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Old 04-21-2020, 01:51 PM   #1 (permalink)
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Default Low Speed 600SX - Motor/pinion

Guys - Was thinking I'd like to try gearing my 600SX for lower speed this summer, at least on a trial basis. Have it currently setup with Jive 80HV/ Pyro 700-52 for 12S3000. Wonder how it would fly with a 6S5000 pack, and a 15t pinion. Head speed calc'r says the 15 should get me 1400 rpm. Seems like that would work. Has anyone experienced this combination? I don't know what to expect from the Pyro in this case. I've run this motor model in a 7HV before with 12S at very high throttle, and it surprised me with how much power it had. But this is almost opposite end of the spectrum in terms of application.

I also don't know what to expect for the head damping. At 2000, it's perfect, but when I've tried spinning my 600SE really slow, it shakes a good bit. Dampers are new in it, so it might smooth out after some break-in flying. I've not tried runnin the SX slowly.

Any thoughts?
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Old 04-21-2020, 03:25 PM   #2 (permalink)
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It will depend on many variables regarding to your specific setup.
When I was flying the SE low rpm, gains were at minimum values to keep the head stable.
Anyway its a nice platform for low HS, light and strong tail 😊
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Old 04-21-2020, 03:43 PM   #3 (permalink)
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I am still thinking of doing the exact same thing with my 600. I picked up a KDE 600 XF530kv motor, the 15 tooth pinion and thought I would start with 6s and if I wanted a bit higher top end I could try 7s. When I flew my TT E700 on 6s I was lucky to see high 50amp range spikes . I would think at 1400 rpm you may see 80 amp spikes tops. I run my new metal head Logo 600 at 1600 and smooth as can be and have a tri tail on it now that is working great.
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Old 04-21-2020, 09:34 PM   #4 (permalink)
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what tri-blade tail did you acquire, Dennis?
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Old 04-22-2020, 10:53 AM   #5 (permalink)
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I used the Align 550-600 tri tail. It was a very easy retrofit
THREE TAIL BLADE SET H55T005XXW
I got mine from here in Canada https://farfast.ca/
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Old 04-22-2020, 10:58 AM   #6 (permalink)
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Here are some photos of it installed.
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Old 04-22-2020, 03:08 PM   #7 (permalink)
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Your bench looks like it's a hobby shop with the pegboard back there! Sweet.

The Align tail looks nice in there. I was thinking you might have used an SAB tail. I tried looking for the former 570KSE tail bits, but didn't yet find them. (I have a 700KSE on my table right now with it's massive tri-rotors, but this calls for something lighter, I think!)
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Old 04-22-2020, 03:24 PM   #8 (permalink)
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Quote:
Originally Posted by Luigi_tuga View Post
It will depend on many variables regarding to your specific setup.
When I was flying the SE low rpm, gains were at minimum values to keep the head stable.
Anyway its a nice platform for low HS, light and strong tail 😊
Thanks for your comment, Luigi. I do like how this platform allows for so much setup variation. Originally, when I decided to seek out an SE, I wanted something that would fly similar to the Henseleit TDR's I've seen on Youtube flying at 1400. Just love the sound and behavior of a bird at that speed. Of course, the TDR has a sound all it's own...but the Logo is much more accessible for me.
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Old 04-22-2020, 03:51 PM   #9 (permalink)
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Quote:
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Your bench looks like it's a hobby shop with the pegboard back there! Sweet.

The Align tail looks nice in there. I was thinking you might have used an SAB tail. I tried looking for the former 570KSE tail bits, but didn't yet find them. (I have a 700KSE on my table right now with it's massive tri-rotors, but this calls for something lighter, I think!)
The nice thing about the Align is everything fits such as shaft size and slider block. You just have to make a ball fit ( drilled from 2mm to 2.5mm screw hole size) and I added one thin spacer between my pitch linkage and it's mount (dependent on ball height). With 3x 92mm blades it has power at lower rpm.
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Old 04-22-2020, 03:59 PM   #10 (permalink)
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Cool. That isa slick retrofit.

