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Member postings for Martin Dance 1

Here is a list of all the postings Martin Dance 1 has made in our forums. Click on a thread name to jump to the thread.

Thread: Horizon Hobbies
19/09/2017 11:40:39

I have a DX6 which does the same thing. Originally supplied with Dry batteries, which discharged at about the rate you might expect. I bought the Spektrum Lithium rechargeable battery pack. After installing it and charging it with the appropriate charger I noticed the same phenomenon. Asked at my LMS which considered it 'normal'. I removed the pack and opened it and beside the battery there is a small electronic circuit which I guess is the charge regulator. I guess this because the Spektrum logo on the TX face doesn't light up when charging unlike my DX8 which does. My guess is the charging circuit in the battery pack is responsible for this self discharge phenomenon, after all lipos have a very low self discharge rate.,

Thread: The 2018 Mass Build Ideas thread
12/09/2017 14:33:42

Pondering a possible model for the 2018 mass build I wondered whether a stand off scale model would be a possibility? I would suggest that the Tipsy Junior, a Peter Miller plan would be suitable. Simple to build and can be enhanced with scale detail, unfortunately only two existed so perhaps not very exciting. Or Peter's CAP 20. A slightly more challenging build with the semi elliptical wing. There are lots of colour schemes around to allow personalisation.

I've also built Peter's Fournier RF4, but perhaps a long tapered wing with washout is a step too far?

Thread: I've just acquired
14/08/2017 17:17:18

I guess the machine you have is ex school or college. If it is I would check the condition of the seals. There are two, a thicker slightly softer one that fits around the edge of the table and another that is quite obvious on the top of the machine on which the plastic is placed and the frame brought down and locked onto it. Unfortunately people often leave the table up and the frame locked down which shortens the life of the seals. Poor seals = poor vac forming. Good seals = excellent vac forming. I think this machine also had an air filter inside the cabinet, rarely changed but a poor vacuum points toward a blocked filter.

BTW K&M supplies who are an educational supplier sell plastic sheet already cut to size for the machine. They are Halfway near Sheffield.

good formingsmiley

Thread: help with robart pin hinges
08/08/2017 12:19:12

I've got a pack of those just the same, They're in the bottom of my hinge drawer right now. If someone comes up with a sensible, cheap and easy way to use them that's where they'll stay.

Thread: Is it a record
28/07/2017 14:07:27

My thread title was intentionally ambiguous as was my opening post. The second post answered the question, so arguably ending the thread.

However many of us, contributors to the forum and the wider model building population are naturally concerned when one of the major players in the business stops trading especially one that appears to hold a large percentage of the plans and part kit asset.

Equally I can see the sensitivity of the owners of this forum who are effectively the other businesses chief rival. Clearly seeming to gloat over a rivals misfortune is not a nice thing, after all, in these uncertain days in publishing you could be next.

I have also been the 'victim' of moderation and put on the naughty step earlier this year when I suggested a post asking about models crashing into houses might just be a malicious posting.

My final point is that what appears to be conspicuous moderation might give rise to a new sport of moderator baiting, it's a blood sport and ultimately there are no winners

Thread: New Laser engines. What do you want?
28/07/2017 13:48:16

Jon, I suspect that your 'correspondent' may well be a single finger typist who has difficulty in turning his/her computer on and therefore struggles to stirng a few coherent words together. Asking what they intended to use the motor for is way beyond their computer skills.

Another possible solution to your problem lies in your telephone system.I don't know whether you have a multi option system. So that 'press 1 to hear the latest stock availability. Press 2 to hear the estimated waiting times for other engines. Press 3 to speak to that nice Mr Harper!

Thread: Is it a record
28/07/2017 10:19:44

Thread opened to locked in one hour and ten minutes. Moderators are you being played with?

Thread: Ebay sellers...
26/07/2017 07:57:03

Now then the ad does say that you are only getting the front bit, that'll be the lump of corroded metal then. The rest is going in the bin.

Thread: Visiting the UK in September
23/07/2017 14:31:11

Just checked and the 'ghost squadron' is doing Middle Wallop on 9th 10th September.. I think your only problem whilst you are here is when to sleep!

23/07/2017 14:25:02

Whilst in the south a visit to the Museum of Army Aviation at Middle Wallop is worthwhile. Its on the site of the largest grass airfield in the country. When you have finished in the museum go to the restaurant, have a cup of tea and watch the current helicopters on the airfield. BTW a number of model events are held there during the year Sam35 and scale aero-tow hold events at MW.

