TOPIC: Retracts? - I have a cunning plan!

Retracts? - I have a cunning plan! 14 Dec 2016 12:36 #46

  • Eric
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The only grams I know about are preceded by tele or radio! :evil:
if you are calm and collected when all about you are going berserk - you've missed something important!
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Retracts? - I have a cunning plan! 14 Dec 2016 21:59 #47

  • Quorneng
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Had its maiden today - sorry no video!
U/C fixed 'up' but I could switch the stab on and off so hand launch and belly land.
A bit of breeze and the direction made it very turbulent but the launch was easy. A bit of a handful with the stab off but nice and smooth with it on.
Did not programme the brake on so the prop was spinning freely but the landing directly into wind was so ridiculously slow, no issue.
It does not have quite the 'urge' of the Petiterina but still climbs at a good 60 degrees at full wack.
The U/C is now reconnected so the next flight will be wheels down stab on/wheels up/stab off and a video! ;)
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Retracts? - I have a cunning plan! 15 Dec 2016 20:43 #48

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Just to complete the picture here it is.

And along side the Petiterina.

It really does not look much bigger until you try to put it in the car in one piece!

By accident I discovered that if a retract 'stalls' trying to retract it automatically extends again. I have no idea how it recognises the situation but it seems to work. ;)
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Retracts? - I have a cunning plan! 16 Dec 2016 12:28 #49

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Nice this morning so a video of its second (and third!) flight.
Hand launch initially but normal 'retract' operation there after.

So far so good but I will be happier when the undercarriage has a bit of 'spring' in it!
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Retracts? - I have a cunning plan! 16 Dec 2016 14:12 #50

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OOH! White grass!
You could have matched up the spinner colours! :evil:
if you are calm and collected when all about you are going berserk - you've missed something important!
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Retracts? - I have a cunning plan! 16 Dec 2016 15:43 #51

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Eric
The spinners are all plastic, either black and yellow, and I had no choice to the colour delivered!

The grass wasn't actually white it is simply the key fob cam's 'interpretation' of dew covered grass!
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Retracts? - I have a cunning plan! 16 Dec 2016 16:42 #52

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I didn't think it had been cold enough for frost, this morning! (and the camera never lies!) [badass]
if you are calm and collected when all about you are going berserk - you've missed something important!
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Retracts? - I have a cunning plan! 18 Dec 2016 13:39 #53

  • Quorneng
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The near still conditions this morning were ideal to explore the characteristics with its ailerons connected by a Y lead (thus no differential) rather than on individual channels.
It all seems fine although the permanent 'up' in the ailerons is rather more than I would like.
It certainly flies very smoothly, particularly with the stab on, and can perform very nice slow rolls and loops. Come to think of it it does just about everything pretty slowly! :P
Did repeated take off and landings but ultimately had to stop after a slightly 'firm' landing caused the relatively soft wire U/C to bend a bit.

To reset the aileron 'neutral' point will require some fairly drastic surgery on the right hand aileron in order to re position its horn by one spline - one of the penalties of using a direct drive servo. :(

Otherwise apart from programming a touch of throttle/elevator mix nothing else needs doing although I will have to seriously look at how to provide some 'spring' in the U/C. ;)
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Retracts? - I have a cunning plan! 18 Dec 2016 18:56 #54

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Stationery shop 'erasers', like in the original Issigonis mini.
You may recall that I used this method on my E-MXS that I flew at the first fly-in that Garry organized.
(I put 'erasers' because rubbers are something entirely different in the U.S. of A!) [badass]
if you are calm and collected when all about you are going berserk - you've missed something important!
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Retracts? - I have a cunning plan! 11 Apr 2017 20:04 #55

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I will resurrect this thread for the repairs to the Ballerina.
A nose dive straight in resulted in this after crushed nose was tidied up.

Fortunately I kept all the building plans I created so not too difficult to start building up a new nose directly off the face of former 2.

About the trickiest bit will be re-creating the front of the battery box which was completely crushed.
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Retracts? - I have a cunning plan! 13 Apr 2017 00:14 #56

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The nose structurally complete.

The joint between the old and new as well as a split in the fuselage have been 'taped' with heavy weight tissue stuck on with PVA.
A bit of filling to to and also make a new battery the battery hatch.
Last Edit: 13 Apr 2017 00:15 by Quorneng.
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Retracts? - I have a cunning plan! 14 Apr 2017 00:07 #57

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The nose filled and painted blue.

Some of the bare Depron will also need a slight 'wash' of white.
Battery hatch next.
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Retracts? - I have a cunning plan! 14 Apr 2017 21:59 #58

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More or less complete.

I have robbed the black spinner that was on the Petiterina (with its radial it no longer needs one ;) ) as it runs true whereas the previous yellow one had a 'wobble', the result of poor moulding of its back plate! :angry:
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Retracts? - I have a cunning plan! 15 Apr 2017 19:50 #59

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Complete and sitting on its U/C.

That just leaves the nose of the XB70 Valkyrie to repair!
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