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: Oracover(profilm), solarfilm & HK Film|
HK film "Bright Silver" is a very plausible bare alu imitation.
Edited By Max Z on 12/05/2018 09:10:00
|Thread: Blohm & Voss|
P212 kit HERE.
|Thread: Across the Channel in 80 minutes......|
@KiwiKid: Thanks, don't know where I went wrong embedding the vid.
@Cymaz: No, no special modifications, the Futaba PCM receiver worked perfectly. In fact we were quite amazed by the fact that we had good control on the beach (engine off) from one of our pilots who at that moment was on board the Calais-Dover ferry, still in dock some 2-2.5 km away, with all sorts of port installations and buildings between us. All with relatively ancient gear that we scraped together for the occasion! Mind you, the regular service agent in The Netherlands and Belgium for Robbe/Futaba, Multiplex and Graupner, Jan van Mouwerik (see his post above), is part of our greater team, and has checked all our gear.
Edited By Max Z on 18/04/2018 08:52:07
I compiled our pictures and videos into this short YT video:
<iframe width="560" height="315" src="https://www.youtube.com/embed/NZz3RfnAgec" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe>
Actually, on the return trip the flying time would have been about 80 minutes with the boat at full throttle most of the time, had we made it to the landing spot.
Here is a picture of the landing location in the UK, with Ernst, the pilot, and the support team from The Bloobirds, Tony, Paul and mr.X (sorry, did not get the name):
Picture by Bruno, the other half of our landing team (who did not get to fly it like we had planned it..... He still got his reward though.....):
Edited By Max Z on 10/04/2018 11:34:56
It seems I have some of the facts not quite correct. You see, I was a member of the starting team in France, and arrived in the UK after the landing there had taken place (we had contact by mobile/whatsapp), so we went straight to the meeting point, the Coastguard-on-the-bay pub at St Margaret's Bay (not St. Mary at the bay ). And the ditching took place 2.5 km from the landing point, even closer..........
And the intended landing spot in the UK was not the Bloobirds field, since we did not have enough teams and time to relay it up to there. We had to pick a suitable spot that could be reached by the "cliff team". Credit goes to that club for the support they gave us though, thank you guys.
Oh, and the flight duration was 105 minutes, not 80.......(can someone correct the title of this thread?)
Edited By Max Z on 09/04/2018 20:56:55
Edited By Max Z on 09/04/2018 20:58:20
I would like to tell you about the event I took a part in on Sunday April 8th. A group of model pilots from the Netherlands who call themselves "The First Aviators" specialise in re-enacting famous early aviation events. I reported earlier on our flight across the Simplon Pass in the Swiss Alps, this time we attempted a crossing of the English Channel, in training for the next 10-yearly celebration of Louis Blériot's famous Channel crossing in 1909 which will be held next year.
Although next year we may use the 50% scale model built by our fearless leader, Henk van Hoorn, this time we used an old converted free flight power model which we call "Olson". In the same fashion as the Swiss adventure, we planned to control Olson in relay fashion, i.e. teams of pilots would switch their transmitters on and off (Futaba 35 MHz PCM gear), coordinated by portable radio contact.
We planned to follow the plane over water with a hired sports fishing boat and skipper, carrying 3-4 pilots, and two 2-men teams on the starting and landing locations who would start the plane, relay control to the boat and land it on the other side in the same way. The whole operation had to be planned around the sailings of the Calais-Dover ferries, since it required the landing team to be on location in time, and on the other hand to give the starting team time to get to the ferry and get across as well to meet up in England, change functions to give all participants a chance to fly the plane, and do the same thing in reverse to get back to France. The whole thing had to be balanced with the endurance of the plane (which had a large tank installed with a calculated endurance of up to two hours, or so we thought...). Because of the timing constraints, the actual flying time had to be longer than would have been possible by the attainable speed of boat and plane, so the boat had to throttle way back, and the plane had to been flown in circles around the boat.
We started Olson at 10:15 on the beach of Sangatte/Blériot Plage, close to Calais. Boat and crew were waiting some 300 metres offshore, and took over the plane in minutes, after which the starting team rushed to the ferry terminal. Conditions were quite foggy, but very light winds and a calm sea. The fog caused the first hairy moment, as one of the pilots flew into a denser area and momentarily lost sight on the plane. With the help of the other pilots, one of whom immediately took over, the model came back into view and control was regained. The visibility improved steadily during the rest of the crossing, soon the English coast came into sight, and contact was made with landing team. When the boat was again some 200-300 metres off the coastline, control was handed over. We had previously made contact with the local flying club, the "MFC The Bloobirds", intending to use their field for the landing. It was not to be, as almost at the moment the plane was overhead of the landing team, the engine quit of fuel starvation (as we later found out). The ensuing forced landing was again hairy, but did only result in some minor damage to the landing gear. All in all, the first leg of the mission had been accomplished. Landing time was 11:35 approx., a duration of about 80 minutes.
