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Old 11-26-2020, 01:26 AM   #1 (permalink)
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Default 700 Evoluzione tail blade size

Just ordered a 700 Evoluzione. What size tail blades does it use?
Also what motor are most using?
Thanks

Last edited by luckyflyer; 11-26-2020 at 01:55 AM..
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Old 11-26-2020, 01:32 AM   #2 (permalink)
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Ok tail blades are 105MM, on the hunt for a motor.

Last edited by luckyflyer; 11-26-2020 at 01:56 AM..
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Old 11-26-2020, 02:00 AM   #3 (permalink)
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Quote:
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Ok tail blades are 105MM, on the hunt for a motor.
Normally I do too, but occasionally (like right now) I found the tail didn't hold in pitch-pumps [1] so I went up to a 115mm blade and that seems to have fixed it (not for the first time)!

I haven't tried going back to 105mm tails as I've just swapped over and I haven't run enough tests nor got a decent log to examine the effect (due to various reasons). Once I get everything settled and working I might try to go back to 105mm.

Paolo

[1] I'm just a sport/mild 3D Big-Air flyer.
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Old 11-26-2020, 02:03 AM   #4 (permalink)
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Thanks for the reply, I have a spare set of Rail 106 blades I'll try first. What motor do you run? Also what pinion comes with the kit?
Thanks
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Old 11-26-2020, 03:08 AM   #5 (permalink)
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flying 115's since day one. I generally like a strong tail so I never tried anything smaller.

default should be a T20 alu V2 r2 (from manual)

Last edited by zomaar; 11-26-2020 at 03:18 AM..
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Old 11-26-2020, 12:08 PM   #6 (permalink)
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Rails 115's for me also,especially if your swinging longer than 700mm main blades.
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Old 11-26-2020, 05:05 PM   #7 (permalink)
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Quote:
Originally Posted by luckyflyer View Post
Thanks for the reply, I have a spare set of Rail 106 blades I'll try first. What motor do you run? Also what pinion comes with the kit?
Thanks
Running the old V2 Leggero default - I bought a 700X Evoluzione as a rekit for my v2 Leggero, but the central "metal" spine was retained as it was undamaged; so I have the original configuration.
XNOVA 4525YY-530kv with the stock pinion (20T as zomaar said).

HTH

Paolo
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Old 11-26-2020, 05:22 PM   #8 (permalink)
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I am using 115mm
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Old 11-27-2020, 12:06 AM   #9 (permalink)
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700X Evo. Tail ratio 4.77:1. 105mm tail blades may be best for over 2,000rpm head speeds. I fly under 2000rpm head speed. RotorTech 116 tail blades work well for me.
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Last edited by curmudgeon; 11-27-2020 at 08:04 AM.. Reason: More info
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Old 11-27-2020, 07:17 AM   #10 (permalink)
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I have never bothered with anything other than 115-116.
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Old 11-27-2020, 07:21 AM   #11 (permalink)
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For the motor anything close to 500Kv. A little higher or a little less depending on the head speed you want to run.

4525-4535 is fine. On one of my 800’s I run a 4530. Tons of power for 1900-1950rpm. So for a 700 I would lean towards a 4525 to keep weight down.

I am actually building a 700 right now with a 4035 right now. This is what we used to use back in the day. This Heli will be a light low rpm Heli though. But around 2011-2012 many 700’s used a 4035-500. Lots of power in the right hands.
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Old 11-27-2020, 11:04 AM   #12 (permalink)
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So for this build I've had to economize somewhat. For the motor I've ordered an Align MX850 which I'm told is not a bad motor. I'm not 100% sure of its physical size but should work in the Protos, I'll use 12s 4500 6s x2. Anyone else running this motor in their Protos 700 Evo?
http://grandrc.com/Electric-Motors-A...223b2d1ebb8312
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Old 11-27-2020, 11:58 AM   #13 (permalink)
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That’s a awesome motor. It has a 4535 stator. Weighs 570 grams. It has tons of power. 5,100 to 11,000 watts. I had one on my Synergy 766 and it was great.
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Old 11-27-2020, 12:01 PM   #14 (permalink)
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Yeah plenty of people use the 850mx, it's fine.

My last working MSH version Protos 700 has an old 5020-450kv scorpion which is kind of on par with a 4035 for power and weight, works fine for me at 1900 rpm head speed with VTX 697. And it's very good at lower head speeds.
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Old 11-27-2020, 12:18 PM   #15 (permalink)
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The only thing with that motor is maybe height ? I think it should fit under the Evo canopy but maybe someone could measure. But if guys are running a 4530 it should be fine. I have the 800MX 520 right now and it’s a bit shorter. The 850MX is 62.5 mm high. The Scorpion 4530 is 62mm high.
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Old 11-27-2020, 02:10 PM   #16 (permalink)
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Thanks for the replies guys. A little late to ask but I assume that the Evo 700 flies light like other Protos birds. I remember my Protos 500, light like a butterfly but it didn't crash well, lol.
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Old 11-27-2020, 03:57 PM   #17 (permalink)
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I wouldn't say that it flies "light" Just normal. It does crash way better than the 500 did. The lower frame is a crash component and will almost always need to be replaced. It absorbs a lot of the impact. If you crash somewhat regularly, it might be smart to buy an extra one on Black Friday right now. Everything else depends on how you hit.
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Old 11-27-2020, 07:11 PM   #18 (permalink)
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Thanks for that, would you happen to have the p/n for the lower frame?

Edit; I believe the p/n is MSH71225
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Old 11-29-2020, 06:04 AM   #19 (permalink)
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I never felt my 7xx protos to be particularly 'light'*, The original V2's were said to be 'heavy' when they were released. in some cases to a witch hunt level of proportions.
The revisions seemed to have remediated most of weight concerns and offcourse naming it 'leggero' fixed most of the issues. Later the 700x improved the tail etc... XLP now seems to have shaved a bit more off ( with lighter canopy etc... )

However I never felt bothered by the weight, even on the first batch V2's.
Part of the weight story must be the noodle land gear, it just looks so on the field tables , the flex is also makes the protos look 10 x heavier,
Sure my 14s 5035 canned 770 evo pig is NOT light, And on hot summer days it shifts closer to a potbellied pig

But, my protos are nice flying heli's.
I already posted about it multiple times but that 770 is so much fun to fly.

And remember: ever since the Kraken's have been released 'weight' is something your work with same guys that probably complained then are now building 4530's in kraken's. Or you get the blue/yellow one for a bit more $$.

*my 380 is light , the protos 500 is light ( it was already lightest of it class years ago )
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Last edited by zomaar; 11-29-2020 at 06:36 AM..
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Old 11-29-2020, 09:46 AM   #20 (permalink)
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Quote:
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...Part of the weight story must be the noodle land gear...
Do new kits come with that Gorilla landing gear?
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