I'm looking at 20 x 10 x 8 club cadet lawn mower wheels and tires that can be bought at tractor supply for $90 each. The rim has a 4 x 4 hole pattern where you could attach an idler hub with a 1" bearing bore for 1" OD steel aircraft tubing. Total cost would be under $250, less craddles. Cutter pins and washers to hold the wheels in place. You can even get Carlisle slick tires, that are used on golf course if you wanted to change out the rubber the rims come with (turf tires). Tires are rated at 1,000lbs each in carry weight. What do you think of this approach?
Added: or you can get 1" collets with set screws to keep wheels in place.
Edited by goodsailing on Apr 02, 2015 - 07:01 AM.
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Homemade Beach Wheels
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Posted: Apr 02, 2015 - 06:55 AM
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Posted: Apr 02, 2015 - 07:07 AM
many have tried - few (if any) have succeeded
you can search this site and other catamaran sites for all the dozens and dozens of people whom have tried to build a better mousetrap (or cheaper) - in the end ... most fail -
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Posted: Apr 02, 2015 - 07:21 AM
The tires on the beech wheels for $700 or so shipped are 20 x 12 x 8. So is there any explanation where 2" more in width of tire works, and where a 10" tire would not work? We are only talking about 2 tires and and a steel rod.
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Posted: Apr 02, 2015 - 07:33 AM
They say, 20" ATV tires comprise beech wheels. Problem with ATV wheels, the rims are not what is needed. Hence, the beech wheels people came up with their own rim. Tires are common.
I say, simply use a common rim, with a common tire.
There's not too many that have made wheels here from any search and even include: ATV tires are what is needed.
http://www.thebeachcats.c…unc=viewtopic&topic=2037
Since I'm in need of wheels for another boat project, not as wide an axle than what is used for cat, I'm inclined to buy a set to experiment. I know these wheels will work for my other boat. It is unknown if they'll work for cat. But I'm thinking they'll work. Next time you are in tractor supply, look at the 20 x 10 x 8
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Posted: Apr 02, 2015 - 07:49 AM
This is the tire needed, same one on cat trax but, try and find a 4 x 4 8" hub for it, is the problem. Might take more research. Perhaps a golf cart rim would work. This tire suppler had no idea where to get a rim. You need a rim that will accept a 1" bearing bore for your axle.
http://www.tires-easy.com…t_kw=&wt_mc=sortpricecom
You need 9.5" WIDE x 8" dia rim with 4 x 4 bolt pattern for this tire. These tires are also used on J cub aircraft for tundra tires. the matco aircraft rims would be too heavy/ expensive.. etc. There are 7 and 8" wide rims, that MIGHT work.
Edited by goodsailing on Apr 02, 2015 - 08:01 AM.
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Posted: Apr 02, 2015 - 09:40 AM
I will be impressed if you can create a product as good for less money
but it is possible (maybe) :)
you seem to have a lot more time to dedicate to this project than i would - i am cheap but my time is the most valuable thing to me.
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Posted: Apr 02, 2015 - 10:20 AM
With googles help and knowledge of terms (idler hub etc) I'll spend an hour to save $500 any day. That's almost a price of a good fixer upper cat or a whole season worth of gas to and from the water. Salt so Sealed bearing hubs. Switch to 1" OD aluminum tube. In fact, if I post supplers/products here via links, one might only spend 2 minutes getting materials and 30 minutes drilling holes in the tube to put the cotter pins... not to mention getting the rubber on the rims
added: That any lawnmower place could do if you can't do that yourself without those motor cycle tire wrenchs and goo and that big strap to wrench around the center of the tire to compress the sidewalls up against the rim so that it will hold air to fill it.
Edited by goodsailing on Apr 02, 2015 - 10:22 AM.
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Posted: Apr 02, 2015 - 11:47 AM
Split this off of the "Plastic vs Rubber" beach wheels topic.
Please do come up with a recipe for easily building cheap beach wheels. -
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Posted: Apr 02, 2015 - 12:20 PM
Damon: You are a saint!
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Jerome Vaughan
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Posted: Apr 02, 2015 - 12:55 PM
More
than saint 
But I really am interested to see if someone can come up with a homemade beach wheel recipe that would perform the job of the real Cat Trax on soft sand. If I had the money I'd put up a prize like the Jules Verne Trophy awarded to the designer that can come up with a successful recipe.
Trophy Requirements:
1. Cost of ALL parts and pieces involved no more than 50% of equivalent Cat Trax.
2. All materials (parts and pieces) must be commonly available to the public at a hardware store or through online purchase.
3. Time to assemble complete set of wheels from above no more than 8 hours for the average (not professional mechanic) sailor.
4. No special machine tools needed beyond what can reasonably be expected for a sailor to already own. (things like power drill, screw drivers, wrenches, saber saw, tin snips or most hand tools are OK, drill press, table saws, hydraulic press, welding equipment etc. are not)
5. Performance must be on-par with real Cat Trax when used on a 400 pound catamaran on deep soft sand for effort required to roll, loading/unloading, and turn radius.
Here are some issues I see over and over that make homemade designs fail. (there are others)
1. Weight, home built beach wheels tend to either be too fragile or way too heavy.
2. Cost, the rare cases of reasonably performing home made beach wheels cost as much or much more (especially when considering they usually require machine tools) as the much disparaged price of the genuine article.
