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It's not quite centred to be honest, anyway I'll give it a run and then make an assessment. Sounds like the bent tube is right. But may need to tweak it a little. Cheers for the help fellas. Any photos of other setups would be great

I would rather move the strut over and have the stuffing tube straight, with the prop offset from the centre but unsure if that's an issue. Mixed feedback. Yeah bugs me looking at it haha. I shall give it a run and see how it goes. Looked like it went well in videos.

No worries. I'll give it a run and see what it's like I wouldnt mind it being straight. To get that I would either have to move the motor over 1cm or so, and the shaft through the hull. Or have the shaft straight and not centred moving the leg (would prefer to do this). Are either of those...

Hi all. Recently purchased a 1/8 scale hydro looking to go over it all and make sure it is setup right. The prop shaft angle was the first thing I noticed. It is kinked off to the side, seeing the hull is not symmetrical. Just looking for some advice if this is the correct position for this...

Thanks for that Carl useful to know. I think water cooled would suit me. Perhaps fitting the water cooler head to the air cooler version could be a go, mix and match parts

Hi Kris Thanks for the reply that is really helpful. I looked at a variety of videos on youtube, quite a few but didn't find too many that told more than trim a bit off until the blade spins freely and doesnt sit in one spot. I will have a go trying to remove some material off the hub. Happy...

Thanks Kris & Brad. I had been trying to balance a few props but hadn't had much success, is there any on here that would be able to give advice around this? I'd like to try master this art. It seems possible to get for example a two blade prop balanced with a blade either side (horizontally)...

Good to know thanks for that. Perhaps will consider one of them. A little harder to find the water cooled ones now to

Hi Grim. Just to run on my tunnels. Both of my others are water cooled. I feel a little more comfortable about water cooling over the air cooling. Do they get a bit hot at all the air cooled ones or easier to damage in that respect? What do you mean by more authority? Do they accelerate that...

No worries, I will sharpen and balance those props and give them along with some more fuel a bit of a go. Wouldn't mind getting a professionally sharpener prop, is there a few guys on here that do them? I run the OS boats at Taupo, very large lake but far away. I also have an old lap cat with a...

Hi all, Is there much difference between the OS 21xm and the later version two? I see some people say the V2 is quicker. Is it really that? OS's figures give the same HP and RPM which I would have thought makes them fairly close. I see they have different part numbers for components so some...

Hi Kris, Cheers, the gold boat was the first one I did, the black one I spent a fair bit of time getting the stickers and layout to match Tom Percivals tunnel hull which I have modeled the stickers from. They're clear coated over the top to not come off. No worries I will mix up some fuel and...

Hi Guys, after some advice setting up a tunnel. Have a few 3.5cc's (OS outboards and Prather lapcats) that I have built and have been for recreational use, would like to get some pointers on getting a bit more speed. Current prather lap cat hull and OS 21xm. Standard plastic prop. 10% nitro...