Thread: Credit where credits due
19/07/2017 16:50:54

Talking of quick service. I recently acquired an OS 60 open rocker 4stroke,but the needle valve was bent. A fruitless search ensued looking for a genuine replacement. Then I searched through my OS engines and discovered that the OS 30 Surpass needle although not quite identical works perfectly. I found that Just Engines stocked spares for that engine. A quick phone call confirmed that they had one in stock. A quick exchange of details and a card number and they said it would be posted that day, Tuesday. The rest of the week passed pleasantly enough but no needle valve. I decided that on Monday if it didn't arrive in the mail I would ring. About 10:00 my phone rang, it was JE, 'we've just got your needle valve back with the package marked not 'known at this address'. Can we check your address?' It seemed JE had put the house number the wrong way round 75 instead of 57. 'We'll put in the post today' It arrived yesterday(Tuiesday) so just a week to do one round trip and back to me not bad I suppose. A pity the householder didn't look up my name and walk the 50 yards or so to my door, a pity too that the postman having already put mail through my door on his way to 75 didn't spot the name occurring twice in the same street and my surname isn't Smith or Jones.

Thread: Caption this...!
13/07/2017 16:10:31

Just checking to make sure there's enough sky above us, but it's OK the fuel is still in the Bowser.

Thread: Monkey's new clothes
18/06/2017 13:43:47

I'm told by a friend, a very good builder and even better decorator of models the best way is to apply a good quality and sticky masking tape firmly,iron lightly and then remove whilst warm.

Thread: Autogyro Get togethers
07/06/2017 13:03:10

Hi, Just to confirm what most will already know Graham's bash at Reading is postponed until later in the year. The proximity to the autogyro event at Old Warden and the Winterton event the following week have caused a bottleneck.

So watch this space.

Martin RDMAC

Thread: Insurance prices
02/06/2017 14:04:36

I always check alternative quotes once I've received the renewal invitation in order that I can get an accurate like for like quotation. Otherwise the quote you get from most companies is a very basic level of cover. For several years i could not improve upon my existing company ('Oh yes'. Last year however my bank proved to be the best price, this year don't know yet. My wife's insurance renewal was for some silly amount for an old Yaris, around about £600. Shopped around and found an insurance for £109 loaded with every conceivable extra from a small but well known company.

Thread: Ebay sellers...
14/05/2017 12:13:11

Peter, you misunderstand. The man is a specialist, in selling junk found in a very damp garage! Each item he is selling is unique. For example the bench rebate plane Stanley no 10 appears to be broken on the right side of the casting and the cutting iron is pretty much worn out. The first rebate plane without its cutters is effectively worthless unless you happen to have some cutters. In fact in my area with our new waste collection and recycling regime the bin men could well refuse to take the Pitts special and the Veco 61!!smiley

Thread: How to connect a solenoid to a receiver?
04/05/2017 08:03:55

If Frank's suggestion is a no go I guess you could use a suitable ESC. I'm guessing that the solenoid is only powered in one direction with a spring return.Choose an ESC with a suitable current rating.

Thread: Can you identify this model?
26/04/2017 18:24:13

I built one from the free plan. Fitted with Graupner 400 can motors and originally plastic Gunter props. Performance with 6 cell Nicad was dismal. Replaced them with 2400 7 cell nicads and carbon Gunter props, much stiffer. However the larger heavier batteries required some 200g of lead fixed to the tail! Model would now climb to around 50 feet on fresh batteries and at full throttle. any reduction in power either by the throttle stick or the batteries running down would initiate a glide which always ended in a landing -- somewhere--.

So I replaced the nicads with 3300 2S lipo. Only one snag at the initial test, the motors started to smoke at full throttle!.Curious when you consider the fully charged voltage of both 7 cell nicads and 2S lipo are fairly similar. My quick but dirty fix was to limit the throttle with an adjustment to the ATV, clearly the lipos were able to liberate a good deal more current. The bonus was the lead could be removed from the tail and because the lipos are lighter the model weighed a good deal less. The performance went right up! loops, rolls etc were now possible and a pleasure and landings were where I intended not the model. At about this time I went to 2.4ghz and had telemetry was an option so I fitted an ASI It was at this point I discovered that an audio output on the Tx is essential, you cannot look down at the tranny display when your model is doing around 90mph! A spotter is essential to read off the speed. BTW the top speed was 103mph in a shallow dive.

To deal with the thought of converting to brushless motors, which I considered three issues presented themselves. 1. prop size would need to use Gunter or slightly larger props due to insufficient clearance between the motor pod and the fuselage which would probably mean using in runner motors or very high Kv outrunners. 2. running the three wires replacing the original two wires is not a simple pull out and push in three new wires, there isn't space in the groove in the pylon core which is plywood. 3.To replace the motor pylons is major surgery as they are glued together inside the fuselage.

Any way the thought was rendered academic when loading the car one morning and shuffling by my car and the neighbours wall I stumbled and fell crushing the model!!

Thread: A + B Tests
07/04/2017 20:42:56

One reason tat two examiners are required to conduct a B test could be that it is quite a difficult test to examine far easier to fly the test than to examine it. For example rolls have to be flown from both left and right and rotating clockwise and anticlockwise. With two pairs of eyes watching errors are less likely to be missed. Similarly at times the fingers on the sticks need to be watched as well as the model. Tricky unless you are like Marty Feldman.

Thread: Caption competition!
31/03/2017 17:35:08

Joe had fitted one of these stabilised Rx's its wings level feature will have it the right way up in the blink of an eye!

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