3. Performance, real Cat Trax beach wheels roll like magic across all surfaces including the deep super soft sugar sand of the gulf coast. I've never seen a pair of homemade wheels that work in deep soft sand. Some work well on asphalt or hard pack sand.
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Damon Linkous
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Posted: Apr 02, 2015 - 04:35 PM
You want my receipe...
The tire is a given. Source 8 x 9 aluminum rim with hub/ 3/4 or 1" bearing. The problem is getting the bolt pattern of the wheel and hub to match. 1" x OD aircraft tubing is $8/ft x 8ft. I'm 90% there...
Edited by goodsailing on Apr 02, 2015 - 05:54 PM.
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Posted: Apr 02, 2015 - 06:01 PM
Not sure if this was lost or not. I need a 2 ft wide beech wheel dolly for another boat. So consequently, having two axles, one 8ft long and one 2ft long using these same wheels with the same hub would suit my purpose for the cat and the boat I'm building. Buying the cat trax for the cat, wouldn't work for me with my other boat, so is the reason I'm investigating DIY beach wheels that will work for both my boats. Just thought I'd put this in there for reference.
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Posted: Apr 02, 2015 - 07:24 PM
Forgive me for being skeptical, I'm rooting for you, but frankly don't think you have a chance in H of making the price point.
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Damon Linkous
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Posted: Apr 02, 2015 - 10:21 PM
What exactly is the price point of Cat Trax shipped. I've read $700. Is this correct? I'm seeing tires $85, Hubs and wheels $120 and steel tubing $80. ... with the only machine tool a drill is necessary. Unless of course you buy collets with set screws and then the only tool needed is a scewdriver.
Added: then there's the cost of beach front property where you can even use beach wheels--Priceless! (I wonder if most cats are owned by people who have beach front property anyway, as finding a beach to launch a cat are few and far between.)
Edited by goodsailing on Apr 03, 2015 - 05:47 AM.
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Posted: Apr 03, 2015 - 10:48 AM
Factory prices of the Cat Trax are here.
http://www.floridasailcraft.com/CatProducts.htm
Standard trax without cradles are $459, the "$700" number comes from rounding up with $579 price of the trax with cradles plus I guess a lot of shipping.
So the target price of the "Homemade Cat Trax" trophy is $230 worth of materials.
FYI, for your H18 cradles are very nice and make the trax easier to use, but not required, I've never had cradles. Most of the modern boats require them to prevent damage to the bottoms but the H18 is built so strong it's not a problem.
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Posted: Apr 03, 2015 - 11:28 AM
Why half the price of Cat Trax? The above pricing is $285 using the nanco rubber. OK then use the Carlisle's tires which are rated at more weight limit that come with rims from tractor supply-- not sure the pulling or pushing differential between a few more inches of rubber on the tire etc. That's $190 rim and tires(20 x 10 x 8), hubs 1" shaft $40, steel tubing $80=$310, plus you have pins and washers.
Or wait for club cadet wheels and tires to come up on CL for cheap, or buy used set the Cattrax--(looked into that but the guy said, cracks in rubber and hardly held air etc.)
So wait for parts nancos/hubs/rims at $285, or drive over to tractor supply and buy the two 20 x 10 x 8's complete wheels. Order steel which you have to order anyway, I'm 1 hr from shop where there is steel.. for $310 total build. No welding or machining parts.
OK I'm not winning any trophy but I might save a couple of hundred, plus get different axle length for my other one off boat I'm building.
I'll defer to other entrants for the grand prize
BTW--what is the prize? --
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Posted: Apr 03, 2015 - 12:02 PM
It's really gonna be difficult to out do CatTrax for less than the real deal. I know a guy who must have spent weeks of work and a lot of money on building a Hobie 18 trampoline when he could've just ordered a brand new one for $220. At some point you have to trust a professional company that's already done the research and development to put out a proven long lasting durable product. If for some reason you can build light weight tough beach wheels that can carry a heavy load for under $300?? Open up a business!! You'll get rich ;)
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Tim Grover
1996 Hobie Miracle 20
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1983 G-Cat Restored
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Posted: Apr 03, 2015 - 01:27 PM
DIY Tramp involves precision sewing, tayloring, setting gromments , grommet tool etc. to get it right. I would not venture with such a project unless I was in the upholstering business and had tools. Bolting on an idler hub to a wheel you bought ready made, and running a steel tube through the bore and inserting a pin to hold the wheel in place is considerable less effort than manufacturing a trampoline. Not the same DIY project. You will note however I did go to junk yard, got seat belt webbing and replaced the foot straps to my tramp. I try to stay positive. If not, what do we have to look forward to. Thanks for all the help and encouragement...
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Posted: Apr 03, 2015 - 02:54 PM
Um.... Trampoline was made out of wood. Hahahahaha
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Tim Grover
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Posted: Apr 03, 2015 - 03:03 PM
Why not? That's the rule for my my mythical trophy, and because if you are saving less than that then why bother?
Just remember, steel pipe is heavy, steel rims and hubs are very heavy, and lawn tires are heavy.
So build your best effort, show us the cost list, weigh your beach wheels, and then use them to move your Hobie 18 around on very soft sand and report back.
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