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Search: Posts Made By: quorneng
Forum: Scratch and Kit Built Aircraft Today, 12:23 AM
Replies: 51
Views: 1,071
Posted By quorneng
All the bits so far. 178869 It really does...

All the bits so far.
178869
It really does look like a man with a gas axe has been at it!
Just the nose to make but then there is a lot of fitting and fiddly work to do - the ailerons and servos,...
Forum: Scratch and Kit Built Aircraft 12-18-2014, 01:06 AM
Replies: 51
Views: 1,071
Posted By quorneng
It always amazes me how long fitting the servo...

It always amazes me how long fitting the servo and control surfaces actually take although in this case made more difficult by the odd tailplane geometry.
As all the servos are going to be several...
Forum: Scratch and Kit Built Aircraft 12-17-2014, 12:14 AM
Replies: 51
Views: 1,071
Posted By quorneng
The top of the tail section cut away to seat the...

The top of the tail section cut away to seat the 3mm sheet Depron tailplane.
178834
The tiny 2.5g servo on top of the tail plane just fits within the fuselage.
The cut out fuselage section is...
Forum: Scratch and Kit Built Aircraft 12-16-2014, 11:59 PM
Replies: 17
Views: 378
Posted By quorneng
I have not contributed so far because it seems to...

I have not contributed so far because it seems to me just about every possible configuration of a flat sheet plane has already been done.
Surely this is the attraction of the moulded ARTF foamy. It...
Forum: Scratch and Kit Built Aircraft 12-16-2014, 01:50 PM
Replies: 51
Views: 1,071
Posted By quorneng
BV 141? Now there's an idea for something a bit...

BV 141?
Now there's an idea for something a bit off the wall!
Forum: Scratch and Kit Built Aircraft 12-16-2014, 01:01 AM
Replies: 51
Views: 1,071
Posted By quorneng
More tedious than balsa to plank? Not really. ...

More tedious than balsa to plank? Not really.
Depron is very easy to cut and sand and by using UHU POR as a semi contact adhesive (let it try for 30 seconds) Depron is flexible enough to be fixed...
Forum: Scratch and Kit Built Aircraft 12-15-2014, 02:43 PM
Replies: 31
Views: 662
Posted By quorneng
Manufacturers de-rating LiPo? I would be...

Manufacturers de-rating LiPo?
I would be surprised.
More likely they just 'up' the C rating to keep up with the competition!
Forum: Scratch and Kit Built Aircraft 12-15-2014, 01:15 AM
Replies: 51
Views: 1,071
Posted By quorneng
The top half of the centre section planked. ...

The top half of the centre section planked.
178800
The bottom half will only be planked when the radio, wiring and the battery position determined.
The rear fuselage formers on the plan.
178801...
Forum: Scratch and Kit Built Aircraft 12-15-2014, 01:00 AM
Replies: 31
Views: 662
Posted By quorneng
Very impressive indeed. 17.8oz is a very...

Very impressive indeed.
17.8oz is a very creditable achievement given the level of detail and finish you have incorporated.
Just out of curiosity what is the static current draw and what is the...
Forum: Scratch and Kit Built Aircraft 12-12-2014, 04:28 PM
Replies: 51
Views: 1,071
Posted By quorneng
With the EDFs right at the front of the nacelles...

With the EDFs right at the front of the nacelles I anticipate they will almost counter balance the weight of the elevator servo and tail feathers. The fuselage itself is almost neutral so hopefully...
Forum: Scratch and Kit Built Aircraft 12-12-2014, 12:22 PM
Replies: 31
Views: 662
Posted By quorneng
I wouldn't worry as I doubt many people would be...

I wouldn't worry as I doubt many people would be able to recognise the difference between a Comet 3 and 4 as the one flying example was only shown to the public at Farnborough in 1954 (BOAC colours)...
Forum: Scratch and Kit Built Aircraft 12-12-2014, 11:40 AM
Replies: 51
Views: 1,071
Posted By quorneng
With the nacelle fixed to the wing centre section...

With the nacelle fixed to the wing centre section it confirms the simple glued joints do indeed have sufficient strength and it allows a start to be made on the fuselage centre section.
178761
It...
Forum: Scratch and Kit Built Aircraft 12-11-2014, 12:55 PM
Replies: 31
Views: 662
Posted By quorneng
Well done on doing all those windows although the...

Well done on doing all those windows although the earlier Comets did not have so many.
I chickened out on my Q400 and took the minimum weight option.
I expect I will do the same for the Canberra.
Forum: Scratch and Kit Built Aircraft 12-11-2014, 11:33 AM
Replies: 51
Views: 1,071
Posted By quorneng
The dihedral tailplane is an issue but I have...

The dihedral tailplane is an issue but I have 'cheat' solution - flexible horns!

This is the elevator linkage on my now rather old 'bank and yank' V tail 60" powered glider.
178746
A micro servo...
Forum: Scratch and Kit Built Aircraft 12-10-2014, 10:30 PM
Replies: 51
Views: 1,071
Posted By quorneng
Progress now gets rather tedious. Lots of fiddly...

Progress now gets rather tedious. Lots of fiddly bits similar to what I have already done.
The bits I have made so far.
178734
At least the wing is recognisable Canberra!

The fuselage will be...
Forum: Scratch and Kit Built Aircraft 12-10-2014, 01:06 AM
Replies: 51
Views: 1,071
Posted By quorneng
Once the outer panel is structurally complete the...

