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Building my new Fournier RF-4

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Pete B - Moderator07/06/2011 21:58:14
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I'm sorry you see it that way, Simon. I know this is off-an-interesting-topic and I'm sure it will be modded but I agreed with Peter for two reasons.
 
Firstly, as I head towards 60 I feel I've earned a right to have an opinion and sometimes express it publicly. A bit of glee at a fellow curmudgeon's comment can't be that wrong, can it?
 
I cannot speak for Peter but I don't believe he suggested that all younger people are as thick as two short planks. I interpreted it as an ironic comment on the perception held by older people that the 'progressive' education methods have failed many young people in the past twenty years or more.
 
When we were younger there weren't the pre-manufactured goods we all now enjoy and we had no choice but to solve our problems by our own ingenuity and doing things in what would now seem to be 'the hard way'. We were taught, and grew up, being self-reliant and inventive, learning everything from cooking sausages at least 10 feet above ground level to adjusting dwell angles on the distributor of my old Mini on a depressingly regular basis..........
 
If you built from a plan, it was assumed that you would study it assiduously and make up your own cutting list. It just wasn't done for you, full stop.
 
Do I feel envious of younger people for life being easier in so many respects now? I do - but I'm very happy to take advantage of those modern developments myself and I wouldn't expect you to de-invent the wheel..
 
Secondly, what do I think of young people? Rather a lot, actually, after all, I was one once! Right now, there are a lot of youngsters out in sandy places of whom I'm immensely proud and impressed, for example.
 
My overwhelming feeling is that my generation has probably failed young people because we were the ones who changed the education methods and I regret that many young people haven't been taught the self-reliance and initiative we have enjoyed.
 
Here endeth the lesson......it'll self-destruct before the night is out
 
Pete
 
 
 
 
 
 
David Ashby - Moderator08/06/2011 06:01:26
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Let's stay on topic please gents.
 
 
Peter M, I've PM'd you.
 
 
 
 
 

Edited By David Ashby - RCME Administrator on 08/06/2011 06:04:46

Peter Miller08/06/2011 08:08:22
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I am sorry if I offended anyone. The opinion expressed about being taught to pass exams rather than think is not mine only, it is that expressed by several teachers that I know.
 
If you read my comment carefully you will see that I was not saying that youngsters were thick but that the eduction they get does not teach them to think for themselves. IT is the system, not the pupils that is at fault
 
AS Pete B says. we had to learn to work it out for ourselves. IT isn't hard. Take the average fuselage. How long are the sides? Under 36", good, that means one piece of wood. How wide are they, over 3"? so we will need two pieces of 4" wide stock.
 
Do we need 4" wide to roll round each half of the Turtle deck? How long is the doubler? If it is over 12" long we will need a piece of 1/32" ply two feet long. Can we get the formers out of one sheet of 1/8" balsa? How wide will it need to be. And so it goes on.
 
This also has the advantage that you really have to study the plan and that comes in handy when you get down to building.
 
I will try and find the date of the article for David again later this morning.

Edited By Peter Miller on 08/06/2011 08:22:25

Peter Miller08/06/2011 08:22:41
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Yes, you could fit airbrakes. Their location is indicated on the wing plan. I couldn't find any commercial ones small enough but not too hard to make.
 
The article on estimating the wood needed was in the July 2005 issue of RCM&E.
David Ashby - Moderator08/06/2011 09:13:44
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The article will be on the home page tomorrow morning.
 
 
 
 
 
 
 
 
Peter Miller08/06/2011 12:02:24
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Great stuff
simon burch08/06/2011 18:23:22
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I really like the look of this, but I'm tempted to enlarge it slightly to 100". Still undecided, but I just fancy one slightly bigger. How much power is there in reserve with the 30 FS ??
 
Cheers,
 
Simon
Peter Miller08/06/2011 18:40:53
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I feel that the 30 FS is just about perfect scale power. Based on my experience with these models and my Slingsby I would say that the RF-4 enlarged to 100" would need a .48 or .52. FS
 
I have a 100" scale powered sailplane on my "To build" list and I will be using a .52 FS in it.
simon burch08/06/2011 21:35:26
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Thanks for that, maybe I'll build yours first and see how I get on (once I get the plan for the wings of course )

Cheers,

Simon
JP212/06/2011 19:27:15
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Hi Peter
I like the idea of the RF4 as a next project and I have a sprae OS32 from an ageing Uno Wot, would this be too much?
JPJP
Peter Miller12/06/2011 19:52:30
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I would have said that a .25 two stroke would be about right. If the OS 32 is about the same as an SC 32 it will be a bit of over powering.
Simon B12/06/2011 21:21:40
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Apologies for getting the wrong end of the stick Peter.
 
Seriously toying with putting this plan together, as I had been contemplating the West Wings Fournier and this looks much better!
Peter Miller13/06/2011 08:10:31
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No need for apologies.
 
The West Wings Fournier is a nice little model, I reviewed it when it first came out about 17 years ago. However it is limited while mine is fuly aerobatic and a more substantial model.

Edited By David Ashby - RCME Administrator on 13/06/2011 08:12:55

David Ashby - Moderator13/06/2011 08:13:07
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Peter, I've PM'd you.
Hugh Coleman15/06/2011 08:57:17
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There are many RCM&E Free plans that one looks at and puts in the pile of "maybe one day" projects, but I reckon that this one is up there with the RV3 as a definite condender to being placed very near the top of the to do list.
 
A very pretty subject and a fairly simple design (build wize) as well.
 
Hugh
David Ashby - Moderator16/06/2011 15:26:31
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Just for info, the canopy is now on sale here.
 
 
 
john martin 719/06/2011 12:32:36
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Hi could you tell me if there is a CNC kit for this model . John
Peter Miller19/06/2011 12:45:32
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SLEC cut a kit for me but they had not priced it when I last spoke to them. IT is cut to MY plan and so there could be slight variations betwen that and the one in the magazine.
 
Because of the obvious interest in this plan I imagine that My Hobbystore will arrange for a kit to be available in the future.
Simon B19/06/2011 18:21:14
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The WW Fournier now comes with ailerons, so I imagine is more aerobatic, although yours looks much beefier.
Peter Miller20/06/2011 08:21:41
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Yes, there is a LOT of difference between the West Wings one and mine. The West Wings model needs an .049, mine needs a .30 four stroke or .25 two stoke.
 
It just depends on what you are looking for as they are really very different. The West Wings model could almsot be classed as a park flyer being very light and quite a lot smaller.

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