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Oodalally

My latest quickie design

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RCM&E April 2013 issue preview!

RCM&E April 2013 issue preview!

in the shops 8th March

Peter Miller29/05/2013 08:42:08
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Use the GP 42 in Dragon Dancer and the .32 in Oodalally.

Oodallaly is the lighter of the designs. Probably a little less wing area too.

I like the smaller models because I have a small work bench, a small car and I just like working to those sort of sizes. The lower fuel consumption is an added bonus.

Edited By Peter Miller on 29/05/2013 08:43:42

Percy Verance29/05/2013 13:49:43
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Hi Peter

Now why didn't I think of that? As you'll no doubt be aware, the GP42 isn't a large engine. It's probably only fractionally larger than a .25. Should be good the DD with something like a 11x6 I'd have thought.

I always preferred larger models in years gone by Peter, but you simply can't argue the economics of smaller designs. Slightly less building time, using a smaller quantity of wood might also figure? I really liked the Dragon Dancer when it appeared, and earmarked it as a nice little Winter project. Then along came the Oodallaly, which I liked even more! The fact they were your designs simply added further to their appeal.

I may yet have a go at your Fournier RF4.........

Edited By Percy Verance on 29/05/2013 13:52:42

Peter Miller29/05/2013 18:46:39
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And those are just the plans from RCM&E!

I seem to remember that Dragon Dancer had an SC 40 in to.

I just design and build what I like. They never work as well when I have to do something someone else wants done.

Percy Verance29/05/2013 19:32:44
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Hi again Peter

I actually still have the free Firedrake plan from way back when it was published. I fully intended to build that, but various other projects got in the way. When the Dragon Dancer appeared, it re-kindled that interest. The two models look quite similar Peter, are they related?

I do prefer the smaller DD for the reasons you've explained. Isn't it odd there doesn't seem to be a CNC wood pack for the DD. Perhaps there is a bigger take up for Oodallaly?

Peter Miller29/05/2013 19:58:48
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I just realised something. You are talking about Dragon Dancer 2. When I was talking about using the .42 in Dragon Dancer I was thinking of the Mk I which was a bigger heavier aircraft. FIre Drake was even bigger and heavier with an RCV 58 and retracts.

The Mark 2 is quite light so probably the 32 would be bettr in that and the .42 would be OK in Oodalally.

Percy Verance29/05/2013 22:09:26
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That's the one Peter, DD2, as in RCM&E at the end of 2012. The ASP .32 (which I imagine is identical to the SC) has a fairly large bore carb, and so is obviously intended to give a healthy performance. The Thunder Tiger GP series are the equivalent of the OS LA series of engines.

I think the GP .42 will be good in the Oodallaly with a biggish prop to keep noise levels down a bit.

Peter Miller30/05/2013 09:00:13
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Not really familiar with the THunder Tiger range. The OS LA series are pretty gutless from what I have seen of them.

Both models are light and the SC 32s are very powerful for their size.

Percy Verance30/05/2013 14:08:56
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Well somebody's on the ball. My Oodallaly CNC parts set arrived this morning at 11am! yes

Nicely cut too. I wonder who cuts them? Slec possibly? I was pleasantly surprised to see fin and tailplane parts included, as I wasn't sure if those would be in the set. This CNC parts malarkey makes building from plans a whole lot more attractive that it used to be. I must be getting lazy in my old age, as I thought nothing of cutting a stack of bits out previously. I don't think I'd be able to match the accuracy and neatness of CNC though.

Oh well, it's finish off the Dragon Dancer, then probably make a start on Oodallaly later this year......

Peter Miller30/05/2013 18:13:54
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10062 forum posts
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Yes, SLEC do the job. Great company.

D for Donald15/07/2013 07:38:23
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Hi Peter, Could you post a bigger clearer pic of the ic engine side of the cowl please? I would like to see how much or little wood is used on the engine side.

Peter Miller15/07/2013 08:37:50
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This is the clearest shot showing the nose and cut away. The cut away area is also shown on the plan. You can adjust your cut away to suit your engine by checking the engine and silencer against the plan.

At the moment Oodalally doesn't have a nose due to a failed aileron horn. That is why I entered the competition for a set of pre cut parts for the model!!!!

oodallay (10).jpg

 

Edited By Peter Miller on 15/07/2013 08:40:44

D for Donald15/07/2013 09:22:00
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Thanks Peter - I've seen that one before but was not sure if it was completed (apart from the shaping). From that I assume the starboard side is largely open on your prototype. Commiserations on his damaged snout!!

Peter Miller15/07/2013 09:39:52
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10062 forum posts
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By the time you get the silencer in that huge hole in the cowl gets fairly full. You could add more wood round the engine if you wanted but you need access to get the engine in an out and for the carb etc.

One thing that I have leanred over the years. Being able to get at things to servie them is vital. The hours that I have spent struggling to do a job on a full size aircraft because the access was so poor has ingrained that need for access into my brain.

Richard scarborough15/07/2013 09:48:00
46 forum posts
41 photos

dsc00015.jpgdsc00014.jpgdsc00012.jpgFinished at last ! Waiting for maiden flight, hopefully this weekend.dsc00011.jpg

Peter Miller15/07/2013 09:51:04
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10062 forum posts
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Very Smart. I am sure that you will love her.

I like mine so much that I have to repair it, badly damaged wing and smashed nose. and all.

Shane Sunday21/07/2013 21:52:52
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Hey Peter when I saw this plan back in april I knew id have to build it. Unfortunately ive had a terible radio failure and ruined my favorite model Seagul PC9 .. Fortunately this plan is almost exactly the right size and I, m using it to rebuild the PC9. I'LL post some pics when shes finished

Peter Miller22/07/2013 08:26:38
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10062 forum posts
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I will look forward to seeing the pictures.

I recently lost my Oodalally due to plastic control horns snapping. This has been traced to the plastic going brittle in UV light, (Sunlight.)

One day, when time permits I must replace the model

kc22/07/2013 12:10:58
5954 forum posts
168 photos
A control horn snapping due to sunlight is worrying as it was on a newish model. Could it have been transferred from model to model or left around in the flightbox for years or some other explanation?
I presume it was a normal British made item? Could it have been one of those cheap imported jobs?
I suppose we must all check these carefully now.
Peter Miller22/07/2013 12:20:23
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10062 forum posts
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In fact two snapped on that model, then several snapped on other older models. The manufacturer has been contacted and has found some old stock has gone brittle, these have been chucked out. One old model 7 plus years had two snap and two fine..

I am told that the supplier of plastics keeps saying "That one is no longer available, This is the replacement plastic"

What I suggest is that you give your control horns a quick bend test before flight or better, before leaving the house.

While the problem has been with the one type of horn that I use most I suspect the same problem can occur with any white plastic horn as the plastics suppliers will be sending the same sorts of plastic out to everyone.

Richard scarborough28/07/2013 09:53:44
46 forum posts
41 photos

Hi Peter, Oodalally had it's maiden flight today, no nasty surprises on take off, just a few clicks of trim here and there and all's well. Originally I intended to use a 3s LiPo battery, 1000kv motor and 12x6 prop but the battery wasn't heavy enough, so I put a 4s 3300 in it. That got the C of G almost spot on. This is a lovely little model, not hard to fly and quite quick. I wonder what might happen with a 12x8, I know there's one around here somewhere. Cheers Richard.dsc00017.jpg

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