Do you or any of the other guys here happen to know why Mikado doesn't offer a 14t pinion?
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Old 04-22-2020, 04:46 PM   #11 (permalink)
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Quote:
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Cool. That isa slick retrofit.

Do you or any of the other guys here happen to know why Mikado doesn't offer a 14t pinion?
Nope I give up, why
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Old 04-22-2020, 05:02 PM   #12 (permalink)
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wish I had a punchline to offer
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Old 04-22-2020, 09:03 PM   #13 (permalink)
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Sorry just an unavoidable Dad joke come back
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Old 04-23-2020, 12:28 AM   #14 (permalink)
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Quote:
Originally Posted by Rob43 View Post
Cool. That isa slick retrofit.

Do you or any of the other guys here happen to know why Mikado doesn't offer a 14t pinion?
they did... i've been using it on my Logo 690SX. was the best option with my Pyro 750 410kV. then it suddenly became unavailable and disappeared. and i've sold mine with the motor

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Old 04-23-2020, 02:20 PM   #15 (permalink)
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Thanks for your comment, Luigi. I do like how this platform allows for so much setup variation. Originally, when I decided to seek out an SE, I wanted something that would fly similar to the Henseleit TDR's I've seen on Youtube flying at 1400. Just love the sound and behavior of a bird at that speed. Of course, the TDR has a sound all it's own...but the Logo is much more accessible for me.
SE is awesome for that. I was getting 900-1100 in my setup, loads of fun and long flight times
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Old 04-24-2020, 03:04 PM   #16 (permalink)
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Suits my aging reflexes and vision too...
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Old 04-24-2020, 04:23 PM   #17 (permalink)
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Quote:
Originally Posted by Rob43 View Post
Guys - Was thinking I'd like to try gearing my 600SX for lower speed this summer, at least on a trial basis. Have it currently setup with Jive 80HV/ Pyro 700-52 for 12S3000. Wonder how it would fly with a 6S5000 pack, and a 15t pinion. Head speed calc'r says the 15 should get me 1400 rpm. Seems like that would work. Has anyone experienced this combination? I don't know what to expect from the Pyro in this case. I've run this motor model in a 7HV before with 12S at very high throttle, and it surprised me with how much power it had. But this is almost opposite end of the spectrum in terms of application.

I also don't know what to expect for the head damping. At 2000, it's perfect, but when I've tried spinning my 600SE really slow, it shakes a good bit. Dampers are new in it, so it might smooth out after some break-in flying. I've not tried runnin the SX slowly.

Any thoughts?

So this past weekend I tried this setup 120 helijive kont 700-450 12 tooth 6s 3700.
With the esc wide open got just over 1100 on the vcontrol. I liked it a lot but the tail was not holding in some situations.. The esc was ice cold after 8min motor was only warm to touch.

Weak tail? 96mm on there now i can try some106... More rpm needed?
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Old 04-24-2020, 04:33 PM   #18 (permalink)
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3700 6s on 600 is quite light.
On the 600 se i tried once a 3300 6s... Sooooo light 😁😁😂
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Old 04-27-2020, 01:46 PM   #19 (permalink)
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I've flown mine at 1400 with a 6s. I believe I had a 14t at the time with my trusty Quantum 560kv. I ran it with a Pulse 5k 6s. It was fun, but you have to adjust. I fly low a lot, and it wasn't good for that. But for big air stuff, transitions, and so on, it was good. Autos were great. All I did is put 105s on the tail, it was fine, even in funnels.

I usually fly mine at 1750 so 1400 isn't too far. But it felt much lazier.
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Old 04-28-2020, 01:00 PM   #20 (permalink)
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Thanks for the dialog guys. I think I am going to trial the 6S setup on my SE rather than the SX. I received the Turnigy 6S5000 40C yesterday. I was surprised to find it is 50g lighter than the advertised weight. Came in at 753g. This compares to my 12S3700 Dinogy pack which I normally run which weighs 458g more. Now also waiting for the Scorpion HKIII 4035-560 motor to arrive. I've flown most of my models at low speeds on their 12S packs in the past, so am pretty attuned to the response of low speed. Sort of dig how smoothly they move about.
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