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About Martin

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  1. I would assume from Evolution Models. Their website seems to be a work in progress and doesn't show it, but it does have a "sales" email address. http://evolution-models.com/ sales@evolution-models.com Personally, I am quite interested in the glider that James was talking about.
  2. I can't edit user permissions, but I can edit posts, so I've done that as the next best thing. Can you please check it to see that I've done it correctly. I'm not sure why you can't edit the post - I thought all users could edit their own posts.
  3. I have a backup of the old website CMS database that I took on 28th February last year. I checked, and the SMAS article does appear in the backup. I've managed to extract the article text and HTML formatting, have fixed some punctuation that got broken in the process, and I have this in a file on my computer. I can email it to you or anyone else, but I don't have access to the new website to put it back.
  4. Is it the 39 or the 36 that they're selling with the WOT4? When the guy from Ripmax gave a talk at a club night a couple of years ago he gave the impression that they had loads of Irvine 36s, which is why at that time they were doing a giveaway bundle price for the engine with their Jive funfly ARTF. I think these were still the UK-manufactured 36s, too. I know that it says 39 on those pages, but I just wonder if wires have got crossed somewhere. Or maybe the "39 Special Edition" is some modification of a 36! As far as I'm aware, the 39 and 53 are both pretty much impossible to get o
  5. No - this just means the pack is capable of supplying 66A if called upon to do so. Generally people will allow a bit of a safety margin when specifying ESCs and batteries. From the motor specification at https://www.emaxmodel.com/gt2826.html , the motor is quoted as drawing 51A off a 4S pack with a 14x7 APC prop, so around 60A capability for ESC and pack seems fair. Generally, people will select the pack capacity based on size and weight once the number of cells is chosen. The required C rating then comes from the motor's rated maximum current draw divided by the pack capacity - in t
  6. What does the recovery do? I assume return to vertical, but does it return to a static hover or just to a state where the only acceleration is 9.8m/s/s downwards? (That would require the ability to detect velocity/position rather than just acceleration, so I assume it's just return to vertical.)
  7. Interesting. I have an MCP-X (the old brushed version) which I bought as an upgrade from an MSR-X. (Actually, I have two, as Wheelspin were selling them so cheaply when the brushless version came out that I bought a second one to have a supply of spare parts.) How capable is the recovery mode in the new ones? With me it wouldn't be recovery from 3D, more recovery from basic flying like trying to turn without having to come to a static hover first...
  8. Ah! I had missed that in writing my post. That might explain why Hobbyking didn't have any motors matching that size and kV - I did think it seemed odd that the offered ranges (considering both kV and stated numbers of winds) were so far disjoint. Thanks for the great information. I nearly did write in my original post that you'd really be the person to ask about this! Also, your mention of "on their own site" made me check again, because I'd posted a link to emaxmotor.com which has no mention of case size being bigger! I have since found the page: https://www.emaxmodel.com/gt28
  9. A 2826/06 and a 2826/09 are both the same size, and will both look the same from the outside, but they are not equivalent motors. "2826" simply means that the motor is 28mm in diameter and 26mm in length (not including the shaft). The "/06" or "/09" refers to the number of turns of wire in the motor. This affects the "kV" rating of the motor, which is also often quoted for motors, and refers to the speed (in rpm) that the motor will turn for a particular supply voltage. Using a motor with a different kV rating may require you to change any or all of the prop size, the battery pa
  10. Do you think they deliberately put it on late in the day at that airshow so people could see the flames? The sky looks pretty dark in the video.
  11. Well, when you say "turns over perfectly", does that include still having the same feel to the compression as it did before? Merely spinning round freely with little or no compression is a very bad sign! But as you say, we can have a look at it tomorrow.
  12. Oily residue from the exhaust is normal, though obviously more than usual may indicate something wrong. If there is genuinely residue coming out somewhere other than the exhaust or a tiny amount from the front bearing, this is definitely a problem! Have a look to see exactly where it seems to be coming from, and also check that everything that should be tight is. Is the plug still tight? Is the silencer still tight? Is the cylinder head still tight? Don't force anything tighter than it should be, but do check to see if things are loose. Heavy bits attached by a couple of screws (such as silenc
  13. You've included two electric-only WOT4s on your list of possibles, but you should also know that the "normal" WOT4 ARTF also now has designed-in electric support: http://ripmax.com/Item.aspx?ItemID=A-CF ... ry=010-020 Note that the new Chris Foss ARTFs all need an "IC" or "EP" option pack, sold separately. The latest version of the WOT4 ARTF now follows this approach. I think most of the newer Seagull models also support electric as designed. It's pretty common on current ARTFs, though some do it better than others!
  14. I keep all of my fuel planes indoors, hanging engine-upwards on the wall, so any fuel/oil residue inside the engine drops to the back of the engine. There was a thread about this on the forum a couple of years ago: viewtopic.php?f=22&t=3715&p=21037 - I keep meaning to update this with photos of what I now do (using horizontal storage rails and hooks from B&Q). To avoid getting oil everywhere, I do two things: Clean the plane off with detergent at the field before putting it back in the car. I personally use "Flash" brand lemon flavour kitchen surface cleaning wipes
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