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I can't believe what I'm reading, twins! Look forward to seeing how the drives work out.
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Is weight a concern when filling those tips with epoxy/carbon? I'm thinking to fill the tips with epoxy/micro balloons/fiberglass millings and redo the foam on the front of my hull... as I have great stuff foam in there right now lol. Dasboata kind of changed my mind about using it. Thought it'd work just as well and could absorb impacts, etc.... guess not.
I just wouldn't know how much epoxy I should be using in the tips... and don't want to go overboard by putting too much and adding more weight than necessary.
Also, how far into the hull do you lay the carbon cloth... as soon as the foam starts or closer to the tips?Comment
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These hulls are light to start with. A little extra weight actually helps to keep it down at high speeds. I actually sand as far up as I can and put carbon as far as I can reach. My inlay piece is 14.5" x 16". I need to show pics on how I'm doing this one but I've used a couple separate pieces in the transom area to get all back there. The foam and the inlay do join. The foam does add some strength to it. I add epoxy and chopped carbon to the whole bottom on the sponsons from front to rear. I'm also trying to come up with a way to make a sanding tool to reach farther up towards the tip so I can sand the seam. I want to add a strip of carbon across the seam. I'm trying not to make this boat too heavy as its already going to have two motors and two escs. I wish I could use one big Esc to drive both motors. That would be awesome.32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) wasComment
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The owner/builder of these power systems, Bruno, is super nice and very helpful. I have one of his surface controllers running my Losi 5ive T with a Castle 2028 motor on 12s. It is a Beast!
The controller I linked here is not in stock, but shoot him an email, perhaps he would put a custom one together for you!Comment
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Finally got the inlay done.
32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) wasComment
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I wanted to try out a tp motor because I was thinking about changing kv to a little higher if this boat runs right. I ordered a 3040 a few days ago from straight from tp (I checked ose store first and they don't carry them) and it showed up yesterday. They started screwing on the end caps instead of glueing them. Good move. The older tp motors I've run across were glued so I'm not sure how long ago they started screwing them. I've go a boat to try this one out to directly compare with the same case motors I'm running in here. So I should know this weekend how these little motors fair. It's exactly the same size as a 1415.
32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) wasComment
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Why not TP 4050's ? It would probably haul alot of ass on a small hull like that :)
Btw, how short is too short when shortening the motor wires on these TP's ? They shouldn't be like the Neu's where they are soldered onto the winding wires and cause issues if they are too short or overheated when soldering right. I was thinking to leave only like 1-2 inches max... Seemed like the cleaner way to go since the SF motor leads are long enough and would remain untouched.Comment
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Yea a 40mm motor don't fit. I've got to squeeze these is as it is. I also have to watch the weight on this thing too.
You can't cut these wires. They are hard ones like the neu motors. These motors are actually built pretty well. I may be switching the castles out. These look better too. Trying to get the drives installed tonight. It'll be downhill shortly.32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) wasComment
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.NAMBA20...Caterpillar UL-1, P-Spec OM29, P-Mono DF33, P-Spec JAE, Aussie 33" Hydro-LSH, Sprintcat CC2028 on 8s, PT SS45 Q Hydro, PS295 UL-1 power, OSE Brothers Outlaw QMono 4-sale, Rio 51z CC2028 on 8s
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Well I wanted to take some pics but you won't see much. The drives are being tacked in place and the boat is taped to a glass table with the drive tubes shimmed and clamped in place in a level position. I'll take some pics tomorow and I've also got to make some sort of braces for them. One flip at high speed and they may break off. Stay tuned.32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) wasComment
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kfxguy: So no point of shortening these motor wires at all then? I'm assuming long battery wires are the most important...Comment
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Here's the drive tubes. I've got to make some supports and support blocks when get home this evening
32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) wasComment
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They sure look cool! You would know much better than most if running a fixed strut will give you what you need. Did you find most boats, singles included end up with the strut or stinger in the neutral position once dialed in? I'm looking forward to seeing this come together and you on the water with a twin, finally!Comment
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I'm kinda just winging it lol. I guess I've got a decent knowledge base to get somewhere. Everything I've built fast liked the strut level at high speed for sure. At lower speeds some like a little positive. It's gonna take a couple days to finish these struts. They were just tacked in in the pics. Now I'm epoxying them from the inside. Then an aluminum block for support on the outside along with a 3mm plate from the overhang to the tube.32" carbon rivercat single 4s 102mph, 27” mini Rivercat 92mph, kbb34 91mph, jessej micro cat(too fast) wasComment
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