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NextD - Rave 450 and 90 CJY Rave 450 and 90 Helicopter Kit - ND-YR-K001


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Old 05-04-2015, 09:13 PM   #61 (permalink)
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Great to hear that the maiden went fine, enjoy the heck out of it.
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Old 05-04-2015, 10:11 PM   #62 (permalink)
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Quote:
Originally Posted by PeteStewardson View Post
Good to hear she's in the air. Have to say I'm a huge fan of the standard canopy.
The standard canopy is awesome as well.
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Old 05-04-2015, 10:12 PM   #63 (permalink)
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Quote:
Originally Posted by pctomlin View Post
Great to hear that the maiden went fine, enjoy the heck out of it.
Thanks Paul
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Old 05-05-2015, 07:28 AM   #64 (permalink)
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Looking good there Ken. Sweet machine.
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Old 05-05-2015, 07:51 AM   #65 (permalink)
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Quote:
Originally Posted by Jeffwrecks View Post
Looking good there Ken. Sweet machine.
Thanks, Jeff

I just need to get thing dialled in. A few more test flights.
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Old 05-07-2015, 11:36 PM   #66 (permalink)
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I changed the pinion out to the 13 tooth tonight. Went into the BD3SX software and increased the collective travel to give me 11 degrees up and down. Lowered my throttle curves to 65, 70, and 73 for testing. According to Mel's headspeed calculator that should give me around 2000 in normal, 2180 in idle up 1 and 2200 in idle up 2. Just need to get some time to go test it.
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Old 05-08-2015, 08:17 AM   #67 (permalink)
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Ken, for Jive (not Jive Pro) you want to have target head speed as close to 60% as you can for best Gov performance.
With that motor having the grunt it does you'll get away with a little higher % and still have good rpm hold.

The Jive manual states 80% PWM but PWM does not equal Throttle in on Jive series, (except Pro) it is a sliding scale.

To find your PWM divide throttle % by two then add fifty. Looks like this:
60/2 + 50 = 80% PWM.
At your 73% you come out to 86.5% PWM so by end of flight with sagging Voltage you may tap out your available overhead and have some higher rpm drop on heavy loads.
Just lil info to consider.
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Old 05-09-2015, 10:04 PM   #68 (permalink)
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Thanks Scott. Good info.

I have to test it now with the higher pinion and see what % throttle I end up with.
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Old 05-11-2015, 08:17 PM   #69 (permalink)
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I test flew this weekend with the 13 tooth pinion and set the throttle to 65, 75, and 80. I have 2080, 2150, and 2200 RPM now.

It flew great ! It was windy but it handled like a Cadilac.
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Old 06-21-2015, 10:24 PM   #70 (permalink)
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Our fun fly this weekend so I got a lot of flights in. This is a awesome machine. Really enjoyed flying it.
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Old 12-03-2017, 10:26 PM   #71 (permalink)
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Hey guys, just rebuilding the 635. So what I am trying to figure out is how to use the lynx swash or the goblin swash. The stock balls will screw into the swash but once the ball link goes on it won’t clear. The balls that are on the stock swash are smaller than the ones for the goblin, so when I tried to get the washout arms to go on I ended up screwing them. Not sure how you are supposed to make these work. I ended up ordering another stock one in case no one could help.
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Old 12-21-2017, 07:59 PM   #72 (permalink)
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Hey Mike

I found this on a old post.

Quote: On my N I got swash separation in flight, so I have changed the swasplate by a Goblin 700 one.
After 200 flights on my Ballistic, for a peace of mind I have also decided to change it.
I have choosen to use the Lynx one. It fits perfectly and geometry is perfect.
Top and bottom parts are screwed, so can not separate in flight and 0 play.
Just need to change balls for 4.8mm one, I have used quick uk, but you can use X7 or other 4.8mm short balls.
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Old 12-21-2017, 08:05 PM   #73 (permalink)
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https://www.helifreak.com/showthread...t=Goblin+swash
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Old 12-21-2017, 08:09 PM   #74 (permalink)
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Quote: Yes it is a direct fit, 120 CCPM. Just put some 4.8mm balls, as gaui or others, because Goblin ones are bigger.
This swash plate is great, and all my friends use it now (2 + me).

More thant 100 flights (I flight pretty hard) and 0 issue, 0 play and for just 40$

What I like with the SAB swash, is upper part and bottom one are fixed with screws.
And I prefer screws than loctite.

Very good upgrade for the Rave.
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Old 12-21-2017, 08:10 PM   #75 (permalink)
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Quote: Quickuk H2031 for red ones or H2031 for black ... had to drill them out to fit the 2.5 mm swash to grip links... fits all the other links without drilling... They can be drilled out to fit up to 3mm links.
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Old 12-21-2017, 08:13 PM   #76 (permalink)
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https://www.helifreak.com/showthread...t=Goblin+swash
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