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Member postings for Nigel R

Here is a list of all the postings Nigel R has made in our forums. Click on a thread name to jump to the thread.

Thread: Please Help Me Out With The Arithmetic On This One Gentlemen!
21/08/2018 11:36:59

David, that's an ammeter that tops out at 40A. Not a wattmeter. Different animals.

21/08/2018 11:28:26

I am pushing in excess of 830w/lb

Can you post the setup please? I would love to know how!

21/08/2018 11:24:40

Ok, extrapolate from the existing lipo for this case.

I still suggest David needs a wattmeter, as a few other threads would confirm.

21/08/2018 10:42:10

David, get a wattmeter and stop messing about with guesswork. It would make life so much easier.

Thread: Adventures with a Limbo Dancer
21/08/2018 10:23:24

instead of throttle hold - I changed my DX6i's push button throttle cut, for a toggle switch. Works very well. It needs to be enabled for each model memory, but, when switched in, the throttle stick is completely dead. I now find it odd that the set didn't come with a toggle as standard.

Brilliant safety feature for electrics, I think.

Thread: Tony Nijhuis 72 Mosquito Build Log
21/08/2018 06:27:34
Mike that looks great, well done!
Thread: Which Radio Gear?
21/08/2018 06:23:20
Genuine spektrum kit has no range issues dave.

No chance they would have the market share they do, if they did.


Thread: RM Aerobat
21/08/2018 06:15:57
Thanks SR71! It has proved it's worth a few times now. The drawings are on the Internet somewhere. I think if you search for "RCM fuselage jig" There is a thread on rc groups where the plan was posted. It was a little tedious forming the hardwood squares by hand but it is dead good to use and the hardwood doesn't bend, unlike the moulded plastic jigs sold commercially.

Piers thank you, yes hopefully all up weight will be about three pounds based on the similar size trainer - I'm using much the same structure on this. As far as the 507 servos go, a pair of them does not carry too much of a weight penalty over the 225s. The best part of an oz I think. But the lard is close to c of g.

I guess with an ic build I would expect about 3 1/4 to 3 1/2 dry, with the usual extra kit going on board. I'll find out how much under that I am quite soon now
20/08/2018 23:34:53

Added some structure at the back and made a start on the deck formers. I've decided on trying to make the turtle deck with curved sides. Not sure if that will mean planking or whether I can convince a single sheet to go around the formers. Sticking with the plans suggestion of using a length of 1/4" sheet at the top of the deck. So the side sheet only had a mild curve in it.

20/08/2018 23:29:39

20180820_225101.jpg

Thread: Adventures with a Limbo Dancer
20/08/2018 15:22:35

No big surprise to hear jeffrey - 130mm makes it 35% (if I'm driving my calculator correctly). These things have very forgiving wing sections and decent sized tailplane so should tolerate that CG without any issue.

Thread: Bj's Modellflyg videos
20/08/2018 15:01:58

Ouch.

The big turbine jets are things of beauty. It is quite a thing to send something like that up; as all can be ended so quickly by a tiny failures - at such speeds there is no recovery.

Full credit to the guys on site for dealing with the smoking wreckage quickly.

Thread: Adventures with a Limbo Dancer
20/08/2018 14:10:01

Not Limbo Dancer specific, but I'd go with 30% chord including the barn doors. It's worked out fine on a similar size & shape build for me in the past.

I'd be tempted to go back to the 3000 lipo. And up the power - 18A is only about 200W? -  try a 12x5 and see what the watts are. At 3lb I would shoot for the far side of 400W.

Fun flyers like this need good vertical; duration not so much smiley

Edited By Nigel R on 20/08/2018 14:15:15

Thread: Servos that swing both ways!
20/08/2018 13:30:30

Probably quite feasible for HK to order a thousand 'lefties' in one go.

It's definitely DIYable on something you can get a soldering iron to.

http://www.glide.net.au/on-the-wing4/ServoReversing.pdf

Obviously the "easy" answer is lots of channels and a fancy TX...

Thread: RM Aerobat
20/08/2018 12:56:29

Time to get the fuselage together - prev three pics:

First lot of glueing, I did the firewall and second main former.

Then the lipo/servo trays in the wing saddle area.

And then some reinforcement around the formers. Usually this is just whatever scrap comes to hand. I aim for around 1/4" sq on the firewall and get progressively lighter further back in the fuselage.

Next up, joining the tail with a wedge shaped block of about 2" x 1/2" x 1/4", tapered to fit, and adding uprights and cross-members in the rear half of the fuselage. The plan shows full 1/8" sheet formers in three places, but making these "formers" from 3/16" square strips should save some weight. The deck will still need a "proper" former to hold the sheet sides in place.

20/08/2018 12:47:02

20180818_230313.jpg

20/08/2018 12:46:46

20180817_231249.jpg

20/08/2018 12:46:30

20180817_225048.jpg

Thread: Panic bipe servo advice
19/08/2018 07:48:16

I'd go with a 3152 or equivalent 'standard digital' size, rudder takes a lot of torque to move in knife edge on a 60 size model. And this is a big rudder if I remember right.

Thread: fav model of all time
17/08/2018 11:44:09

Can't pick one.

Chilli Wind (or Breeze) - excellent flyer, simple to build, old style pattern aerobat with no vices. Better than an Acro Wot I would say. Until recently I probably had more air time on one of those than anything else.

However. The current 'most-flown' model is my Hobbyking Depron MX2. Very neat, capable, 40" 3d package. Naff U/C and a couple of weak points structurally, all easily fixed, but flight performance is just excellent. Brilliant value for money as a bonus.

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