In your second pic ( where your holding the rudder) flip the mounting bracket 180 degrees and set the rudder so the servo steering rod just clears the inside of the rail - like this
as for rudder height , go for around 2/3rds of the rudder below the hull.
In regards to engines, go for a Zenoah or a RCMK engine - don't bother messing around with the CY engines
Hull looks good mate, Once up and running you will enjoy a day at the lake, Personally if you are not going to stick a Twin in there the RCMK's are great bang for your buck. Have one in each of my boats.
Well I went from a stock 26 Zen to an RCMK S254 and gained an additional 10km's/hour in speed, That engine was just under $ 300 from Hobby Supplies in Victoria, In my Conquest Cat I have the new RCMK K -30s Side Exahust engine but can't offer feedback as I am yet to run this one. Only issue with these engines are the Pull Starters are crap but thats a simple fix, Just swap it out for a a Zen E-Z Starter.
I don't know anything about the CY Boat engines but you can always trust the relability of a Zen
I see you are in Adelaide, Just drop into Powerslide Racing as I know he has some well priced Zens for sale at under $ 300
Wouldnt gas be better as its cheaper to run with petrol where as nitro is expensive. Its a big hull, would it need the weight of a gas motor for correct balance/cog?
Automotive bog is good for scratches and chips. You should use resin and fiberglass mat on the inside of the hull for the holes, then full them in with resin on the outside.
Without the mat on the inside the holes will eventually split.
I am jealous LD, nice hull. I think you need to get a gas engine for it, anything less would not do i justice. Why go for 10 min runs on lipo when you can go for a 30min run on gas. Cost wise it is probably cheaper to go gas as well, $300 for a motor has to be cheaper than motor, esc and a couple of 8 or 10S lipos.
Just looked, 2 10S 40C lipos from HK are going to set you back more than the cost of the petrol motor. Go gas, go hard.
Yeah I have been looking at different brushless motors this morning and they are almost the price of a gas motor, then there is ESC and all the hardware that would be required. (I have lipos)
Its def going to have a gas motor. Plus I love the sounds they make!
I have finally peeled all the crappy stickers off. It took about 2 hours to get them all off, was a pain. But now it dosnt look so crappy and used, now its just a blank canvas.
Question - when I mount the rudder etc, does water get into the hull through the mounting holes? if so what do I need to do?
It's unlikely you'll get enough water through the holes to cause any problems, you could seal the screw hole with left over Sikaflex if you really want to.
The stuffing tube exit is more important to have sealed well.
The hole where the rudder control link goes through the hull will need a rubber boot on it as well.
Looking good Matt! Now you just have to decide whether you get a trampoline or a nice shinny new engine. lol
I recon I know what the answer will be. lol
The guy I bought the hull from has a CY motor he is willing to sell me, it cost him $300 new and he has not even fitted it, he wants $270 for it. I think its a 27cc.
I would go the RCMK. Check out their website. He is in Korea but shipping was extremely quick and he stocks quiet a bit of gear to help like motor mounts, exhaust pipes and headers. water pickups and water pipe. Buy about 3 times the water pipe you think you will need as I ran out 3 times lol.
And to boot they are very resonably priced. The RCMK motors are somewhere around 5ish HP depending who you ask. Stock Zenoah is about 3ish and you will spend more then the cost of the RCMK to get the zenoah up to that output.
I've clocked my cat with the S254 motor at approx 90kmh. And there is still some setup left to go.
I've got 1 brushless boat, 1 brushed boat (homemade project), and 3 large scale gas boats. The brushless is fast and easy to run but still requires bit of maintenance. The gas boats require a lil more but not that much more. And there is just something about the sound they make lol.
Look forward to seeing the build mate. Any questions just ask away
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