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Member postings for Ultymate

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

Thread: Pilot RC Sbach 100cc
16/10/2019 20:16:48

Purely a matter of taste, but I always whenever possible use a cable between the throttle servo and the carb and rely on the throttle spring to close the throttle. This greatly reduces the amount of vibration being fed directly into the servo

Thread: Model flying photos you're proud of
10/10/2019 10:10:51

Bell 47 belonging to Roger Salmon of Deeside MAC


09/10/2019 20:03:24

A Great Lakes Special





Edited By Ultymate on 09/10/2019 20:06:18

04/10/2019 08:34:32

Two more of the Grumman F8F Bearcat built owned and flown by Ron Sweeney of Deeside MAC



Thread: Prop balance query
30/09/2019 20:42:28

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) frown

Thread: Glenns models cap 232
24/09/2019 08:48:55
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

23/09/2019 19:56:56
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

Thread: Ashbourne 2019
12/09/2019 06:10:36

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

Thread: Check and tighten those prop bolts!
06/09/2019 19:40:14

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

Thread: Shortage of 35% (100cc) aerobatic kits in the U.K.
04/09/2019 09:25:56

I've dealt with , 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

Thread: Where to get Good RX switches from?
28/07/2019 08:56:25

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

Thread: Model flying photos you're proud of
24/07/2019 20:05:28

A couple of shots from Deeside MAC's open day



17/07/2019 12:27:04

Grumman F8F Bearcat


Thread: Glow Sticks
11/06/2019 08:47:39

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.

Thread: Model flying photos you're proud of
12/05/2019 06:15:23

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

Thread: Zenoah 38 conundrum
16/04/2019 11:39:40

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 !!

Thread: Prostate Cancer
14/04/2019 06:27:53

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

07/04/2019 17:23:27

If you plan on having the "finger" test/examination have it after the PSA test as it can lead to raised PSA levels !

Thread: Help please, broken plug cap
04/04/2019 15:08:41

Just Engines list replacement caps but you may have to change your spark plug to suit

Thread: Uploading from camera chip
06/02/2019 11:03:54

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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