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Member postings for buster prop

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

Thread: RES-Eagle Glider RCME March 2018
23/01/2020 20:02:25

Ah yes, the spoiler. Getting it to work took some time. I made a pushrod from paper clip wire so that it could be bent to a length and shape that would completely open and shut the spoiler. At first I used a servo tester with the servo wedged between the W01 wing ribs at the centre, as in Ton’s picture and temporarily hinged the spoiler with Sellotape. Trying to get enough ‘up’ movement as well as closing the spoiler completely didn’t work so I used a longer horn on the servo. Better, but the pushrod was binding against the spar and lifting the front edge of the spoiler when closed. There’s very little room in there so I bent the wire to raise it away from the spar. Then it was binding at fully open, against the spoiler frame. Filing a small notch and moving the servo fixed that but it was buzzing at fully closed. After that I used the radio instead of a servo tester so that the servo’s movement can be adjusted for each direction at the Tx and finally got the spoiler opening and closing completely with no binding or servo-buzzing. I’m working it from the throttle stick on the Tx rather than a switch because it might be useful to have proportional control. A small Alturn servo from the spares box fits. Getting the spoiler right has probably been the most difficult part of building the RES-Eagle. It works now, closes completely and just about enough ‘up’. Flight tests will tell. You can see the completed fuselage. Getting there!img_5851.jpg

23/01/2020 16:38:56

Hi Pete. W01 and W02 ribs are recessed by about 2mm to allow the spoiler to drop into the frame. With the 2mm frame thickness they should be flush with the upper surface of the wing when retracted. The spoiler should be sanded slightly to blend in with the aero foil. It isn’t very clear on my earlier post unless you expand the picture. I’ve covered the centre section now and am trying to get the spoiler to extend and retract fully. I’ll take a picture and explain.

Thread: FrSky Major Update for most TX and RX
18/01/2020 08:03:05
Posted by GONZO on 17/01/2020 21:13:43:

Well I'm in a bit of quandary. Got an early Taranis on an early OpenTx which needs to be updated to work a multi protocol Tx plug in module, the module also needs to be brought up to the latest spec. The module has various useful protocols including LBT (required for my Meteor65 SE indoor FPV quad). Also got a new Jumper T16 running OpenTx with an internal multi protocol Tx board, both of which need updating as I seem to have a problem on set up, AETR and mode 2 selected swaps aileron and rudder on Rx outputs.. I was aiming to get them all up to the same spec before using. For all other use I only run RoW RF on FrSky not LBT. I have many D series Rx and X series Rx which I don't want to loose the use of or go through the considerable trouble of re flashing. Plus, I have 'D' TX modules for my Futaba Tx's and a spare 'X' external module for the Taranis. I need to retain compatibility throughout. I've been to the OpenTx site and read the publication dated 15/1/20 but, is the problem just with the Tx operating system, or with the RF system as well? Looks like I've chosen the wrong time to get new bits and update. I'm drowning in update options. I could just sit back and hopefully let things sort themselves out and get a clearer picture but I've got itchy fingers. As I know the Taranis etc all works I'm thinking I'll start with the Jumper T16 due to its odd channel behaviour and work on logically from there. Unless anyone has a better idea. Is there any further info and whether updating affects earlier protocols?

Reading this makes my brain hurt. Think I'll stay with Spektrum (DSMX), it just works and has been reliable. All I want to do is fly my planes, don't need all that hassle.

Thread: AR 410 Spektrum reciever
12/01/2020 17:53:54

I sorted out a throttle channel problem on my AR410. I want to use the left stick to control a glider wing spoiler rather than from a switch or flight mode. A look at the monitor screen gave me the clue, what I had to do was uninhibit the motor on the ‘Glider type’ menu and allocate it to the throttle stick. A servo plugged into the receiver works now. Ok, not specific to the AR410 just a transmitter setup which someone might find helpful.

