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Member postings for Max Z

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

Thread: Log in problems
27/07/2018 07:29:21

For the record, I was kicked out again yesterday. I removed the http password, let's see how it goes.


Thread: Baby Flea
23/07/2018 17:55:01


Current state of affairs:



It may not look like it, but a lot of work has gone into the little critter since I last posted. Not all of it physical (although planking the top deck was a new experience for me, so that took a while), but also a lot of contemplation, what servo's and how to mount those, how to restrain the battery, how to make the landing gear and fit it, even what color I should put on, as you can see part of it is already on (Solartex) since I figured I could never reach the bit behind the wing struts with my iron so I had to do it before installing those.


Edited By Max Z on 23/07/2018 17:56:47

Thread: Log in problems
22/07/2018 14:04:55

I like to test one option at a time, so for now I am going with Denis' first suggestion. I changed my Safari History setting to manual deletion, let's see what that brings.

If/when I am kicked out again, i'll delete the http site password. At least KiwiKid explained the two different entries in the list, but I'm afraid my login problem exists for a bit longer than a few weeks


22/07/2018 08:25:08

Hi Denis,

I did indeed look at that section, and made sure that the password for is there. For some reason, there are two versions to be seen; one with an extension "-http" and one with "-https". I know what these mean, but do not understand why they are both there. Fwiiw, the same password is registered for both.

About the tip you found on Google: I am using a Dutch version of osx, and there is a checkbox on the top of the passwords section of the preferences window saying "Vul gebruikersnamen en wachtwoorden automatisch in", which translates as "Enter user names and passwords automatically". I wonder if this is the same as "Allow Autofill even for websites that request passwords not to be saved". Did you check yours?


(btw, I was logged in automatically this morning, so fingers crossed...)

Edited By Max Z on 22/07/2018 08:28:51

21/07/2018 22:21:58
Posted by Denis Watkins on 21/07/2018 21:59:12:it was sort of an effort to be neighbourly and helpful.

Which is much appreciated Denis, but I just could not see how it would affect retention of my login on the modelflying site. But I will give it a try nevertheless.


Edited By Max Z on 21/07/2018 22:22:23

21/07/2018 10:15:50

Nothing there about passwords, only "remove from history" (mine is set to 1 year) and "remove from downloads list" (set to 1 day)

21/07/2018 08:42:05

I have the same problem on the Imac. I faithfully check the box "Remember me?"every time, to no avail. Otoh login is pretty quick, and gets you back to the page you were on before, so I've just learned to live with it.

But it remains a strange exception, no other websites I know of have this (other than those that log you out deliberately, like online banking sites).


Edited By Max Z on 21/07/2018 08:42:39

Thread: Black Fly a new Flying Car
18/07/2018 12:46:41
Posted by Geoff Sleath on 18/07/2018 00:40:05:

I need some convincing that this is real.

Same here. Notice that nowhere in the video you see a person climbing into the craft and taking off with it.


Edited By Max Z on 18/07/2018 12:48:07

Thread: Baby Flea
03/07/2018 16:27:47
Posted by AVC on 03/07/2018 15:43:35:

Will you reinforce the rear strut somehow?

I am not sure what you mean by that, the struts remain as they are now, but I am adding a small block on either side under the "deck", to give the rear strut more glueing surface.


03/07/2018 14:54:36


Frame for the top cowling fitted permanently. Frame of the forward hatch completed (to slide the battery in and out). Wing struts fitted temporarily, I will take these off again and complete the planking of the cowling first, as it will be quite awkward to finish that with the struts in place.



I also had a stab at making the landing gear, I am waiting until I have the ordered correctly sized wheels (87 mm diameter Dave Brown lite wheels) to finish it.


Edited By Max Z on 03/07/2018 14:55:18

01/07/2018 14:04:39

Some pictures to give you an impression of  the build sofar. The one with the flat top is the actual status, I need to place it upside down to add the bottom planking first. The other ones show a mockup of the front top cowling.





Edited By Max Z on 01/07/2018 14:09:08

29/06/2018 16:39:49

Okay, after several years lying dormant in my computer I woke the project up again, and finished the re-design of the larger version in the last couple of weeks (told you scaling up is not that simple...). I send the parts file off to my favourite kit cutter and they arrived this afternoon. So let the build start (when my building shed cools down sufficiently, temperatures here in The Netherlands are soaring over the next few days. No different from the UK I guess).


Edited By Max Z on 29/06/2018 16:44:09

Thread: I/C to Electric power comparison?
28/06/2018 15:46:34

If you are going into electric power beyond RTF/BNF models I think it is well worth investing a few hours on understanding the basics of how electric powertrains work (specifically the relationship between prop size, Kv and current drawn). That that will stand you in good stead whenever you want to optimise or specify a new powertrain.

