Genesis catamaran ???

[Jeff Wohlt]

If you do struts they will adjust easily. Ever thought of a two piece stuffing tube lined with teflon? You leave about about 1/2" of liner exposed closer to the transom and then easy to adjust... Since wires do not beat around so hard it works very smoothly.

[tiqueman]

If you do struts they will adjust easily. Ever thought of a two piece stuffing tube lined with teflon? You leave about about 1/2" of liner exposed closer to the transom and then easy to adjust... Since wires do not beat around so hard it works very smoothly.

Can you explain that a little more?

[Alfa Spirit]

That will work fine....even a little neg angle will not hurt it a bit.

What is negative angle? Propeller higher or lower?

[ED66677]

negative angle = prop pointing down 1 or 2°

[Alfa Spirit]

The Genesis hull arrived this morning, very good finish, fiberglass is very strong, a very nice product, really

[Alfa Spirit]

I' ve found the stingers for a twin setup, they are avalaible at RC Raceboats Shop in Germany.
CNC made, running with ball bearings, parts anodized, with right or left hand motion that 3,2mm Flexshaft. Supply effected completely installs, with brass wave pipe, ptfe pipe and stuck together Flexshaft (please when ordering absolutely select the direction of rotation). Measures: Overall length inclusive wave: approx. 135mm Flange measures: approx. 15x25mm

[Rumdog]

Nice! These sure are good looking cats!

[justintime2w8]

I' ve found the stingers for a twin setup, they are avalaible at RC Raceboats Shop in Germany.
CNC made, running with ball bearings, parts anodized, with right or left hand motion that 3,2mm Flexshaft. Supply effected completely installs, with brass wave pipe, ptfe pipe and stuck together Flexshaft (please when ordering absolutely select the direction of rotation). Measures: Overall length inclusive wave: approx. 135mm Flange measures: approx. 15x25mm

Don't go 1/8" it will break all the time.

[Alfa Spirit]

Jesse J uses those powertrims, His advice is welcome

Size is perfect for Genesis cat

Link to Pxer boats : http://www.rc-raceboats.de/shop/index.php?language=en

[ED66677]

I think I'm going to buid some cheap one with adjustable lengh for the french market!

[Alfa Spirit]

What do you think about this twin setup?

- FSD 540XL / 8 Turns, 2075kV

- Kintec Racing water jacket because it' s same color than motor ...;-)

- HIFEI Swordfish 120A or Turnigy 120A esc

- 2x4S or 2x5S LiPo batteries

[ED66677]

under 4S a 8XL is perfect but for such a big hull I would go for 9XL instead, so you can spin slightly bigger prop and evantually go for 5S more safely than with a 8XL!

[Alfa Spirit]

Merci my friend 2x5S with 2x 540XL/ 9 Turns (1845 kV) is the best choice?

[ED66677]

it's not the best it is just a different view, I would go for 4S and target 30000rpm unloaded, some other guys here on this board would go for 32000rpm and a bit more!
so you have 3 possible setup with the given data's :
8XL/4S you'll spin 42mm prop reasonably 43,5 max as this will be a twin
9XL/4S you'll spin easily 45mm prop IMO the best choice for the best prop efficiency
9XL/5S you'll spin smaller prop than under 4S but I've no idea, it's gonna scream
remember that you will use counter rotating prop (and left and right flex) so choose the setup according to the brand of prop and the size available in that brand

[Simon.O.]

Have you considered some of the bigger outrunners and feeding them with up to 6S.
I am assuming you have not bought any of the power system yet and this may be an option.
I am no master of outrunners as I have yet to get my next two OR powered cats wet. They do seem like a good option and there are a lot to choose from.