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Acro WOT

What are they like?

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Stephen Harrison09/07/2007 20:17:00
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44 forum posts
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Hi all, I am in the process of finding yet another aircraft. I like the look of the Acro WOT but would like to hear from someone who has either built or flown (or both). I would like to know what they fly like and how easy the construction is.

Stephen
Mike Rolls10/07/2007 06:46:00
500 forum posts
22 photos
Stephen
The Acrowot is one of the all time classics of the club scene. Mine had a ST 51 up front, weighed 5 lbs and was a dream to fly. Various versions owned by clubmates had weights of up to 7 lbs and still flew fine. The handling is superb - one of our better fliers used to specialise in doing figure eights around the 30" high posts marking the four corners of the cricket square - with the inside wing tip on the turn never more than 12" or so off the ground.

Get the version with the glass fibre U/C - more forgiving than the metal one and the FG cowl is tougher then the ABS(?) cowl in the cheaper kit.

The build is very straightforward - mine was built 10 years ago and at that time there was an addendum slip packed whihc advised adding extra reinforcement in th eform of triangular strip inside the tank bay to toughen up the U/C mount. It's very good advice - even on one of our strips whihc was, to say the leasy, a bit bumpy, I never had problems with the AW's U/C whereas many other models suffered from U/Cs taring out on that strip.
Try it - you'll like it!

Mike
Chris Dickens10/07/2007 12:58:00
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151 forum posts
10 photos
Stephen
The Acrowot has been the classic first low winger since it was introduced, over the years I must have test flown at least a dozen for various people and never seen a bad one, even the badly contructed and bent ones flew OK, I've never built one but I have buit Wot4s which share the same construction and they must be one of the easiest models to build, no full size plans just sketches in the instructions but you don't need any more.
I agree with Mike, get the delux version with the GRP cowl and U/C, fit a 0.46 twostoke or 0.52 fourstoke and enjoy yourself.
Chris
Tim Mackey10/07/2007 17:22:00
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20920 forum posts
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Its all been said....a classic.
Stephen Harrison10/07/2007 18:44:00
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44 forum posts
2 photos
Hi all,
Yes the kit I have been looking at is the F/G version. It is priced up as 112. Your positive comments are much appreciated. I plan to put a TT46 Pro engine in it.

I must ask some questions now. I am thinking of treating myself to a futaba 2.4ghz radio. What servos should I use? Are standard S3003 any good, How many servos does the arco wot use?

Other than this I am set up to complete the plane.

If anyone can help with my queries it would be most appreciated.

Stephen
Tim Mackey10/07/2007 22:14:00
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20920 forum posts
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15 articles
It can be used with 4 servos, although most use 5 ( seperate ones for each aileron )
Standard servos are fine.
I use 2.4G in all my planes ( not futaba but hey... ) they are great.
Thunder Tiger 46 will be OK, but the airframe will take a lot bigger- my most powerful version (years ago)had a 90FS.
One of the good things with most of Fossies kits is there flexibility on engine size....it will even fly fine on a 35 if kept light.
Mike Rolls11/07/2007 05:48:00
500 forum posts
22 photos
Most awesome AW I ever say had a Laser 100 uo front - but that's overkill! A good 46 is fine, a small case 'efective 60' such as an Irvine 53 or the like (mine had a ST 51) even better.

Mike
Mike Stevens11/07/2007 07:23:00
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464 forum posts
57 photos
adding extra reinforcement in th eform of triangular strip inside the tank bay to toughen up the U/C mount. It's very good advice - even on one of our strips whihc was, to say the leasy, a bit bumpy, I never had problems with the AW's U/C whereas many other models suffered from U/Cs taring out on that strip.

Would second that having ripped out the bottom of my WOT 4 (same construction) at the weekend on its second flight - went into rough grass. For some reason Chris supplies lite ply for this area so I am replacing with 'real' ply and will re-inforce with tissue glass cloth and resin and hopefully it will just be the retaining bolts that 'let go'. oh and I am using 3003 servos in the WOT 4 just fine.
Mike
Stephen Harrison11/07/2007 20:04:00
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44 forum posts
2 photos
Thanks all for your help. I am going to go and buy one from the local model shop which is 2 mins up the road from me. Although I will be a long way from this stage but how have you all finished the A/W - is it finishing resin or film e.t.c