As I mentioned, the plan was to complete the mission with the return flight to France. With the help of two Bloobirds members, who transported the boat crews from the boat to the meeting point (St Mary at the Bay)and back with their cars, the teams were swapped, and the plane started successfully. Control was handed to the boat team, and in the meantime the landing team was already on board the ferry back to France. All went well in excellent conditions. However, through an as yet unknown cause, the engine decided to quit, and the pilot on duty had to ditch the plane, By chance this was the same guy who landed the plane in England, and he was able to make a textbook landing right next to the boat, which by that time had been stopped. Within 5 minutes the plane was fished out of the sea and had been hauled on board. The incident happened about 1 kilometre from the coast, and about 3.5 kilometers before the landing spot would have been reached. We were nearly there.......!
Even though we were not able to complete the entire mission, we were all happy with the partial result, and celebrated a fine adventure.
A bit of video taken during the approach of the English coast:
Edited By Max Z on 09/04/2018 19:15:40
|Thread: 50 inch Sipa S-200|
I would have thought this picture gives some clues on how the back end of the fuse looks.
Hi there Steve,
I have been following your exploits with the Sipa, I love that little plane. In fact it is somewhere in my archive of "planes to be modeled sometime", but at the rate I am designing and building I probably will never get to it in this life. Shame.
Regarding the shape of the fuselage; you have most likely done much more research than me, but judging by the pictures I have found there is no evidence of a dip in the fuselage-back like you have shown, they all show a smooth transition to the rear exhaust. I would say that the the exhaust/motor mount ia a tad lower than you have designed it, and the inner portion of the wing is faired into it, either by bending down the TE or maybe even changing the root airfoil (at the boom) to a non-symmetrical one. I do realise that bringing the motor down increases the risk of prop strike at a rog takeoff.
|Thread: Hitec anyone else thinking of jumping ship|
I am on the continent, and a long time Multiplex fan (Mc3010, Royal Pro 9, Royal SX 16), but I don't see many Profi Tx's around. In fact I think there are none in my club. I am very happy with my Royal Pro, so I decided to add the Royal SX 16 (the yellow one ) to my inventory. You have to get used to the MPX way of programming if you are coming from another brand, but there is little you cannot program into the Tx. May be not if you are really going fancy, like switches operated by telemetry or composite logic switching. Telemetry is there, but without speech. I did buy it as a special offer from MPX complete with the Souffleur, but I have yet to try it.
Edited By Max Z on 29/01/2018 16:38:47
By all means, use your creativity to produce your own individual driver figure. But for those of you who want to copy my driver figure in full colour, (I admit it, I am not the greatest artist...) here is a picture:
It should not be too difficult too change colours with Photoshop or some other pixel editor if you wish to do so.
Edit: When opening the picture it may be too large. The original was created at 300 pixels/inch, so you should probably print it at 50% scale to get the original size.
Edited By Max Z on 26/01/2018 11:40:59
Good to hear Dave, let us see some pictures of the results.
End result w. Tx:
Now that it has been published in RCM&E, some info on the building sequence (not that it is very complicated, but I like creating these things in cad....):
Edited By Max Z on 18/01/2018 15:52:08
|Thread: Forum members' new models: Let's see them.|
Readers of the February '18 issue of RCM&E may recognise my new Vectorcraft:
|Thread: Turnigy Radio Sets|
+1 for the TGY-i6. I have been using and I am still using Multiplex transmitters for most of my models, but started to use the TGY for some smaller models (just in case). It has not disappointed me, and the same goes for a clubmate who bought one under the Flysky (original?) brand. Did someone mention already that Rx binding is memory specific, eliminating sending it up while on the wrong memory setting?
|Thread: MPX Cockpit SX9 Tx flap offset adjustment|
Mike, I think you are mistaken on the way the offset is achieved. Crow braking is achieved with the "Spoiler" mixing component, as opposed to "Flap", which sets the wing camber. The Spoiler component is a one way affair, meaning that full end to end travel of the relevant slider results in zero effect at one end, i.e. the servo remains in its neutral position, and 100% maximum effect at the other end, i.e. the servo moves to its end point.
Now, with the setup that I described, the servo neutral position is offset by a certain percentage, which is done with the "Offset" parameter of the "Spoiler"- mixing component. This results in an offset neutral point of the servo at one end of the slider travel, but will still keep the same endpoint of the servo as before when you move the slider to its other extreme. So if you create an offset of 50% in this way, the resulting travel of the servo will indeed be 150% when operating the "Spoiler"-slider from end to end. The remaining maximum servo travel for the other mixing components (Aileron, Flap or other) at the opposite end of the offset neutral is 50%.
Edited By Max Z on 02/01/2018 08:37:10
Mike, the basic idea is (for the Royal Pro at least, and I assume for the Cockpit also) that the servo still moves from +100% to -100%, but that the servo linkage is adjusted by resetting the servo arm at an angle such that the aileron control surface just reaches the maximum deflections as required for aileron-up and flap-down. The mid position of the control surface (at 0%) will then be downward, and you use the aileron/flap mixer offset rate to get it back in line with the wing airfoil. Do not adjust the servo travel other than minor adjustments, since that will defeat the objective of the whole thing, namely to retain maximum servo travel resolution between the two end points.
Happy New Year,
Edited By Max Z on 01/01/2018 16:27:42
|Thread: Chris's ChtiCat Racer|
NOU MOE! !
A merry Xmas,
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