11/01/2020 11:02:00
Posted by Nigel R on 10/01/2020 20:02:23:

Is your tx set up to use that channel? I understand some glider setups may not be.

Thanks, that might be the problem. When I created a new model on the tx I selected ‘Glider’. I’ll try binding it as an ‘Acro’.

10/01/2020 18:33:49

I have one of these receivers which I want to use in a glider. First, the servo plug orientation is moulded into the plastic next to where the servos plug into. You might need a magnifying glass to read them, I did. They are as Denis has said. Next, I was hoping to use the throttle port for spoilers (no motor) but a servo plugged into there doesn’t work from the throttle stick. Does that output only work with an ESC? If so it’s a 3 channel receiver for gliders. As this is a RES glider I’m putting the rudder servo in the aileron output to fly onthe rh stick in mode 2. Btw, don’t worry about range, I have an AR410 in an electric model, range is as far away as I can see the plane.

Thread: RES Eagle
03/01/2020 22:10:15

That’s great Phil, I hope my RES Eagle flies as well as yours, which looks good too. I’ve built the other wingtip and about to start covering it all. I’m hoping the RES Eagle is as good as the lightweight 2M gliders from Hyperflight. It’s heavier but has about the same wing loading thanks to a broader chord wing. Possibly better in typical UK windy weather. There’s another RES Eagle thread on here and I’ve put up a couple of build pictures.

Thread: RES-Eagle Glider RCME March 2018
02/01/2020 21:41:40

res eagle 2.jpg This wing centre view shows that I fitted small blocks of balsa to support the covering where the wing fixing bolts go through. The spoiler will be hinged by the covering. I've planed and sanded the trailing edge to match the rib profile. The two balsa pieces attached to the W01 ribs weren't in my kit, they came from my balsa offcuts box.res eagle 1.jpgThe outer wing tip trailing edge looks too short against the plan that comes with the kit although it does match the magazine free plan from March 2018. Luckily I have a copy which I am using to build from. Everything else seems to be ok so I think it must be a drawing error.

02/01/2020 13:21:02

Hi Andy I'm building an RES Eagle as well, from the S M C kit. I'm hoping to get on with it now Xmas is over. Yes the wire rods are too short for the tow line version. I soldered lengths of piano wire onto them and covered the join with heat shrink tube. We shouldn't have to do this, I assume that a standard 36" wire was all that S M C stock. The fin fits into two angled balsa blocks on the upper side of the tail plane which is then glued onto the fuselage. It's a straightforward build but there are one or two things to think about. If you have any more questions please ask.

Thread: Epoxy
01/01/2020 17:56:23

I’ve had mixed (no pun) results with epoxy. I have some Z-Poxy 15 minute which is quite old. Contents of the epoxy bottle had gone almost solid, I warmed it on a radiator which helped but when I mixed it with hardener and applied it to a job it never set properly. Even after 24 hours it was almost but not quite set, rubbery even. I was easily able to pull the joint apart so fixed it again with some ‘151’ 2 part epoxy from a discount shop. That worked but what a pong! I’m back to proper Araldite from Wickes which doesn’t smell and sets properly. The Z-Poxy is probably useless now although it cost me £13..

Thread: RES Eagle
23/12/2019 11:16:16

First of all, your model looks great! I am going to use transparent purple Profilm and solid white. I don’t have any transparent yellow but plenty of white left over from another build. The fin and tail plane are now covered, I understand now that you intended to angle up the wing tips, and your earlier picture showed them in the pre-bent state. I’ll put up a picture after Xmas if I can remember how to put pics onto this forum. I notice you put holes in the elevator to save tail weight, bit late for me now as it’s been covered. I did use a carbon rod joiner instead of piano wire so I hope that helps. Next job is to make another wing outer and then covering and fitting out including finding a small servo for the spoiler.