Stephen
Tim Mackey11/07/2007 22:26:00
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20920 forum posts
304 photos
15 articles
usually straightforward film / tex covering.
Mike Rolls11/07/2007 22:53:00
500 forum posts
22 photos
I used film on the wings, tail and fin, dope and tissue on the fus. Mine weighed 5 lbs. A clubmate glassed his all over - weighed 7 lbs but still went OK on an OS 46, though the vertical wasn't too brilliant.
Mike
Mike Stevens12/07/2007 07:37:00
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464 forum posts
57 photos
I covered my WOT 4 all over in Profilm(Oracover)
Mike
http://www.flyingsites.co.uk/gallery/album/power_aircraft/Wot_4_006.jpg
Mark Jones12/07/2007 13:57:00
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74 forum posts
3 photos
I have an AcroWot which i built in 1995 so as you can imagine its done some hours. it was easy to build and even easier to fly, its one of those planes that feels like its on rails.Up front is my trusty ASP61 2 stroke, and i use Futab s3001. Oh yes and they can take lots of miss treatment on landing, mines got the origional aluminium u/c-its been bent back squashed flat and still survives. never had any problems with them breaking off.
So all in all a superb plane !
Engine Doctor15/07/2007 20:07:00
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2536 forum posts
39 photos
Hi Stephen.Acro-wot is a great flyer.I am building one at the moment fo a club mate.The problems with split and lifting veneer on the wings is common,it seems , with current Chris Foss kits.Inspect your kit at the shop before purchase . Also replace the light-ply fire wall backing with proper birch ply if using anything more powerfui than a 46. Overall , a good flying model with no vices 10/10 .kit is let down by skimping on some materials 6/10
Stephen Harrison16/07/2007 19:19:00
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44 forum posts
2 photos
Hi engine doctor, Just out of curiosity where did the kit come from. I looked at one in Mikes Models and it was immaculate and when I went to buy it some sod brought it :-(

Not worry I will have one for Thursday along with TT46 Pro engine. Also what are you going to cover it in?

Stephen
Mike Stevens30/07/2007 07:21:00
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464 forum posts
57 photos
Stephen
Did you get your Acrowot? I have just started to build one myself now.
Mike
Stephen Harrison30/07/2007 18:29:00
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44 forum posts
2 photos
Hi Mike, Mine is still on order with Mikes and I am waiting for it to arrive from the factory.

In the mean time I have a Vision EP to build hopefully in time for the Greenacres Electric Fun fly.

What have you started to build? and what engine have you gone for?
I have gone for the TT46 Pro, they are fantastic and great value for money :-)

Hope to get the Acro Wot soon and get building and ready for next years flying season (I'm being hopeful, I will probably take me that long to sit down and start it)

Finally out of curiosity what condition were the wings in?

Happy Building, Stephen
Mike Stevens30/07/2007 18:40:00
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464 forum posts
57 photos
Hi Stephen
I am on the fuse at present - like to get in the mood before tackling the wings. Finished a WOT 4 a couple of weeks back and put an OS46AX on the front which seems to do nicely. I still have L plates for flying.
I was considering the TT46 Pro but had been warned away from them by a couple of people (forum and at the local club) and as OS have dropped their prices I have gone for another 46AX. - 67.00. Let me know how you get on with the TT as I have heard conflicting reports from good to don't go there!
I haven't peeked at the wings yet but know what you mean about the veneer from the Wottie.....but will let you know. Covered in Profilm it sems fine in use.
Mike
Tim Mackey30/07/2007 18:43:00
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20920 forum posts
304 photos
15 articles
TT46 runs VERY WELL in my wife's Wot4 - a little reluctant to start from cold, but everything else about it is excellent. Great VFM IMHO
Stephen Harrison31/07/2007 19:11:00
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44 forum posts
2 photos
I have a TT46 Pro in my trainer and I have never Had an issue with it. It starts first time, Fantastic performance and It has had well over 5 hours of running time. I have brought another two TT46 Pro's, one for the acro wot and the other for future projects. I must agree that the OS engines are a fantastic buy but some model shops are still charging full whack but hey that's them. The only TT engine I have had problems with was the TT GP42 which was a nightmare to run in and fly. The other thing i noticed was that the needle settings were extremely delicate. I also have a TT GP15 for a spitfire- Yet another project that is in progress.

Off the top of my head I can't remember but is the OS 46AX ball raced?
Still it is only 7 more expensive than the TT46 pro at RRP which does make them great value. Does anybody have a GMS engine as I am curious to see what they are like.

Happy building :-)

Stephen

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