White |
sailorson |
posted 03-02-2004 04:32 PM ET (US)
Another question regarding the RPS legs... Is there a front/back to the legs? I have seen pictures in Cetacea that show them oriented both ways. Did Whaler use the same legs on the Montauk and the 17 Outrage ('95)? |
Tom W Clark |
posted 03-02-2004 05:22 PM ET (US)
sailorson, The Z-legs are exaclty the same, apart from the color. Why Whaler chose to use white Z-legs only on the Outrage 17, I do not know. As far as I know, it's the only model that ever received them. Yes, there is a front and rear, though the screws will line up either way. The legs are designed to "lean" backwards, but some people have them reversed either through personal choice or ignorance. The photos of Hooter's boat show them reversed. |
sailorson |
posted 03-02-2004 05:55 PM ET (US)
Tom In my case - ignorance. That's how they were installed when I purchased the boat. Oh well, one more item on an already extensive list... Thanks for all the great information. I have been mining this website for several months during my restoration project and the sharing of wisdom and experience is invaluable. |
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