Once the outer panel is structurally complete the next task is to glue it to the engine nacelle to see how rigid and strong the joint is bearing in mind it has no reinforcing of any kind.
178731
A...
Forum: Scratch and Kit Built Aircraft 12-09-2014, 02:13 AM
Replies: 31
Views: 662
Posted By quorneng
I wish I had a skilful assistant! ;) ...

I wish I had a skilful assistant! ;)
Fortunately I am left handed but fly Mode 2 so I atleast have aileron and elevator straight away.
A chuck glider certainly helped me confirm the CofG on my...
Forum: Scratch and Kit Built Aircraft 12-08-2014, 05:48 PM
Replies: 31
Views: 662
Posted By quorneng
Bill I would agree 15oz/sqft is quite...

Bill
I would agree 15oz/sqft is quite acceptable for hand launching. I have had no problem with my Q400 at that but of course is also has available a thrust loading better than 1:1 if required....
Forum: Scratch and Kit Built Aircraft 12-08-2014, 03:39 PM
Replies: 51
Views: 1,071
Posted By quorneng
First the ribs. The Canberra apparently used an...

First the ribs.
The Canberra apparently used an RAE/D symmetrical 12% section at the root reducing to 9% at the tip but I can find no details for it. The only published information is for the RAE...
Forum: Scratch and Kit Built Aircraft 12-07-2014, 06:19 PM
Replies: 31
Views: 662
Posted By quorneng
Bill That fuselage looks very nice indeed. ...

Bill
That fuselage looks very nice indeed.
And I agree when building small and very light it certainly does show up just how inefficient EDFs are - and smaller ones particularly so!
Forum: Scratch and Kit Built Aircraft 12-07-2014, 01:57 AM
Replies: 51
Views: 1,071
Posted By quorneng
A bit more drawing showing the likely wing...

A bit more drawing showing the likely wing construction.
Basically it will be an all 2mm Depron "D" box with tissue covered rear panels.
178671
Once complete the next job will be to work out how...
Forum: Scratch and Kit Built Aircraft 12-05-2014, 04:37 PM
Replies: 33
Views: 1,179
Posted By quorneng
With continued calm weather but this time cold...

With continued calm weather but this time cold but clear blue I flew it again.
Still fairly gentle as this time all the temporary control surface extensions were removed.
LiFvp-OiPNU
A bit of a...
Forum: Scratch and Kit Built Aircraft 12-04-2014, 10:22 PM
Replies: 33
Views: 1,179
Posted By quorneng
JPF The problem is being a Depron belly lander...

JPF
The problem is being a Depron belly lander I want to keep the ground slide as short as possible so preferably it has to be virtually stalling at the flair. As you say a 'no drag' power setting...
Forum: Scratch and Kit Built Aircraft 12-04-2014, 09:05 PM
Replies: 33
Views: 1,179
Posted By quorneng
It flies - but I also broke it a bit! The...

It flies - but I also broke it a bit!
The problem was it was rather tail heavy. Just a simple circuit and set up a long approach keeping from flying too slowly but a foot off the ground it slowed...
Forum: Beginners 12-04-2014, 03:06 PM
Replies: 17
Views: 306
Posted By quorneng
Wesday As a bit of an engineer nerd the issue...

Wesday
As a bit of an engineer nerd the issue between brushed and brushless (particularly the out runner type) was its delightful simplicity.
No brushes or gearbox so nothing really to wear out....
Forum: Scratch and Kit Built Aircraft 12-02-2014, 09:25 PM
Replies: 33
Views: 1,179
Posted By quorneng
The extraordinary fuselage to wing ratio was...

The extraordinary fuselage to wing ratio was really the reason I set off building it.
My main worry is not the weight of the fuselage (its only 12% of the total weight) but its aerodynamics.
As...
Forum: Scratch and Kit Built Aircraft 12-02-2014, 02:26 PM
Replies: 51
Views: 1,071
Posted By quorneng
The nacelle in its test stand -all Depron of...

The nacelle in its test stand -all Depron of course.
178591
Like all these super light Depron structures it makes a good sounding board so quiet is it not!
HLEVKG19vdU
It weighs 0.8 oz (22.5g)....
Forum: Scratch and Kit Built Aircraft 12-01-2014, 08:46 PM
Replies: 33
Views: 1,179
Posted By quorneng
With the fuselage substantially complete the...

With the fuselage substantially complete the painting can start based on the new Flybe colour scheme.
178580
The rest of the fuselage is purple!
178581
Next problem is to mount a 1500mAh 3s in...
Forum: Scratch and Kit Built Aircraft 12-01-2014, 12:12 AM
Replies: 51
Views: 1,071
Posted By quorneng
The AEO 30mm EDF has a rather larger diameter out...

The AEO 30mm EDF has a rather larger diameter out runner so it really needs the 'after body' to gradually bring the 'annulus' airflow down to a tube.
178554
This body will not be attached to the...
Forum: Scratch and Kit Built Aircraft 11-27-2014, 02:32 PM
Replies: 51
Views: 1,071
Posted By quorneng
As weight is going to be the 'be all and end all'...

As weight is going to be the 'be all and end all' of this build a little bit of weigh comparison.
2mm Depron and copier paper
178507
Copier paper and acrylic sprayed tissue
178508
This rather...
Showing results 1 to 30 of 500

 
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