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Member postings for Steve J

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

Thread: AR620 Loses Connection on Lower Power Range Check
22/07/2020 14:16:43

If you want to update the firmware on Spektrum receivers, you have to download the updater or programmer which Spektrum publish on spektrumrc.cachefly.net.

The firmware itself can be downloaded from the spectrumrc.com (the programmer will do this for you).

22/07/2020 11:33:09

I've been reading the AR410/620 topic over on RCG. There seem to have been a few firmware updates for these receivers. If you have any of the recent Spektrum receivers, I would advise registering them and keeping an eye out for updates.

Thread: nicad battery packs
22/07/2020 11:30:34
Posted by sqweaka on 22/07/2020 10:54:37:

so you need to buy a different charger for your transmitter for the new nimh packs?

No.

Buy an Eneloop pack from Component Shop (or elsewhere) and use your existing wall wart charger.

If you left the battery discharged in the transmitter, I would have a good check for corrosion before spending money on a new battery.

Edited By Steve J on 22/07/2020 11:36:15

22/07/2020 10:42:06
Posted by sqweaka on 22/07/2020 10:24:19:

Question... can you no longer buy nicad battery packs for rx's/tx's now?

People can't be trusted to dispose of NiCad cells properly.

For AAA's and AA's, I recommend Eneloops.

Edited By Steve J on 22/07/2020 10:42:19

Thread: AR620 Loses Connection on Lower Power Range Check
22/07/2020 10:19:40

If I am reading EvilC57's posts correctly, the title of this topic is misleading. The AR620 is not losing bind. It is losing a low power signal and not reacquiring it.

Posted by EvilC57 on 22/07/2020 09:31:51:

As the range check worked OK for us with a G3 DX6 but not with two different G1 DX8s, it begs the question, “When going to range check mode, does the transmitter do more than just cut its RF power output”. I.E. Does it do some communicating with the receiver first, along the lines of ‘I am now going into low power mode.’?

I doubt it.

Thread: Mini flight stabilisers
20/07/2020 13:11:56

Posted by Dickw on 20/07/2020 12:58:43:

I have a taildragger warbird (Spitfire) that in a fit of madness I fitted with a castoring tailwheel. Manoeuvring on the ground is easy, but the first attempts at take off were hilarious. The use of a gyro on rudder turned up to max damping in a "take off" flight mode solved the problem and it now takes off in a straight line.

Takeoffs and landings with my ParkZone Mosquito are usually done with rate gyro on the rudder and ailerons.

I had a 30cc Yak 54 with a rudder gyro and used the rudder in heading lock for taxiing cross wind.

20/07/2020 12:44:37
Posted by Ron Gray on 20/07/2020 12:17:38:

Plus there is a school of thought that says you can overcome tail heavy (warbird) 'planes without adding nose weight! I've not tried this but will be doing so as it intrigues me!

I don't think that I would fancy a model that couldn't be flown in manual mode.

[looks at his list of airframes for one suitable for an elevator gyro test ]

 

Edited By Steve J on 20/07/2020 12:45:32

Thread: Propeller safety
19/07/2020 09:47:47
Posted by Trevor Crook on 19/07/2020 07:38:02:

I was a bit surprised by the Funjet incident though, .... I always felt my hand was down and clear as the prop came past it, but maybe each launch was a close shave.

That has always been my feeling on the matter, but maybe it's time for a bit of PPE.

18/07/2020 22:02:56
Posted by Trevor on 18/07/2020 20:37:32:

Incidentally, on the subject of launching pushers, surely one of the advantages of electric is that there’s absolutely no need to start the motor before the model is launched.

If I launched my FunJet with the motor off, it would be on the ground before I could open the throttle.

I've been thinking about getting a kevlar sleeve for a while, time to click on pay I think.

Thread: DX6E
18/07/2020 21:59:34

This page has a photo showing the upper left switches.

**LINK**

Thread: Wireless binding
18/07/2020 15:09:17

I have used my DX9 (dual protocol) as the master with a range of slaves including a DSX9 (DSM2), a DX8G1 and a DX6G2.

Effectively the slave sends the stick positions to the master. You don't need to do much on the slave, just create a default model and bind it.

Edited By Steve J on 18/07/2020 15:26:51

Thread: Does anyone recognise this engine?
17/07/2020 19:19:26

According to the designer over on the LMA forum, the standard Greenley was designed for a Zenoah 38.

A model is worth what somebody is prepared to pay for it.

I have a 6ft Titan which is similar to the Greenley and which I bought third hand with a Zenoah 23 on the front. I replaced the 23 with a Zenoah 26 and a pipe which made it a nicer model to fly. It currently has a DLE 30 on the front .

17/07/2020 17:38:40
Posted by Phil B on 17/07/2020 17:28:30:

whats a Greenley?

A heavy trainer, tug or winter hack.

Google 'LMA Greenley' or 'Ghost Squadron Greenley'.

17/07/2020 17:17:09
Posted by Phil B on 17/07/2020 17:05:32:

I think its a 17 x 6 prop

A 17x6 feels like an under propped 22 or 23 to me. According to my notes, I got 6000 rpm with an 18x8 Menz on an ZG23.

Zenoahs are reliable, but I would only fit one if I needed the nose weight and had room for a decent silencer.

Edited By Steve J on 17/07/2020 17:17:31

17/07/2020 17:11:45

I wonder if the model is a Greenley. If it is, I would be tempted to get it, put an engine with a better power/weight ratio on the front and use it as a hack.

17/07/2020 16:39:46

Zenoah. Is the prop a 17x6 or x8?

Thread: Seagull Boomerang or Arising Star - any difference at all?
17/07/2020 16:25:24
Posted by Denis Watkins on 17/07/2020 16:12:52:

Poor newbies reading this

Why?

A newbie reading this would discover that some people like the Boomerang as a trainer and might learn some basic aerodynamics.

17/07/2020 10:45:52

"Once the aircraft has climbed out of this turbulent level it is, in effect, flying in a steadily- moving block of air. Thus, with a wind speed of 10 mph the block of air in which your aircraft is flying is moving downwind at a speed of 10 mph. So, your aircraft which flies at a speed of, say 20 mph will appear to be doing only 10 mph when flying into the wind (flying speed less wind speed) and 30 mph when flying downwind (flying speed plus wind speed). In point of fact your aircraft knows nothing about the wind speed at all and is flying at a steady 20 mph all the time!

"You will often hear people say that their aircraft tends to climb when turning into wind and dive when turning downwind. What is really happening, of course, is that they are subconsciously trying to compensate for the apparent variation in speed and themselves causing the aircraft to climb and dive."

(BMFA - Flying Start 2015)

15/07/2020 09:02:31
Posted by Jonathan M on 15/07/2020 08:52:31:

Never mind what the model knows or otherwise, what will two almost identical trainer models with moderate dihedral do differently as they are turned into the wind, everything else being equal?

Assuming that the model is high enough that wind gradient effect are negligible, the model doesn't know if it is being turned into or out of wind. 'ballooning' is down to the actions or perceptions of person on the sticks.

14/07/2020 20:28:29
Posted by David Davis on 14/07/2020 19:04:29:

It can be flown in a stiff breeze without ballooning when turning into wind. ...

I do a fair bit of instructing. ...

How does the model know when it is 'turning into wind' ?

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