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06-01-2015 07:43 AM  4 years ago
Robert "Full" Montee

rrApprentice

Fredericksburg, Virginia

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I've flown the Helix 695 on my own 2 blade F3C TT E700 setup and I've gotten a test flight on a friends 3 blade TT E700 setup. What questions do you have?Robert "Full" Montee | Team Futaba | Team Kontronik | TellARotor RC Podcast
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06-01-2015 10:47 AM  4 years ago
trillian

rrVeteran

London, UK

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Hi Ant,

Just out of curiousity, what do the JR blades weigh?

I was surprised to find the Goblin Urukay comes with three blades that are basically the same as the SAB two blade sets, quite heavy for a three blade setup.

I think we will start seeing more choices but probably most will be targeted at 3D. I'm starting to see a few more three blade helis here.
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06-02-2015 06:13 AM  4 years ago
Antsis

rrApprentice

, Australia

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Hi Montee

I was curious to see if anyone had flown the F3C routine with them.

Hi Trillian

I cannot remember the weight. JR do not specify one on their site, but if you read the description, it looks as if they have taken the conventional two blade set and turned it into a 3 blade set. What started me thinking they may be a bit heavy was when JR released the 3 blade set for the Sylphide EX. These are 755mm blades for an 800 size model, whereas the standard F3C pair are 795mm. I have flown loads of scale multi's and it is usual to reduce the length of the blade when increasing the number. For hovering and flying sero's, they are great, but during an auto, I had a few occasions when the model would lean on landing. I thought is was just the rough grass, but the next auto was onto flat ground and this time it fell over doing a blade. Something I cannot afford at A$260.00/set. The same thing happened to a friend of mine and he went back to a conventional 2 blade head.
Ant
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06-02-2015 08:19 AM  4 years ago
Chris.C

rrVeteran

Hong Kong

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I have the JR 3 blades head and blades(720mm). If I remember correctly, per blade weight from 3 blades set is lighter than one from a 2 FAI blades set(JR made).

Autorotation is the enjoyable part of F3C flight with 3 blades head, the hovering routine is not. I am not a pro in autorotation but I guess my FBL set up is ok.

What FBL controller you are using? Mine is CGY750, besides the basic set up, my dual rates for AIL in autorotation is around 50, 50 in a 14SG.
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06-03-2015 12:41 AM  4 years ago
Antsis

rrApprentice

, Australia

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Hi Chris

I am using the TAGS01.
Ant
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06-03-2015 07:23 AM  4 years ago
Chris.C

rrVeteran

Hong Kong

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I have a TAGS01 in my JR 550 also with 3 blades head. Autorotation is normal with this little thing but the setting in my TAGS01 came from JR. I just did the basic set up.

You might have look at JR's website for TAGS01 setting in SYE12. Suggest you do if you have not.
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06-03-2015 08:15 AM  4 years ago
Antsis

rrApprentice

, Australia

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My E12 is the competition pack which came with the MB391 head and TAGS01. The parameters were preloaded into the FBL unit. The gain in hold is 50%. The model does not always tip over, maybe 1-2 times per 10 flights. However, once is enough to do a blade. Besides, I am keen to try different blades to see how the model behaves.Ant
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06-03-2015 09:20 AM  4 years ago
Krister T

rrApprentice

Sweden

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Try to lower the cyclic gain in autorotation.
A good starting point is 35% gain. That will help not tipping over
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06-15-2015 12:43 AM  4 years ago
Antsis

rrApprentice

, Australia

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Helix blades arrived and fitted to the E12. First impressions not that good. Almost a 0.5mm difference in the root thickness between the 3 blades. I had to make adjustments to 2 blades with a flat needle file to get them to fit the grips. Only other alternative would have been to modify the spacers and have them specific for each blade. Considering they come from V-blades and are Nick Maxwell's design plus the fact they cost more than my JR 720mm set, I expected better.

Had the first test yesterday in near perfect conditions. Absolutely rock solid in the hover. Had to drop the tail gain by about 15% in all FM and cyclic gain about 10% in stunt 2. Flight characteristics felt good, but had some issues with the flightpack alarm going off, so did not get to complete the schedule. I have yet to check the ESC log and also feel I could drop the stunt 2 pitch from 10 deg to 8 degrees and also want to try dropping the HS by about 100rpm.
Ant
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