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Mick Reeves 1/4 scale RF4

Fans and Thermals.
Andy A
Posts: 7
Joined: 18 Mar 2015, 18:53

Re: Mick Reeves 1/4 scale RF4

Post by Andy A »

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Hi Peter After speaking to Clive just a few things that I changed to Mick Reeves Fournier.The main difference is the wing centre section is built into the fus so the wings side onto a flat metal bar wich makes assembley a lot easier and may be a bit stronger? Rudder & tailplane have been built with out full sheeting to try to keep the back as light as we can no extra lead in the front to balance.Motor E Max Bl 2820/07 60a esc 12x6 prop running on a 4s lipo gives a nice scale performace. she comes in at just under 7lbs and thermals well on a nice day. This is a model you will not regret building.

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Peter Balcombe
Posts: 1140
Joined: 18 Mar 2015, 10:13
Location: Clevedon, North Somerset, U.K.

Re: Mick Reeves 1/4 scale RF4

Post by Peter Balcombe »

Many thanks for that Andy.
Mine is now pretty much complete except for red trim, so I ought to weigh the parts & check what the O/A weight is likely to be.
As you can see from my build thread, I built mine with a conventional 2 part wing which fits to fuselage in similar manner to the plan. However I did beef up the wing spars and use a steel strip joiner. The tail is fully sheeted, but your comment has made me think again about the rather heavy scale tailwheel arrangement I was thinking of using.
I have probably gone for overkill on the power train as I wanted to make sure I had enough power rather than be borderline. Your power train certainly looks to be even lower power than the one Mick Reeves suggested - although your weight is also rather lower than expected. It will be interesting to see where I come out.
It looks to be a lovely model, so I am looking forward to getting mine into the air before too long.
Peter

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Peter Balcombe
Posts: 1140
Joined: 18 Mar 2015, 10:13
Location: Clevedon, North Somerset, U.K.

Re: Mick Reeves 1/4 scale RF4

Post by Peter Balcombe »

Andy,
Just completed the covering & hanging of control surfaces, so weighed all the bits plus a possible motor/battery combination. My AUW is likely to be approx 8.5lb as long as I don't need much additional nose weight, thus my initial intention to use approx. 900W will be plenty.

How did you add the red trim on yours? Was it all painted, or a mixture of paint & trim tape?

Andy A
Posts: 7
Joined: 18 Mar 2015, 18:53

Re: Mick Reeves 1/4 scale RF4

Post by Andy A »

Peter The model was covered in pro film. The red trim is off cuts from a local sign writing firm and the cowl was from a spray can from Halfords.Barry Cole supplied the numbers & letters which was a very close match in colour. One problem you only get one chance with the trim but with some soapy water you can make life a little bit easier. Look forward to the maiden hope it all goes well Iam sure it will !!

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Peter Balcombe
Posts: 1140
Joined: 18 Mar 2015, 10:13
Location: Clevedon, North Somerset, U.K.

Re: Mick Reeves 1/4 scale RF4

Post by Peter Balcombe »

After a long time sorting out the power train, I have settled on a BL2820/07 motor running on 4S with a 12x6 prop which gives just over 750w.
My initial intention to have more power on hand resulted in a very nose heavy model !!
The nearly complete, but ready to fly (still needs trim, decals and pilot figure) model has an AUW of 8lb.
Radio gear has been set up, so should hopefully get the maiden undertaken sometime during the next week.
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Noël Rumers
Posts: 270
Joined: 20 Mar 2015, 10:29
Location: Hoboken Antwerp

Re: Mick Reeves 1/4 scale RF4

Post by Noël Rumers »

Hi Peter,

Nearly there!!!
Looks nice and success with the maiden!

Noël

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Peter Balcombe
Posts: 1140
Joined: 18 Mar 2015, 10:13
Location: Clevedon, North Somerset, U.K.

Re: Mick Reeves 1/4 scale RF4

Post by Peter Balcombe »

Thanks Noel.
The maiden flight was successfully carried out today & there was ample power for the 8lb model.
She only needs approx. 60% throttle in the cruise and is a very steady flier.
Now just the final detailing to be done ...... ;)

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