KEP's FE-2S Mini Freebie

[Niklas Edlund]

Just knocked out an extra KEP's FE-2S Mini Freebie in similar size as the JAE Mini Sprint.


No, I've not built one (yet), it's just drawn to the best specs I can think of.

Have fun building!

http://www.ne-stuff.net/2016/03/keps-fe-2s-freebie.html

/Niklas

KEPs-FE2S-Mini-Freebie-A2-594x420mm.pdf

 

[BobHorowitz]

Niklas,

For me this is extra cool. I don't know if you remember, but I had asked you how you thought a scaled down 4SL would work. This really rings my bell. The only pond near me is kind of restricted in size, and it's great for my Minisprint. I can't wait to get one of these going! It's next on my list after my 4SL is finished.

Many Thanks,Bob

 

[John Dufek]

Thank you.

 

[Niklas Edlund]

Niklas,

For me this is extra cool. I don't know if you remember, but I had asked you how you thought a scaled down 4SL would work. This really rings my bell. The only pond near me is kind of restricted in size, and it's great for my Minisprint. I can't wait to get one of these going! It's next on my list after my 4SL is finished.

Many Thanks,Bob

Hi Bob, yes I remember. Thats is basically why I did it and its a cool little rigger to play around with (I hope).

/Niklas

 

[Niklas Edlund]

Thank you.

Your welcome.

 

[Niklas Edlund]

What flex and tubing would you suggest for this one?

- A .150" flex with 1/8" shaft?

- Does Hughey have any flex that would work?

- I aim at using a Traxxas Velineon 380 motor (1/8" shaft) - what coupler?

- Prop suggestion for that (4000kv) on 3S?

 

[Tommy Levescy]

http://www.offshoreelectrics.com/proddetail.php?prod=ose-1075

For the cable

 

[Tommy Levescy]

http://www.offshoreelectrics.com/proddetail.php?prod=oct-ocfhe1815

For the coupler

1/4" brass for the stuffing tube and start with like a octura x430 and go up from there.

 

[Niklas Edlund]

Thanks Tommy,

So you use the teflon liner all the way down to the end of the flex tube and use that as the prop shaft bushing also?

 

[BobHorowitz]

Niklas,

I'd probably use the same stuff as the Zippkits Minisprint. 1/8" shaft, 1/8" flex. I'm running my mini with a 3500kv outrunner I think a HK 60amp Blue ESC and a 430 prop. No water on anything. It gets pretty warm. I'm thinking about a 431, but I'll really have to watch the temps.I don't use any liner in the stuffing tube. 2200mah 3s should fit. I'll probably try a similar setup in the new mini design.

Regards,

Bob

 

[Niklas Edlund]

Bob, what brass tube size do you use with that set-up?

 

[Tom Levescy]

No Nicklas you run the teflon to about 1/8" from where the flex and prop shaft come together and you run a brass bushing.

 

[Tom Levescy]

if u go with the setup my son said kintec has 2 really nice options for struts:

 

[BobHorowitz]

Hi Niklas,

I did some measuring this morning. My flex shaft actually measures .130" with a stub shaft of .156". The stub shaft steps down to .125"for the prop. The tube itself measures .187" OD and .156" ID. The end of the tube where exits the ski has a piece of .187"ID x.220"OD tube 1.25" long over it for reinforcement. My boat uses no strut. It all seems to work fine. It's also about as light as you can get and still be strong enough. The only thing that might be better would probably be a wire drive. My Minisprint was built from the Zippkits kit. and this is what the instructions called for. In fact this hardware comes with the kit. I hopes this helps.

Regards,

Bob

 

[BobHorowitz]

Niklas,

I'll send you some pictures later today.

Bob

 

[shoboat]

Niklas,

The wire drive system is the way to go in my opinion,and many others use it

with smaller 12-Hydros. Octura should have the collets and the drive

shafts already drilled out. Jeff Wohlt has the best wire drives in the country.

They are AWESOME, and Jeff is a super nice guy with great customer

service.

Enjoy Testing,

Mark Sholund

 

[Niklas Edlund]

Niklas,

I'll send you some pictures later today.

Bob

No need, I've got it now. Parts ordered.

 

[BobHorowitz]

Niklas,

Did you decide to go wire or flex? If you went with wire, I would love to hear about the setup. I never did a wire setup, and would like to know how it's done. Do you have to use a strut?

Bob

 

[Niklas Edlund]

I will use flex as this a fun boat for me. Much easier (i think) to keep water out from the tub also. In my boat I will keep the ski and tub open/connected so to speak (oversized flex hole in tub bottom) with a sealed transom on the ski. Just keeping it simple.

 

[BobHorowitz]

That's just how my minisprint is set up

Bob