Ultymate
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Everything posted by Ultymate
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A bit presumptuous you buy a few second hand models and then make assumptions about "all" IC flyers (but not knocking IC flyers of course)
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Posted by John Stainforth on 24/09/2019 00:24:04: Posted by bert baker on 23/09/2019 20:09:57: But I stand corrected. Frictional forces along the sides of the wing tubes are apparently sufficient to hold wings on, so I have been wasting my time with wing bolts. So you're the joker in the pack hey ? I never said that the friction on the wing tube was enough to hold the wings on, you firstly implied that Glen supplied just one wing bolt which was insufficient. You then said/ implied that a fast roll rate would see the wings departing to which I replied that the fast roll rate would increase said friction. I've flown several 50/60cc models where the wings are held by one wing bolt as supplied by several manufacturers and have had several of said models checked over by club safety officers and IMAC scrutineers. I also think that Glen may have a little understanding of the subject having been producing his models for a considerable time now Edited By Ultymate on 24/09/2019 08:50:44
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Posted by John Stainforth on 23/09/2019 18:25:56: I would have thought that a high rate of roll could produce a not insignificant centrifugal force on the wings. A high roll rate will also create a significant frictional load between the wing tube and it's mating tubes in the wings thus reducing any tendency for the wings to depart
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Being born in North Staffordshire I was raised on Oat cakes, had half a dozen last week along with grilled bacon and cheese, as a matter of fact as they are readily available in N. Wales which is where I now reside. For the uninitiated they are a type of savoury pancake
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Those bolts look like high tensile given the dark colour, I would suspect the prop came loose due to shrinkage of the wood. If using wooden props I would check them regularly when the prop is new and then less frequently as time goes by. A better choice is a carbon prop although I appreciate they're more expensive but their central bosses are much denser and do not compress like the wooden counterparts
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Shortage of 35% (100cc) aerobatic kits in the U.K.
Ultymate replied to Adrian Smith 1's topic in Sport, Aerobatic and 3D kits
I've dealt with bigplanes.nl , having bought a Goldwing Slick 540 (60cc) It's built very light and is extremely agile in the air and flies well on my DLE 55. Might be worth getting a quote from them as they have some 120cc versions in stock, I don't recall the carriage being too exorbitant although the pound is falling fast at the moment Edited By Ultymate on 04/09/2019 09:26:34 -
If you do some research there are several "failsafe" switches available ie should the switch fail it will fail in the on position, maybe more expensive but worth it
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Model flying photos you're proud of
Ultymate replied to David Ashby - Moderator's topic in Photography
A couple of shots from Deeside MAC's open day -
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Model flying photos you're proud of
Ultymate replied to David Ashby - Moderator's topic in Photography
Grumman F8F Bearcat -
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When glow sticks first arrived on the scene the ones for use with aero engines were short in length but then the longer ones arrived for use on ic car engines that had the much taller cylinder heads for extra cooling I used them myself when racing 1/8 ic off road cars. The manufacturers now only seem to supply the longer ones which are inclined to jump off the plug when the engine starts and can jump, lead or battery and all, into the propeller not a pleasant experience.
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Model flying photos you're proud of
Ultymate replied to David Ashby - Moderator's topic in Photography
Deeside MAC 1930's Monocoupe modelled on full size belonging to Cam Blazer owned and built by Will Bertoni Edited By Ultymate on 12/05/2019 06:17:14 -
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I would suspect poor secondary compression as already mentioned by engine doctor you say it hit terra firma hard enough to yank the plug it may have damaged a bearing seal thus losing secondary crankcase compression !!
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One advantage of living in Wales us oldies get screened at our GP's for AAA although I had to go to the hospital for a second screening as they couldn't get a clear view of my aorta because of scar tissue from a previous heart surgery at the GP's
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If you plan on having the "finger" test/examination have it after the PSA test as it can lead to raised PSA levels !
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Help please, broken plug cap
Ultymate replied to Anthony Scott 2's topic in Model Engineering and Accessories
Just Engines list replacement caps but you may have to change your spark plug to suit -
Mac's are for going out in the rain try the bus shelter Edited By Ultymate on 06/02/2019 11:04:30
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I would advise not draining the tank completely but run or drain it to a low level for the winter and then refuel for the spring when the new fuel will mix with what's left of the old the old. I'm a lucky son of a gun as I use my mower (ride on) as tractor pulling a trailer for our logs in the winter, and I also use the petrol mix for my models in my chainsaws for the winter. It's mainly a case of unleaded petrol slowly losing it's ability to vaporise over long periods Edited By Ultymate on 04/02/2019 12:28:44
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Posted by Paul Marsh on 13/01/2019 14:38:39: I have no trouble at all, having perfect eyesight. I do bomb drops and can get they in the middle of the strip. Also, practice makes perfect. One chap at our club flew his Extrawot into a tree last year, I did remind him that he was behind the tree and going to fly into it - and he did! The only problem you have is your modesty (or Lack thereof) Edited By Ultymate on 13/01/2019 15:18:42
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Your best bet is to look on You tube you're bound to find a tutorial on there
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The BMFA now host club websites !! Here's the link https://bmfa.org/Clubs/Hosted-Club-Websites
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Beat me to it E. Doctor
