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Author Topic: 46" Gas F1 Tunnel 2011 build  (Read 40029 times)

F1 madness

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46" Gas F1 Tunnel 2011 build
« on: October 12, 2011, 05:17:43 PM »

Hi guys,been working on this for awhile.
Iv designed it from scratch with the help of a special friend who took the time out to help me with this,giving me pointers along the way.
Still got alot of work to do but the main construction is all finished now.
Powered by an RCMK 26cc,5.3hp,2 stroke she should move quite well and hopefully handle what ever i throw at it in terms of handling etc.alot of time and research has gone into this design and build but will find how good she once she hits the wetstuff.
All the hardware is HOR strut,rudder,servo mounts.
The servo is a 20kg,high torque 1/5 for steering,6kg standard MG servo for throttle
5amp UBEC powered by 11.1v,2100,25c Lipo
Iv 1ltr fuel bag
Prop is 7016 /3blade but am going to get some more props to test with
Still got to modify the strut & bracket then mount the stuffing tube in to the hull.
Still got to get some bits and pieces as i go along to complete the build once painted,which for now is what im concentrating on.
Hope you like :






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F1 madness

  • Guest
Re: 46" Gas F1 Tunnel 2011 build
« Reply #1 on: October 12, 2011, 05:23:40 PM »







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F1 madness

  • Guest
Re: 46" Gas F1 Tunnel 2011 build
« Reply #2 on: October 13, 2011, 12:35:25 PM »

Hi guys put together abit of a slide show of the build
http://www.youtube.com/watch?v=81EzAuBJO0w
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gregk9

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Re: 46" Gas F1 Tunnel 2011 build
« Reply #3 on: October 13, 2011, 03:29:59 PM »

Hi Daz,
yet another project?

any news on the other "commercila one"?

dont forget if you want the details in the handbook, I NEED the info by end of next week [21st Oct] So i stand a chance of getting it all the to print for 2012.

Er, another thing, Bernard actually came up to our club pool, asking if you were about....................

he did not look very happy matey.
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Best wishes.

Steve. G.
Treasurer & Membership Secretary:  Chasewater Model Boat Club
http://chasewatermbc.blogspot.com/

F1 madness

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Re: 46" Gas F1 Tunnel 2011 build
« Reply #4 on: October 13, 2011, 03:39:20 PM »

Hi steve
Im still waiting on CAD to be sorted
I wont be ready that quick steve so maybe next time.
I seen bernie the other day he was alright then,ill give him a ring

Hi steve just got off the phone to bernie,hes alrite he needed some help and advice on somthing thats all,but forgot when i went in  the other day LOL
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gregk9

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Re: 46" Gas F1 Tunnel 2011 build
« Reply #5 on: October 13, 2011, 05:27:39 PM »

Thats ok Daz, i didnt know if Bernard had your phone number or not. no I didnt give it him, as our database is , er "secure" and would not let any data out without asking that person first.

he didnt say what it was about, but thought best to let you know best way i could matey.

Shame you got rid of the zenoah engine  you had eh? could of been the "test plant" for this..........
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Best wishes.

Steve. G.
Treasurer & Membership Secretary:  Chasewater Model Boat Club
http://chasewatermbc.blogspot.com/

F1 madness

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Re: 46" Gas F1 Tunnel 2011 build
« Reply #6 on: October 13, 2011, 05:44:35 PM »

No worries steve
I never had a zenoah,only had this engine
Much better engine than the zen from what iv read and been told.
The RCMK has 4 bearing crank compared to the 2 bearing crank in the zen
RCMK has 5.3hp,zen has just over 3hp
plus a couple of other advantages.
so to me this is the better,stronger engine
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F1 madness

  • Guest
Re: 46" Gas F1 Tunnel 2011 build
« Reply #7 on: October 14, 2011, 05:20:15 PM »

Just started trimming the canopy and thought id double check the clearnces,holy hell how lucky am i,theres about 4mm between spark cap and canopy and about 8mm either side of the head  LOL
I need some practice at fibreglassing but not bad for 1st attemp LOL
Close fit or what
 

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F1 madness

  • Guest
Re: 46" Gas F1 Tunnel 2011 build
« Reply #8 on: October 16, 2011, 10:16:00 AM »

Hi guys
finished all the fibreglassing now,removed the foam from inside cockpit, cut the screen out and drilled out some big holes in the back of cockpit and in the front of the canopy to allow the air through.
Im gonna modify the strut and bracket so i can get the stuffing in and lined,also make a support for the stuffing.




