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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: My Ultimate Biplane Build
06/10/2017 12:39:13

I must admit I'm strictly a three line tank man, I like minimum connections between clunk and carburetor, there's very strong suction on Walbro style carbs and the slightest leak on a joint will have a stream of air bubbles headed towards your engine

04/10/2017 22:19:29

This is the full size it's modelled on


04/10/2017 20:32:04

OK no probs, I'm quite a fan of Ultimates having owned several different types from a home made foamy up to a 150 cc 3W variant, here's some pictures to chew on. I've still got the big bird but it's mothballed at the moment




04/10/2017 20:02:17

Could the undercarriage not be turned through 180 degrees to give you the scale rake back as on the full size ? appreciate this could upset ground handling

Edited By Ultymate on 04/10/2017 20:02:44

Thread: Removing troublesome screws
02/10/2017 20:39:02

The chances are if they were metal output splines on the servos that loctite had been used I have used loctite and use the heated tip of a screwdriver to loosen the said loctite. You can also get screws with an allen key head. Personally nowadays I go the belt and braces route and use the Hangar 9 arms which utilise the hold down screw and pinch bolts as well

Thread: Wild Hare Edge reincarnation
29/09/2017 20:42:00
Posted by Adrian Smith 1 on 29/09/2017 20:04:50:

Cracking Rich! Looking really great. I must admit I take my props off after every session if only to protect from the humidity in the work shop and to make sure the bolts are correctly tightened when putting the props back on for a new session.

You'll end up with worn out threads on your prop driver, or worse !! unless of course you don't fly very often

Edited By Ultymate on 29/09/2017 20:43:13

29/09/2017 08:50:21

Keep an eye on your prop tightness there have been reports of prop bolts shearing due to the carbon backplate of the spinner softening with engine heat allowing the bolts to loosen slightly. In fairness most of the reports I've seen have been on engines of 120+cc. Don't shoot the messenger

Thread: Peak Models
29/09/2017 06:22:32

I've had three of their models over the last several years all 50 cc airframes and all been great no complaints still got one in the trailer now an Sbach 300 

Edited By Ultymate on 29/09/2017 06:23:28

Thread: My Ultimate Biplane Build
23/09/2017 08:52:50

Looking at your throttle setup have you never thought of using a cable to pull the throttle open and leaving the return spring to close the throttle, this way you get virtually no vibration fed back into your servo gears

Thread: Petrol motors, magneto or CDI ignition.
22/09/2017 12:46:19
Posted by Tom Sharp 2 on 22/09/2017 12:35:52:

This is beginning to sound like a another, certain radio brand v the rest thread. cool

It was always going to be as Zenoah are about the only manufacturer to have stuck with magneto ignitions although they briefly flirted with the dark side. I personally started petrol flying with a Zenoah back in the day when Adam's dog was a pup but have long since switched to the lighter and more powerful and dare I say it cheaper electronic ignition engines. The Zenoahs are beloved of the scale flyers who praise their apparent reliability .

Thread: F3a type plans
10/09/2017 01:21:26

Most of the late stuff is either ARTF or composite

Thread: Petrol first timer
02/09/2017 21:13:14

If the engines new and not been run it's far more likely to be a stuck needle than a diaphragm fault. Before doing anything else I'd prime the carb by shooting some fuel down the venturi of the carb, assuming you have ignition this should usually cause the engine to fire which as a rule will shock the needle loose without the need to strip the carb down

Thread: closed loop setup?
27/08/2017 17:11:45

Which ever works best geometrically for the model is the way I go, they will not bind when crossed if you use plastic coated trace wire from your local fishing tackle shop

Thread: EME120 tuning question
20/08/2017 15:57:23

Three bladers can be very expensive particularly if you don't get the right one first time, here's a photo of the "stllts" I made for my H9 Sukhoi I used some scrap carbon I had kicking around they lifted the model around 1.5" The look I bit tatty now but been flying since 2009



Edited By Ultymate on 20/08/2017 15:59:00

Edited By Ultymate on 20/08/2017 16:01:08

20/08/2017 15:20:04

Flying with the cowl off is a waste of time if you have cowl pressurisation issues  If you're having prop clearance issues either go to a three blade prop or extend your undercarriage legs to suit your two blade. This was a common issue on the H9 Sukhoi 100cc size 

Edited By Ultymate on 20/08/2017 15:24:38

Thread: Redundancy in larger models?
09/06/2017 16:24:22

Haven't read the full thread, but no one seems to have mentioned "failsafe switches" ie switches that should they fail do so in the "on" manner

Thread: Tuned pipes
27/04/2017 15:04:40

Try Weston UK **LINK**

Thread: My next project - in my dreams?
23/04/2017 13:47:33

Adrian I have the Edge 540 2.6 Metre on a DLE 120. I bought it Christmas previous to last as they had this colour scheme on a good offer price and for immediate delivery. Initially I put it together with a 3W140 which eventually gave me trouble hence I re-engined it with the DLE I had to shuffle the gear around as the 3W was heavier than the DLE. It gives sparkling performance on the 120 and I'm sure you'd not lose much on the 111. I haven't used a full on Powerbox just used a Powerbox Gemini which is working fine.

Thread: Thunder Tiger 35% Extra 260 Build Blog
07/04/2017 20:44:32

In my experience it's never been the Canisters that move as usually they have a barbed or etched marking on the mating surface, however if you want to go the belt and braces route you could always do both ends


Edited By Ultymate on 07/04/2017 20:45:02

07/04/2017 19:57:12

The movement of the PTFE joiners is a common issue and I think your cable and silicone tube is not the best solution, for years now I've drilled through the joiner and manifold through the gap in the spring clip and inserted a short self tapping screw with a suitable washer, and never had a problem since. Red X marks the spot where I would drill

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