ECO Build - "Rush"EVO (clone of Sonic EVO)

[CornelP]

Well, I finally got the hull and started working on it.
Got it from:

http://www.rc-raceboats-world.de/xoshop/product_info.php?pName=eco-rush-evo-p-431&cName=hulls-and-stuff-eco-hulls-c-3_70

Quite a good quality hull for the price, the floodchamber comes as a kit comprising wall and FG tape. I doubt it is gel coated, as it cleans waaay to easy with sand paper...
I installed the floodchamber and realized the left side is a bit wobbly, very difficult to tape it. One 2mm piece of balsa, laminated with light FG on both sides later, it is nice and stiff.
I also marked the future holes for the hardware, whenever this will arrive...

[bonewar]

CornelP,


Looks like a space ship out the movie INDEPENDENCE DAY !!!!!

Like to see how she preforms ????


Bonewar

[Gerwin Brommer]

Cornel :

That's the German way of gelcoating a hull.
Only a very thin layer of coat.

[CornelP]

Ok, so I need to be careful with it or just repaint...

[ralex]

and what hardware do you want to install ?

[CornelP]

Will post it once I get it...
Depending on the class, it will get a brushed Team Orion 14T or a Feigao 11S on 7 cells. Lipo is not yet officially accepted here...
Running hardware is home made, 1.5mm wiredrive on a ball bearing strut, stainless or carbon rudder.

[j.m.]

I'd say stainless on the rudder, it'll be hard to keep it thin and sharp with carbon.

Pretty boat!! Yes, the hull is gellcoated but being a race hull, all excess weight was removed. Including excess epoxy from the layup and surface coat. This might not be necessary if you guys ran LiPos.....

Jon

[CornelP]

Well, I will run NiMh only if I will go to the official competitions... our unofficial races are sort of "open"...

[CornelP]

Well, here are the first runs... on Lipo, as the brushed motor could not get to the correct rpms on my pack (Team Orion 6 cell 5300), probably not correctly formatted, but I'll get them through a few cycles for next week. First run is a 29mm prop, second is a 32mm, both Graupner brass. I am waiting for an order for some H&M stainless props, so we will see.

[CornelP]

These are the pictures as of today... still needs a coat of clear and a silver on the bottom.
The small servo is a HD micro 2216MG, with plenty of torque and very fast. ESC is a LRP car capable of 70A, with reverse (not used). This will be changed, as I do not really fancy the soft start.
Motor support, coupler, 2mm wiredrive and rudder (stainless) are all home made, so far performing perfectly.

[bonewar]

Nice work there CornelP,

Theres not much room in there .

I really like your paint work. looks awesome.
If you where to paint a thin black line around your paint work
it would really make it stand out. POP !!
Good job mate.

Bonewar

[CornelP]

I will try, but my hand is not so steady... I could not go for a more complex scheme, as this will be racing, so I have to watch the weight. I am already at 1,1kg, about 100g too much, so need to check my runtimes.
Initially I wanted to line it with CFK or simple carbon, but that would have added too much...