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F1 madness

  • Guest
Re: 46" Gas F1 Tunnel 2011 build
« Reply #9 on: October 19, 2011, 03:41:00 PM »

Finally modded the strut and bracket now,also put it all together again and weighed with everything minus a couple of bits that i havnt got yet
20lbs exactly or 9kg
Next job is to sort out stuffing tube and make a support for it






The exhaust in the pics is not the 1 ill be using,i ordered the wrong 1
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F1 madness

  • Guest
Re: 46" Gas F1 Tunnel 2011 build
« Reply #10 on: November 11, 2011, 05:08:37 PM »

YAYYYY
post arrived today with the exhaust from zippkits,exhaust bracket,brass tube and some other goodies
Will get it all together,add the brasstubes to the radiobox,install the stuffing tube and put it all together again and recheck clearances on everything before strip down and get her prepped for paint
Pics will follow once done 

Just waiting on RCMK K30topkit now
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F1 madness

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Re: 46" Gas F1 Tunnel 2011 build
« Reply #11 on: November 12, 2011, 03:33:31 PM »

After all parts have arrived iv now finished doing a final assembly of it all together
Now i can start getting it prepped and ready for paint
 










now to strip it all back down LOL
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ukmike

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Re: 46" Gas F1 Tunnel 2011 build
« Reply #12 on: November 12, 2011, 04:45:37 PM »

What a beautiful creature you are creating.

Quality of the highest order,( don't rate the parrot tho'  :-).).

Mike.
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F1 madness

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Re: 46" Gas F1 Tunnel 2011 build
« Reply #13 on: November 12, 2011, 07:50:39 PM »

Cheers mike
the parrot is a good boy and alot of fun LOL
just cant wait now to get it painted and ready for run  :-))
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ukmike

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Re: 46" Gas F1 Tunnel 2011 build
« Reply #14 on: November 12, 2011, 09:46:15 PM »

Naive question Gaz, but, does the motor have a clutch or is it a case of start and go.

Sorry for seeming thick.

Mike.
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F1 madness

  • Guest
Re: 46" Gas F1 Tunnel 2011 build
« Reply #15 on: November 12, 2011, 10:03:29 PM »

Naive question Gaz, but, does the motor have a clutch or is it a case of start and go.

Sorry for seeming thick.

Mike.

start off its DAZ LOL
and yes start and throw  :-))
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irishcarguy

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Re: 46" Gas F1 Tunnel 2011 build
« Reply #16 on: November 13, 2011, 08:01:32 AM »

Your boat is brilliant F1 , I will be watching the build from here on. What kind of speed do you expect from it & do you have to have it insured, ?. I noticed that you are using a plastic clip to hold your tailpipe, just a suggestion, when I raced Karts ( many moons ago) we used a spring wrapped around the exhaust to hold it in place, never gave any trouble. before we did that all the fixed brackets used to break, I thought this might help. Mick B.
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Mick B.

F1 madness

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Re: 46" Gas F1 Tunnel 2011 build
« Reply #17 on: November 13, 2011, 10:19:49 AM »

Thanks Mick
im hoping to be around the high 50mph to low 60's mph
The only thing im waiting for is the new topkit for the engine which will increase displacement 28.8cc,7.2 hp & 2.8lbs torque so will be able to swing a decent size prop to push it to see some real good speeds,but who knows till it gets on the water
This wil be my 1st gas iv run so got abit of learning to do aswell
Will get it stripped down today and hopefully make a start getting it ready for sealing up ok2
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gwa84

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Re: 46" Gas F1 Tunnel 2011 build
« Reply #18 on: November 13, 2011, 06:54:09 PM »

with an iv set up make sure affter you fill to get the aire out of the bag of thers eny gets in ther ive had the bag with an air bubble in as it sloshed around it got in the fuel line and kept spluttering the negine  :-))

best thing to use is a one way valve from just engines to bleed the aire out then conect to the fuel line
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martno1fan

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Re: 46" Gas F1 Tunnel 2011 build
« Reply #19 on: November 16, 2011, 08:02:28 AM »

Best way to have the bag is have it tilted so the top of the bag is slightly higher then any air will go to the top, you are supposed to burp the bag to get the air out but you do still get some in there.Never fill the bag right up and when finished store the bag with a little fuel in or they go hard and are useless.
Mart
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F1 madness

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Re: 46" Gas F1 Tunnel 2011 build
« Reply #20 on: December 21, 2011, 02:36:02 PM »

Hey guys its finally arrived
RCMK K30 Topkit



Time to get busy LOL
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gwa84

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Re: 46" Gas F1 Tunnel 2011 build
« Reply #21 on: December 21, 2011, 02:54:19 PM »

ooooo verry nice  :-))
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F1 madness

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Re: 46" Gas F1 Tunnel 2011 build
« Reply #22 on: December 21, 2011, 04:20:01 PM »

Here it is all together and ready for firing up





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bulldog1966

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Re: 46" Gas F1 Tunnel 2011 build
« Reply #23 on: December 21, 2011, 04:23:08 PM »

well done my friend
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F1 madness

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Re: 46" Gas F1 Tunnel 2011 build
« Reply #24 on: December 21, 2011, 04:30:31 PM »

Cheer bud  :-)) :-))
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