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11-17-2014, 03:35 PM | #1 (permalink) |
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500XX
Edit: for anyone that doesn't want to read everything but wants to see what is needed to run 500 to 520 blades, here it is.
The final shopping list I would suggest is: 500 boom 500 belt 500 tail control rod 500 grips 153 tooth 0.7 mod main gear 15 tooth 0.7 mod pinion Total = $87 plus blades of your choice. You can leave the .5 mod gears on and try them but I think it's risky unless you just hover around. The .7 mod gears give more usable range as well. With .5, the 23t is as tall as you can go for a 9.2:1 ratio. With .7, you can use a 19t pinion for a ratio of 8:1. This is great for the guys looking for goblin head speeds. Ok to start with, there is no need to do this but I kind of want to try it so I figured I post my plan and see if any of you guys have any good input. I think I'm finally going to pull the trigger on converting the 480 to a 500XX. Here is what I intend to replace. 500 boom 500 belt 500 tail pitch rod 153t 0.7mod main gear 12t to 15t pinion What head speed range should I be looking for on a light 500? I was thinking 1600 to 2100 since my current range on 473's is 1900 to 2300. XNOVA 4020-1200kv or XNOVA 4020-1000kv? The 1200 will be good for headspeeds up to 2500rpm easily but will require really low tc's to go below 1800rpm. Could always run it at 4s for low headspeed. The 1000kv looks to be easily goverened to 1600rpm but with 15t pinion and 85% tc It looks like it's only good for 2100rpm on the high end. That may be perfect being that I usually fly at 2100rpm on 473's so this same speed on 505's should be a lot stronger. I looks like they do make a 19t pinion that could get the 1000kv motor up to high headspeeds but I would imagine that would be hard on batteries and give short flight times. Cyclone 505 mains What is the max size you can run on the 500 boom? Root is correct but do they have a bushing to use a 3mm bolt instead of 4mm? Cyclone 80 tails Would the stock tail blades hold with the longer boom? I'm looking for a tail that will be locked in at lower head speeds and high pitch. 500/550 Main Grips if needed for 505 blades Would I need the matching feathering shaft and bearings or is it the same as the 480 grips? Any other thoughts or experiences from other guys stretching a 480 or running an ultra light 500?
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Kory M2 Last edited by kpod; 11-22-2014 at 02:17 PM.. |
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11-18-2014, 03:11 PM | #2 (permalink) |
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The parts are on the way. I ended up going with the following:
500 boom 500 belt 500 tail pitch rod 153t 0.7mod main gear 13t 0.7mod pinion XNOVA 4020-1200kv motor Cyclone 505mm main blades Cyclone 95mm tail blades With this setup, I should be running about 6% slower rpm's than I'm currently running. The disc will be about 14% larger. The tail should have a lot more authority for running low head speeds. I'm probably going to try some 3300mah 4s batteries for a 1500rpm head speed. On a side note, if I have 3300mah 45c 6s batteries and I get 3300mah 45c 4s batteries, there should be no issue running these in series on my 600sx for 10s voltage should there? If that's the case, I'll have 12s, 10s, 8s, and 6s capabilities with the 600sx with the packs I'll have on hand.
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Kory M2 |
11-18-2014, 03:37 PM | #3 (permalink) |
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Interested in your results ... I might go the same route according to your feedback.
Good luck |
11-18-2014, 03:50 PM | #4 (permalink) |
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1000kv with a 12T or 13T and headspeeds between 1500 and 1700. This is from my experience with my Logo500 ultralight. You can go lower on the headspeed but at 1500 I can do any trick I want with very few exceptions. At these headspeeds, you can easily use a smaller motor. I'm running a rewound 4015-1070 on my 500 and it doesn't even come close to it's maximum continuous ratings.
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Jeti DS14us -- TT e700 -- 6s Logo600se UL -- Logo600-3d -- Logo500 UL -- Charge Case |
11-18-2014, 04:02 PM | #5 (permalink) |
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I just noticed you said 505mm blades. I'm running 550s on my 500.
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Jeti DS14us -- TT e700 -- 6s Logo600se UL -- Logo600-3d -- Logo500 UL -- Charge Case |
11-18-2014, 04:42 PM | #6 (permalink) |
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Yep, 550's are getting awful close to my 600 in size and I'm still trying to keep it a little smaller. I'd probably have kept it at 470 to 480 but got tired of waiting for cyclone or zeal to get their 480 blades out.
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Kory M2 |
11-18-2014, 05:41 PM | #7 (permalink) |
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I would give 520s a go. I would also consider switching to the Logo500 grips so you can use M4 bolts. Allegedly, everything in the head between the 480 and the 500 is the same with the exception of the bolt holes on the grips (and the headblock is shorter on the 480).
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Jeti DS14us -- TT e700 -- 6s Logo600se UL -- Logo600-3d -- Logo500 UL -- Charge Case |
11-18-2014, 06:06 PM | #8 (permalink) |
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I'll see if I can't get 500 grips added to the order. Thanks!
