(WOF) F1 tunnel hull building report

[Dirk Jan]

Looking great [emoji108]Glassing takes quite some time, but after the first flip, you will be thankfull you did it!

By the way, do you have a speed number in mind as a goal to reach, or do you focus on good handling / cornering?

 

[Dim L]

Thank you Jan
!
Yes, I definitely want a speed > 80 kmh.
I am determined to do whatever it takes to surpass this speed target even a 40 motor with 6s.

The hull seems quite strong and I want to push it hard
.

 

[Dirk Jan]

That's the spirit [emoji41]. With your 3674 2200kV motor on 4S you should be able to reach 70+ or even 80km/h already. On 5S you should crack the 80km/h easily and probably 90+ km/h.

Of course depending on many factors, but looking at your hull and the dimensions you used, I think it will be a great performer.

 

[Dim L]

Oh thank you for your encouraging words. Jan!
The starting point will be a 5s and 40mm 1.4 propeller and then we see.

 

[Dim L]

Finally the outboard with its cover is on the hull...

 

[Dirk Jan]

It looks awesome [emoji106] Great design and build. I'm very curious to see how she runs.

 

[Dim L]

Thanks Jan !
I am also so curious about her performance but I have to be patient!

 

[Tamiya1970]

Wow ,I love it [emoji7]
Super build ,caint wait to see it run .

 

[Dim L]

Thanks Alex!!
I also believe that it came out nicely!
If everything goes as planned she should run in May-June

 

[cadcam]

I don't know how big your engine hood is
but maybe i have something for you

gr jan ilmer

 

[Dim L]

Wow excellent design and would probably fit my outboard.
If I didn't like so much to build I would certainly consider it!
Thank you for letting me know!

 

[Dim L]

Goodmorning rc friends!
I ended up using 160gr/m2 cf and
50 gr fiberglass to strengthen the cowl and the nose of the hull.

I feel that the hull is much safer now.

 

[Dirk Jan]

Nice job! It looks like you left a glass surface at the top of the cowl for rx and gps signal [emoji108].
Did you decide the paint scheme yet?

 

[Dim L]

Thanks Jan.
Indeed, the GPS must have strong signal to capture the ultra high speeds of the hull...just kidding !
Regarding the colors I have decided silver, white, fluorescent orange and black and I also have something in mind for the painting scheme like this:

or this

Currently I repaint the Penarib since the temperatures have risen recently.

 

[Dim L]

I stripped off the inner construction of the cowl and I enhanced it with 100 gr/m2 fiberglass. The part without carbon fiber was further enhanced with 4 pieces of thick fiberglass tape. The cowl weighs 195 gr but it is quite strong.
Overall, I am very happy with the the result in spite of some inevitable imperfections that must be improved.

And the imperfections...

 

[Dirk Jan]

It looks great, I like the side flanges on the nose cone and cowl [emoji106]. 195gram sounds good. It better be strong than very light!

 

[Tamiya1970]

Looks better and better .
Really cool to see you build this boat[emoji1303]

 

[Dim L]

Thank you very much guys.
I really enjoy this project.
I agree Jan better to build strong and experiment with more volts or bigger motors to achieve your speed targets!

 

[Dim L]

Fiberglassing the hull....

I also sanded the cowl + putty. The cowl still needs so much work

I fillet the corners with thicken epoxy. The cloth at the top is one piece... Very happy for this.

After trimming and initial sanding...

 

[Dirk Jan]

This is your best built so far, in my opinion. Quite complex but the result so far looks great. [emoji108]