21/12/2019 20:52:08

Hi again Phil. My RES-Eagle build is coming on nicely, got the fuselage, tail, one wing tip and the centre done but not covered yet. Looking again at your part built model I notice that you didn’t add the wing tip dihedral. I did because Ton altered the design after flight testing and the plan includes the polyhedral wing. The outer spars have to be angled up at R14, Ton said that the outer wings should be built flat and the spar and l.e. cut and angled up afterwards. I didn’t think that would be easy to do accurately so I made the spars first and built the panels on. Now I have to make sure the other tip has exactly the same dihedral! Btw, SMC supplied plenty of 6mm tube and 4mm rod, which fits nicely into the tube for the wing joiners.

Thread: Phoenix model products Stage 2a slope glider
28/11/2019 20:22:03

Great! I’m a fan of Stan Yeo’s Phoenix kits. I had a Sierra 2 built from the early kit with foam cored wings. It flew very well and I eventually sold it on to make hangar space. Sometimes wish I’d kept it. Your Stage 2A looks similar, all the Phoenix slope soarers have the same look. Good luck with it and I’m sure it will fly well.

Thread: RES-Eagle Glider RCME March 2018
09/11/2019 13:04:57

Thanks for replying Ton. I’ll make positions for the tow hook to be fitted at either location then. Front 63mm for windy conditions and rear at 73mm if it’s calm. I was surprised that the present plan includes details to fit a motor, if I wanted another 2M E-Glider I’d have bought the Red Eagle kit instead.

08/11/2019 21:21:22

I have compared the two plans and the only change seems to be the tow hook position. Originally (March 2018) it was 73mm behind F03, on the kit plan it is 63mm. CG on both plans is the same, at 90mm behind the wing leading edge above F03. What difference would that make?

08/11/2019 10:53:27

I went for it - and ordered a kit from SMC which was delivered yesterday. It contains an enormous rolled plan and a lot of wood with C/F spars. Apparently the diameter of spars in the outer panels has been increased because of reported flutter when launching. Can’t do any harm for a tiny weight increase. Our club is proposing to hold a comp next summer for 2M F3-RES gliders using a standard bungee. Some others have ordered gliders from Hyperflight but I thought they seemed a bit light for UK conditions. The RES Eagle is a bit heavier than those but with about the same wing loading and a viable wing section, AG36. I also have the March 2018 article and plan which I’ve studied.

Thread: NEW POLL - do you use a throttle kill switch?
30/10/2019 17:05:01

Yes I do use a throttle safety switch. On my DX7 (G2) it's the H switch on the top right side of the transmitter just above the aileron /elevator stick if you fly mode2. I've set it up as a mix with the THRO CUT function and is on when the switch is towards me and off when away. That's so that I can hook it with my right index finger when about to launch or take off then push it back when the model lands. Easy to do on Spektrum, Taranis companion would be completely beyond me I'm afraid.

Thread: RES Eagle
22/10/2019 18:55:31

Steve, I tried bungee launching a few years ago and although I got the glider unhooked it lost quite a lot of height. Thanks for the tip about having slight up elevator for launch. With electric I have a bit of down to stop the climb being too steep as the model can power stall or even loop. I have seen skilled pilots hover the plane at the top of the towline, pointing into wind, then stretch the bungee vertically and ping the glider off gaining more height. Something to learn after a few successful launches I think.

22/10/2019 14:00:45

Phil, I’ve ordered a kit from SMC. They rang to say there will be a delay while they get 6mm carbon spars. I think the outer panels have had the spar size increased from 4mm on the original plan to 6 because of flutter problems on launch. Our club has run electric glider comp’s for the last few years and are now proposing an F3 bungee launched 2M class so I’m having a go. I’ve been a regular E competitor so I’m used to flying gliders but not experienced at bungee launching. Other people manage and It doesn’t look too difficult as long as the glider is set up properly with no warps. Your model looks good, has it flown yet?

Thread: MFA Chevron 2
21/10/2019 10:23:29

Hi John, you are a blast from the past. I knew you years ago and have sent a "friend" request. Don't want to hijack this thread.

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