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Kory M2 |
11-19-2014, 07:56 AM | #9 (permalink) |
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I put some 600 sized 94mm tail blades up to the stock 480 tail last night and now I'm concerned that I'll need a larger tail. Does anyone know if the 550/600sx tail will work with the 500 20mm boom clamps that you can get for the upgraded carbon tail box? I'd like to use that tail anyway because I plan on getting the 600 canopy to match my 480 canopy then the two heli's will match.
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Kory M2 |
11-19-2014, 09:17 AM | #10 (permalink) |
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So are you saying the stock 480 tail fin is too short since you are running longer tail blades?
I can send you a Logo 500 CF tail pieces and boom clamp if that helps. |
11-19-2014, 09:55 AM | #11 (permalink) |
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The 480 tail fin is just long enough but I'd like something slightly longer for piece of mind. I was looking at getting the 20mm boom clamps for the 500 carbon fiber tail upgrade and then seeing if they would work with the neon red 600sx tail. I like the color and visability of the 600sx tail.
Can you tell me what the center of bolt to center of bolt dimension is on the 500 20mm boom clamps? Bolt to bolt on the 480 boom clamps is too small to use with the 600sx tail. There has to be a way though because the 600sx tail is listed as an upgrade for the 500. Maybe it's only for fat tail 500's with the 25mm boom. I thought about drawing/fabbing up new boom clamp for the frame of the 480 and putting a 25mm carbon fiber boom on the 480. Then I'd remove the boom braces and horizontal fin.
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Kory M2 |
11-19-2014, 10:03 AM | #12 (permalink) |
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Yeah.. fat tail 500s. My 500 is running the fat tail so I don't need boom supports. You could do the same if you just had some boom clamps for the frames.
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Jeti DS14us -- TT e700 -- 6s Logo600se UL -- Logo600-3d -- Logo500 UL -- Charge Case |
11-19-2014, 10:46 AM | #13 (permalink) |
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It shouldn't be hard to make a 25mm version of these.
https://shop.mikadousa.com/04821-Tai...480_p_753.html The holes in the frame for tightening the clamps would need to be opened up a couple mm but other than that, it should be easy. I might draw something up and see if my local machine shop can make it happen without spending a to much.
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Kory M2 |
11-19-2014, 12:41 PM | #14 (permalink) |
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Just noticed the xnova 4020 1200kv is rated at 35% more power than the scorpion 4020 1100kv that ships with the logo 500's. It looks to be capable of pulling more amps continously than my esc is capable of providing but I'm sure that number probably comes in to play on a heavier goblin 500 at higher head speeds. I've got the vbar mah meter on it so I'll keep track of what it's pulling.
The goblins this motor was probably designed for turn 2600rpm+ instead of my 2000 rpm and they are moving more weight as well.
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Kory M2 |
11-20-2014, 03:28 PM | #15 (permalink) |
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All parts are in except the new blade grips. They will be here tomorrow and it's a good thing because cyclone 505 blades do not come with bushings to use with 3mm blade bolts so it appears the mandatory parts list for the stretch is:
500 boom 500 tail control rod 500 belt 500 grips Blades TOTAL $125 Highly suggested upgrades would be the 0.7mod gears. If you go to .7 mod, you also have to either switch motors to something with a 6mm shaft or change the 4015-1070 to a 6mm shaft which would probably be custom because I can't find a 6mm scorpion shaft. TOTAL $37 not including motor or shaft Total cost with motor looks like it would be at least $350 unless you find a good used motor. I'm looking forward to seeing how the xnova motor runs. I hate hot running motors and hope this one is more efficient and cooler. I'm going to put this stuff on by tomorrow night and maiden the 500XX Saturday.
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Kory M2 |
11-20-2014, 04:08 PM | #16 (permalink) |
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I look forward to your results.I may consider doing the same.
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Lynx Team Test Pilot Heli's :, Gaui X3, Logo 480, Vbar Control |
11-20-2014, 08:53 PM | #17 (permalink) |
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Found out two things. The 95mm tail blades are definitely to long for the 480 tail fin. Second, the 13t pinion I got is for a 5mm motor so you can run the stock motor with the .7 mod gears. Now I've got to find a .7 mod pinion for a 6mm motor shaft.
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Kory M2 |
11-20-2014, 09:08 PM | #18 (permalink) |
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I don't think Mikado made any mod 0.7 6mm pinions. You'd probably have better luck stuffing a 5mm shaft into your motor.
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Jeti DS14us -- TT e700 -- 6s Logo600se UL -- Logo600-3d -- Logo500 UL -- Charge Case |
11-20-2014, 10:20 PM | #19 (permalink) |
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You are correct.
It appears the best option may be to put the regular 600 mod1 gear in with 11t pinion but then my gearing is to high for my desired hs so I'll need the xnova 1000kv motor. I wonder if heli direct will switch the motor out for me.
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Kory M2 |
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