Tweet
I'm looking to build a tunnel hull set up for SAW racing. I have a friend who races full scale tunnels and He wants me to build a tunnel set up for straight away racing with some other f-1 racing buddies. Of course he wants the fastest one. Was thinking an aquacraft VS-1 W/ OS 21xm lower. Anyone have any suggestions for the power setup. I'm looking to make this indestructable as far as the elecs are concerned.Plan to run 6s. I usually use 4082's but I was thinking maybe a scorpion outrunner. I'm not sure I've never built a tunnel. Any suggestions are greatly appriciated and I'll post my build progress as I go
-
-
Not a scorpion, you need rpm's for SAW and the controllers can't keep up with the Scorpion.
Look at NUE motors.
Do you live in Port Orange? -
I live in north florida. What kind of MODs need to be done to the VS-1? Any CF reinforcing? Redesign bottom stumble blocks? What's the max motor size? The NUE motors might be pushing the budget a little too far. What kind of KV rating for 6S? I usually run 1600-1800 for 6S.Comment
-
Be following this one, I have a VS-1 as well, to be honest I'm not sure it's the right boat for what you are attempting to do. As far as I understand it was basically designed for stock nitro racing, the TS by what I've read are a better design for higher speeds.
May be my setup but it can get a bit hairy with a just UL-1 on it. Runs well, nicely aired out and turns well. But seems like it's about at it's limits.
Interested in what changes you may end up making to achieve your goal.
I have a buddy who has a hotshot 45 he runs on 6s with a t-600 outrunner that thing flies, using a K&B 7.5 lower. I know a VS-1 will never go as fast as his by a long shot. Would never stay on the water.If my boats upside down then who owns the one I thought I was driving the last two laps?
Comment
-
This is exactly what I wanted to hear...... well maybe not. My friend likes the VS1 but I was worried that it'd be hard to keep on the water with what setup he wants. If I can find a hotshot 45 would a 21xm lower work? I really didn't want to have to build a framed boat but if I do I'd like it to be the hot shot 45Comment
-
What about the DPI 3.5?Comment
-
Let me save you some time and money, I am working on some SAW tunnels P&Q and will tell you the VS-1 will be airborne in a hurry and if you get to the 60-70mph range one crash and you have toothpics. The TS-3 is proven and holds the NAMBA P record and has run into the 70's. The Lxnx or for me a Shaman is a another choice. The Hotshot never was or will be a good SAW hull. When you get to Q (6S) the 4082 is a second stringer compaired to a Neu or Castle. We are pushing low 70's unoficially with a 1521 Castle on a Warhead also a VanHoughten hull. The OS lower will hold P or Q power but on our boats the Lawless and K&B .45 lowers hold better at speed. The current IMPBA records are held by Mike Luszcz's hulls and Neu/Castle power which are both proven. A lot of pavement has been laid here so why go offroad.
Mic
Mic Halbrehder
IMPBA 8656
NAMBA 1414Comment
-
Mic,
Thanks for the info. Tunnel boats are not my thing. So I'm learning. My friend just picked out a few hulls he liked and that's were we are now. I'm just trying to get the best possible results with a balanced budget while having the option to upgrade elecs for more performance. I'd love to find one of mike's hulls but he's not making the kits anymore. It just seems like there's not much to choose from. One thing I might not have made to clear, I'm not trying to set new SAW records, I'm just trying to get my friend a tunnel that'll smoke his friends in straight away or drag racing. I'm not sure what he's up against but I think they're all running outta the box boats. He doesnt want an outta the box boat he's looking for a custom built boat. I'd like to get a hull and outdrive that I can setup with a leo but can also handle a NEU or Castle when he decides he wants to go faster.Comment
-
Thank you to all for your contributions here. I appreciate the guidance. Keep it coming.Comment
-
If I was setting up for a smoke and impress your buddies budget tunnel project I would go with a 1515/2200kv Neu on 4S or 1515/1500kv on 6S. I have run both on a Shaman and either will go low to mid 60's. The 4S is a little easier to fit batteries into as tunnels are narrow. I see no reason the TS-3 won't go just as fast in a straight line and it is inexpensive and availiable. A Swordfish 200 amp is compact and also fits easily into a narrow radio box. Going to a 4082 leopard 1600/2200kv won't get you any speed just more heat. A 1521 Castle/1600 on 6S with a Swordy200 will get you near or into the 70mph mark but handling will suffer and you will be retrieving constantly. A 4074/2200 is a good fit but not near the quality of the Neu. An OS lower will work but not handle as well as the .45 size K&Bor lawless. The Hyperformance bullet drive does not work well on a high speed FE.
Mic
Mic Halbrehder
IMPBA 8656
NAMBA 1414Comment
-
Well this what I came up with. I picked this up yesterday as it was on its way to brandon. Far from a VS-1 and it's setup for nitro but I think a conversion thread will pop up sometime soon.
DSC02891.jpgDSC02892.jpgDSC02893.jpgComment
-
Very nice! What hull is that? Looks like a Cobra, Vision? I just finished a conversion on a JD WOF 30" tunnel this week. Just need one nice day with less wind and rain to test it out.Comment
-
It's a Vision 40. If I do go electric I have no idea where to start. I just picked up a gallon of 50% so I definitely go through that first. I picked up from James Oval Express Racing. He was on his way down to brandon and he had it registered to race but it went home with me. Can't wait to get it runnning. I haven't run nitro in sooooo loooong. I'm kinda excited, that is if I can find a lake to run it in.Comment
-
Doing the conversion is really not that bad. I've done 3 so far. Basically need to remove the old radio box, figure out where evrything will go and build longer box. No problem, right. LOL If you do a build thread there are quite a few guys that have done the conversion that I'm sure will chime in. From what I've read the Visions are GREAT running and handling hulls.Comment
-
Just picked up another nitro. this one came from ebay. No plans for conversion in the works yet. but we'll see. Can't wait to this bad boy in the water.
$T2eC16V,!)sE9swmZwIRBQf0HbJsWw~~60_57.jpgComment
Comment