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Rans S-9 Chaos. Peter Miller's new design blog

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Trevor Crook28/09/2020 17:38:26
1012 forum posts
71 photos

There's a full list of the 4-Max bits in their ad opposite the last page of the build article (p.31).

bees29/09/2020 20:35:08
143 forum posts

Hi, A question for Peter if i may. You say that the Rans Chaos will do wild aerobatics on high rates,don't want a 3D model but will the Chaos do knife edge, stall turns and maybe prop hang. Thank you for your advise. Best regards Glen

Peter Miller29/09/2020 21:08:30
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11489 forum posts
1366 photos
10 articles

I haven't tried knife edge or prop hanging but it might need a little more power to prop hang. it Stall turns should be a piece of cake.

bees29/09/2020 21:15:47
143 forum posts

okay, Thank you, Think it might be my next project with winter fast approaching.

Geoff S01/10/2020 14:55:48
3827 forum posts
49 photos

Sarik are now listing the CNC cut parts etc on their web site. I've ordered mine yes

Geoff

William Walker01/10/2020 18:04:43
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6 forum posts
1 photos

More than that, they are listing the whole short kit for £127!!

Peter Miller01/10/2020 18:20:41
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11489 forum posts
1366 photos
10 articles

IT would seem that Sarik know a good thing when they see itlaugh

Edited By Peter Miller on 01/10/2020 18:20:56

bees03/10/2020 22:24:27
143 forum posts

Got my balsa so on with the build , might be asking a few more questions later down the line. Thank you.

Edited By bees on 03/10/2020 22:29:04

Peter Miller04/10/2020 08:21:22
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11489 forum posts
1366 photos
10 articles

Have fun. It is pretty straight forward but I will answer any questions if I can

One club member is building one at 120% size and he has only had to ask the odd question and he didn't even have the instructions.

Edited By Peter Miller on 04/10/2020 08:21:51

bees04/10/2020 17:28:05
143 forum posts

Hi, Just cutting the ribs at the moment but noticed that the spars are 1/4 x 1/4 balsa, I presume this is hard balsa or is it spruce. Thank you best regards Glen

Peter Miller04/10/2020 18:19:05
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11489 forum posts
1366 photos
10 articles

Hard balsa. ALWAYS hard for spars

bees10/10/2020 10:30:03
143 forum posts

Hi, I have started one wing but may have made a blunder. The bottom spar is laid flat on the board and its says from R6 taper the spar from a 1/4 to 1/8 at R11. Is this spar tapered on the underneath before laying down on the plan or tapered after the wing is built and removed from the plan. Hope this makes sense. Thank you Glen

Peter Miller10/10/2020 10:53:02
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11489 forum posts
1366 photos
10 articles

The spars are tapered on the inside because the ribs get narrow so you will notice that the spar slots get shallower towards the tip. If they didn't the ribs would be extremely narrow between the spar slots.

So you should taper the spar before laying it down but you can taper it once pinned down but obviously before gluing on the ribs

bees10/10/2020 17:41:50
143 forum posts

Gotcha, Just have to cut some more ribs now, on with the build. Thank you.

Geoff S15/10/2020 12:20:21
3827 forum posts
49 photos

My part kit arrived from Sarik yesterday afternoon so it's ready to start once my Li'l Cub is finished - probably in the New Year.

What it inspired was to decide how it was going to be powered. I have a Multiplex Blizzard I haven't flown for several years (it's still on 35Mhz). I enjoyed it for a while but now I find it a bit quick and I daren't take my eyes off it so I've been thinking it has to go. It does, however, have an excellent motor fitted; it's a Scorpion 3020-14 (944 rpm/v)which should suit the Chaos perfectly, so I've removed it in preparation for the build.

Now it's just a matter of finding a Chaos with colours suiting whatever film I have in stock and preferably without spats

Geoff

Peter Miller15/10/2020 13:33:12
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11489 forum posts
1366 photos
10 articles

Well there are lots of choices out there. Mine was one without spats.

Robert Pennink16/10/2020 18:09:26
1 forum posts

Peter is the wire required for the undercarriage and the elevator joiner included in the Sarik Hobbies short kit?

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