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 Post subject: Re: Safari buggy + Rotary engine, now converting to S2000 en
PostPosted: Wed May 11, 2016 5:12 am 
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Joined: Thu Feb 18, 2016 4:12 pm
Posts: 37
ECU Model: No ECU
i thought you were making a car not an aeroplane


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 Post subject: Re: Safari buggy + Rotary engine, now converting to S2000 en
PostPosted: Wed May 11, 2016 7:58 am 
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Joined: Tue May 13, 2014 5:30 am
Posts: 160
ECU Model: S80 Pro
Distributor: DTA UK
Firmware Version: 73
I thought I was too but since it never seems to be on the ground anyway...


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 Post subject: Re: Safari buggy + Rotary engine, now converting to S2000 en
PostPosted: Wed May 11, 2016 5:33 pm 
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Joined: Tue May 13, 2014 5:30 am
Posts: 160
ECU Model: S80 Pro
Distributor: DTA UK
Firmware Version: 73
Airplane is getting bigger.

Image


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 Post subject: Re: Safari buggy + Rotary engine, now converting to S2000 en
PostPosted: Thu May 12, 2016 3:47 pm 
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Joined: Tue May 13, 2014 5:30 am
Posts: 160
ECU Model: S80 Pro
Distributor: DTA UK
Firmware Version: 73
Good news, the CV joints are here!

Image

Bad news, they're the undercut 'race' ones with undersized CV balls that we don't want, as per earlier in the thread, as they're crap for wear and distort where the bolt heads are undercut.
So yes, more waiting....


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 Post subject: Re: Safari buggy + Rotary engine, now converting to S2000 en
PostPosted: Wed May 18, 2016 5:26 am 
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Joined: Tue May 13, 2014 5:30 am
Posts: 160
ECU Model: S80 Pro
Distributor: DTA UK
Firmware Version: 73
More wing pictures time - finally got the first skeleton up to full width - need a thin sheath of balsa in certain spots just to give it some shape in order to skin it with either fabric or fibreglass to give it a structural skin, the wooden spars will get replaced with aluminium tube when it arrives, and it needs some carbon + epoxy reinforcements to go in on the trailing edge to stiffen/strengthen it, but at least it's getting closer - just another 3 to go...

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Image


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 Post subject: Re: Safari buggy + Rotary engine, now converting to S2000 en
PostPosted: Thu May 19, 2016 1:53 am 
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Joined: Thu Feb 18, 2016 4:12 pm
Posts: 37
ECU Model: No ECU
How thin?
Soaking the wood in warm water really helps flexibility with those jobs.
But needs to be soaked for a good while.
Also assuming you have something big enough to do it in xD


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 Post subject: Re: Safari buggy + Rotary engine, now converting to S2000 en
PostPosted: Thu May 19, 2016 4:56 am 
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Joined: Tue May 13, 2014 5:30 am
Posts: 160
ECU Model: S80 Pro
Distributor: DTA UK
Firmware Version: 73
The balsa is only 1/64th inch - the leading edge is the worst as it's not as benign a shape as most models are - and I've had to set the balsa profile inside the wing rather that on the front as otherwise I would have had to hand sand the leading edge shape in the whole thing. A bit of fairing filler by the ribs up front might help I think.


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 Post subject: Re: Safari buggy + Rotary engine, now converting to S2000 en
PostPosted: Wed Jun 15, 2016 7:05 am 
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Joined: Tue May 13, 2014 5:30 am
Posts: 160
ECU Model: S80 Pro
Distributor: DTA UK
Firmware Version: 73
Well, that's one (still needs it fibreglass skin, has a thin* balsa layer at the minute to form the cloth over and it's allowed me to foam fill the leading and trailing edges for dent resistance)....

Image

Image

On to the always growing list of 'additional shit we shouldn't touch until it's finished but we're probably going to do anyway' - the front mudguard mountings tubes are going, they were originally left separate to the damper mounts so no damage occurred to the suspension if a mudguard got ripped off, but we've worked out a smaller, neater way to do it which gets that curved tube out of the equation. Should be lighter, look a lot neater and gets the tube out of the way of the wing endplates.

Oh yes, as you can see it has some shiny new nerf rails down the sides too to go with the bumper that's in progress.
Good for bouncing off trees, rocks and mowing down small children.

*So thin you can see the ribs through it, saves at least 10 vital grams of weight! ;)


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 Post subject: Re: Safari buggy + Rotary engine, now converting to S2000 en
PostPosted: Wed Jun 15, 2016 12:28 pm 
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Joined: Tue Aug 02, 2011 12:08 pm
Posts: 2907
Location: Norn Iron
ECU Model: No ECU
Out of interest...what is the purpose of this wing ? and what sort of speeds does the vehicle travel at ?


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 Post subject: Re: Safari buggy + Rotary engine, now converting to S2000 en
PostPosted: Wed Jun 15, 2016 12:31 pm 
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Joined: Tue Aug 02, 2011 12:08 pm
Posts: 2907
Location: Norn Iron
ECU Model: No ECU
Thread with some wing info

http://www.pistonheads.com/gassing/topi ... &mid=27545


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