A good start might be the new series of articles in RCM&E by Dave Burton, "Current Affairs", starting in the July '18 issue.


Thread: Tx modes
24/06/2018 09:13:53
Posted by fly boy3 on 23/06/2018 23:24:32:

With the buddy lead set up, do the transmitters have to be compatible ? Cheers

Until recently, most sets had a PPM pulse input/output that you could use for cross-brand training purpose, all you had to do was buying or making a lead with two matching plugs for each system. Even my latest version of the Multiplex Royal, the SX, has the familiar DIN socket for that purpose, even though it is a fully digital 2.4 gHz transmitter and does not use the PPM signal internally.

There were some issues with signal strength (Futaba springs to mind) and reversed pulse polarity, but these could be resolved with simple adapters.

Nowadays, I am not so sure. I know that the latest MPX transmitters like the Cockpit SX and the ProfiTX are missing the familiar DIN socket, and I don't know if they have a replacement to allow a physical lead to be connected. I also know that they have an option for a wireless training link, named copilot. Other systems may have a similar provision, but these are most likely not compatible, since they use the brand specific transmission protocol.

Edited By Max Z on 24/06/2018 09:16:14

Thread: vinyl cutters
23/06/2018 21:21:48

++1 for the Silhouette Cameo! I printed some 5 mm high text recently, ISO font iirc. Amazing quality!

Your biggest problem will be finding the correct transfer film/tape. I experimented with masking film, scotch tape and regular paper masking tape, all with less than satisfying results. The vinyl does not stick very much to the backing paper (which is how it should be), but the main problem seems to be that the cut sort of pushes it down into the backing paper, and you have to carefully pry some letters loose with a sharp object (I use a #1 modelling knife for that) to make sure the transfer film lifts them without shifting or tearing.

Edited By Max Z on 23/06/2018 21:24:28

Thread: Pics from your free RCME plan build
08/06/2018 09:12:07

thumbs upthumbs upthumbs up

Looks terrific Trevor! And that pilot (Percy Goodfellow?)!

Nice to see I have a follower.....


Thread: 36" Tomboy Motor, Esc & Prop Selection
22/05/2018 17:52:02

I have an electrified Tomboy, and I am running it on a 2s 850 mAh lipo and a 7x4 prop. Gets me up to limit of visibility many times. Unfortunately I have lost the specs of the motor, so those stats will not mean much to you. Do plan the lipo right up against the motor to get the CofG in the correct spot, mine is standing upright ahead of the windshield. Iirc I did lengthen the nose by a small amount.

I also have a plane of similar size (see the picture below), in which I intended to use the same setup with THIS 1450 kv motor. A bit too weighty maybe, but I need the weight up front anyway since the nose is so short. As it turned out, I needed much more weight up front, so I swapped the 2s for a 1Ah 3s lipo, and reduced the propeller size to 6x5. And even then I needed about 50 g of lead in the nose, bringing the total flying weight to 465 g.

To give you an idea of the consumption, the original 2s - 1450kv - 7x4 combination drew 7A static. So allowing for some load reduction when flying, say to 6A, on a 1Ah lipo you are getting max. 10 minutes motor run. That will give you more than 1.5 hours of flying/gliding enjoyment (getting it up to the limit of visibility will need some 20 seconds), so you could reduce the size of your lipo if you do not need the weight.

Best of luck with your Tomboy,




Edited By Max Z on 22/05/2018 17:58:22

Thread: Sonny 1500 retro glider RCME April 2016
20/05/2018 18:56:48

yes Always glad to hear that Geoff!

Thread: Forum members' new models: Let's see them.
16/05/2018 19:19:48

Radio-assist free flight model for an upcoming "Dutch Old Warden" event:



It is a 150% version of Walter Musciano's PeeWee Pal from the '60s, suitably adapted to RC and sporting some design alterations of my preference.

Thread: Sonny 1500 retro glider RCME April 2016
16/05/2018 09:47:01

Hi Geoff,

Have you fixed the empennage permanently in position already? If not you could try to slit the 4x7 top and bottom members of the tail from rear to front with a sharp knife, up to where the fuselage fairing begins, bend them outwards a little to add some pva glue, and carefully reglue and clamp the straightened tail until set. If you have fixed the tail feathers permanently, you could endeavour to cut the tail at a shallow angle just in front of those (i.e. at the lowest loaded spot), slit and reglue the remaining bit of tail as above, and graft the end bit back on.


Edited By Max Z on 16/05/2018 09:49:12

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