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01-12-2010 06:02 PM  8 years agoPost 1
Callum

rrApprentice

Blaby, Leicester, England

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Well, i did my first one on the Competition Today, With great success!

Second one didnt go so well, but recoverd it by flipping hold off.

But, Cor! that belt sure saps alot of the headspeed, So, ive just loosend it a bit and ile give it a whirl tommorow

Im eager to get my hands on a Torque Tube Conversion!

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01-12-2010 06:47 PM  8 years agoPost 2
jschenck

rrProfessor

La Vista, NE.

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This is a potential concern with me, auto performance on the competition. I am excited about trying out auto's with the new one-way setup with the bearing at the top - looks like it should run very free. But my concern is running the pinion so tight I wonder if this will induce some drag on the sprag. Running the belt tight is also a problem there. I am also looking forward to the TT conversion for the auto performance. I really feel the difference in the way the mechanics run on my Trex-700 and Predator with TT driven tails, much more freely. I'm hoping once the Competition starts to break in it'll run more freely than it is now.

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01-12-2010 06:59 PM  8 years agoPost 3
Callum

rrApprentice

Blaby, Leicester, England

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Yeah, The head sure aint as free as my other 50 on a TT, But thats because of the Belt no doubt, if i was to remove the belt and run the head round it will be just like my other 50,

But Shall see how it is tommorow, it should make it a bit better since now the head turns a bit more freely.

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01-12-2010 07:08 PM  8 years agoPost 4
jschenck

rrProfessor

La Vista, NE.

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I was shooting auto's with my Ultimate with the one-way locked solid. Took a 2-3 close calls before I realized that the engine hanging on was not a tuning issue

Even with the Raptor Sprag in there it was not releasing the mainshaft during the auto until I pumped the collective a bit on the way down. Suddenly released, then dump it back down to get some headspeed back and get a nice auto at the bottom, well OK auto. Still noticeably more drag than my Raptor which has the same belt drive setup. I suspect this might have something to do with the engine mount not allowing the engine/pinion to line up directly with the main gear. Strange part about that is the starter shaft runs smooth and without too much drag and the pinion is not adjustable. Just not sure if there is a really good way to free this up for me yet. I didn't spend much time on this problem last summer (bought a Trex-700 which got my focus and attention). Hope to be able to put more attention into this next season. It's my only real complaint with my Ultimate and I like shooting a lot of auto's.

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01-13-2010 01:49 AM  8 years agoPost 5
oragami

rrVeteran

Florida

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Do not Fear the Auto. This machine Auto's like no other 50 size machine. Belt or no belt, it auto's beautifully.

Please be advised though, that the weight of the blade is very important.

Align 600D Blades, Auto well.

SAB 620 Red Devils, Auto Like a 90 with heavy blades. These are my favorite blades to auto with, as I could almost count the blades, and still have enough grunt to land softly.

A Blade that is lighter than 125 is going to be "Not so friendly" to auto. The 620 SAB's are like 132, and you can hang autos into a slight wind, forever.

Hope this helps.

Now go do some Autos.

Craig

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01-13-2010 04:37 PM  8 years agoPost 6
Alexm0324

rrApprentice

Atlanta, Georgia USA

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Origami,
Do you think that SWE 630mm blades are too much for this heli?
I've been dying to try them since they fall in the same weight range as the SAB Red Devils. I'm running a modded TT53, so I have a little extra power than a straight 50 hyper or equivalent.

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01-14-2010 03:44 AM  8 years agoPost 7
oragami

rrVeteran

Florida

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Hmmm. It would be interesting. I think it will pull the blades no problem, but it will definitely load the motor a bit more. That is a lot of blade for a 50 size heli. I like the 620's, but there is a price to pay for the extra blade, But auto's are unmatched for sure, and tracking is awesome.

I think the SWE blades will fly well on the model, and would be interested to know the results. They have a narrow chord, and a different air foil, so they may work surprising well. The gear ratio is definitely there to pull them.

Keep us posted,

Craig

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01-14-2010 02:25 PM  8 years agoPost 8
jschenck

rrProfessor

La Vista, NE.

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I have flown the SWE 620's on my Ultimate, traded a flight with another guy at our field to compare them to the RotorTech 610's I had at the time. They both flew great. My only concern with the 630's is tail blade clearance. I think you'd want to check that, I suspect that the 630's will hit unless you get shorter tail blades.

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