Trex 500 Build Videos

[cybinary]

Awsome, I love my 9303 and am looking forward to learning more about it. I know I havn't even scratched the surface on learning everything this radio can do!! =)

[Mr. Slumber]

Yeah, I'm an addict to Bobs build videos!!! :lol: The vids are again just awesome!!! Thanks Bob!!! :thumbup:

[bullaculla]

Hey Bob, dont know if you got your 5245 hitecs yet, but I checked and measured the arms that came with mine. The 2 and 4 arm wheels are too small at 13 and 14mm. The cool blue aluminum arm is 16mm at the second hole. The last hole at the end measures at 19mm. They also include a pretty cool adjustible arm with a locking ratcheted slider. So you have almost infinite adjustibilty with that arm. Hope this helps :)
http://photos.imageevent.com/bullaculla1/heli/huge/arms.jpg

[uktwin]

Good Morning Gents,
Thanks for the Vids BOB, what a valuable resource, just a quick question on the JR 9303 segment, you said right near the end that you would REBIND the RX after your set up, why? I thought the bind process was so that the RX ties its self to that particular TX so why do it again or is it just belt and braces, I'm going to get this TX when it gets to the UK so I'm interested in your experience.
Thanks again for your time and effort, I have watched most of your builds and the lessons learnt are invaluable.

regards
Kevin.

[bullaculla]

You need to rebind after setting everything up so the radio system knows where center and failsafe settings are. Whenever you make major changes to your servos, you should rebind.

[fireup]

you would REBIND the RX after your set up, why?

You want to rebind again so you can get the fail-safe at the right boot-up position. Either at negative pitch or at zero pitch. I prefer to re-bind at zero pitch. If you loose power in a brown-out condition and the receiver resets, the heli can go to zero pitch and float for a while and you may have a better chance of recovering or less damage on the crash.


Edit::lolol:lolol beat me to the punch.

[bullaculla]

Thats okay Kev, yours has more infomation :)

[uktwin]

Thanks very much for your prompt replies gents, much appreciated, its great to find a forum where there is a wealth of experienced people who will share, so many forums can be real snooty!

Thanks again.

regards
Kevin.

[Pinecone]

Two things:

You might want to try the DuBro Heavy Duty arms (standard, not long). They are nice arms, IIRC they have holes at the perfect liengths.

Second, other than the BR6000 and AR9000, the only fail safe set on binding, is the throttle position. But you do want your initial servo positions set, which are memorized at binding. Just to be sure people understand how Spektrum fail safe works.

[th3tick]

Second, other than the BR6000 and AR9000, the only fail safe set on binding, is the throttle position. But you do want your initial servo positions set, which are memorized at binding. Just to be sure people understand how Spektrum fail safe works.

Oy, I'm confused. So, unless you're using the BR6000 or the AR9000, then there's no reason to re-bind after you're done with setup?:confused:

[Finless]

Yes there is a reason to rebind even with the other RX's. As you see we have not set servo reversing or swash settings yet. Thus on power up the servos may jump to a position where they bind up. So after my next segment (coming up this AM) you should rebind again so on power up your servos go to a level 0 swash position and thus dont possibly bind up the servo arms and possibly strip a servo.

In fact just because I like to, after the gyro and tail servo get setup (gain too) even later, rebind again!

Bob

[LITHIUMSTATIC]

I feel like I've bound so much I'm running out of binding.

[Kinta]

Digital servo questions to Bob and others pros:

If the trex500 requires 16mm to 16.5mm servo arms, and only a few arms provided with the servo will fit this category, will there be an issue with getting the arms 90 degree? Or do we have to use sub-trim extensively to get it 90? Also will the 5245MG, I saw it mentioned the rotation of only 90 degree, will this give enough throws for the swash? Any info on these are greatly appreciated

Best regards,
David

[Finless]

Bottom line it doesn't matter if it is digital or not. If you cant get the servo arm 90 mechanically then you will need to use subtrim! As you can see the provided HS82 servo arms will probably not allow you to get 90 perfect on all 3 servos because there is no way to rotate them and find the best 90 position since they only have one arm. BUT for instance on my 9650's I have a 4 arm wheel and thus can probably find a 90 position.
As for the 5245MG's I dont have mine yet so until I do I cant answer the question yet.

Bob

[Kinta]

Thank you Bob for the info :). I'm eagerly waiting for your Hitec servo video...

[Finless]

Stpe 8 servo setup is up!

Enjoy.


Bob

[Pinecone]

You also want to rebind to set the initial output to the gyro so the gyro isn't seeing changes while it initializes.

Someone did a analysis of the steps and came up with 3 bindings, IIRC.

[spencer737]

Hey Bob, I noticed that while you were putting the frames togeather there were no canopy stand offs, can you put these on after the frames are togeather??? :):)

[psindrup]

Stpe 8 servo setup is up!
Bob

Hi Bob

Why don't you use servo reversing to make all tree servos to move in the right direction in the first place.
I am fully aware that the end result will be the same, but wouldn't that be more "logical"?

Thanks

Peter

[uktwin]

Hi Bob

Why don't you use servo reversing to make all tree servos to move in the right direction in the first place.
I am fully aware that the end result will be the same, but wouldn't that be more "logical"?

Thanks

Peter

Hi Bob,
I have to admit I have the same thought as Peter, your in the servo reversing menu, why not reverse the 2 going down on up pitch, this must save you messing with the swash menu, 6 of one half a dozen of the other I think, effect is the same,
Either way I know more about swash mixing than i did before. Thanks.

kevin,

[Finless]

Yep! there are several ways to achieve the same results! I am showing a way for most to get it right as fast as possible without having to explain that.

I get a PM at least once a week from someone that cant seem to get it right so this time I took the road that I know they cant miss......


Bob

[psindrup]

Yep! there are several ways to achieve the same results! I am showing a way for most to get it right as fast as possible without having to explain that.

I get a PM at least once a week from someone that cant seem to get it right so this time I took the road that I know they cant miss......
Bob

Hi again

Thanks for your reply.

My question was more, why did you choose to have all the servos go "the wrong way" in the servo reverse menu, and then correct it in the swash mixing?

Why not correct the "error" in the servo reverse?

Thanks a million.

Peter

[Finless]

Again there are several ways to get it working right.... get all 3 working together FIRST makes it easier for people to get their head around reversing vs swash menu. AND it's easier to explain......

I mean comon... WHATS the difference really? NONE..........

I have seen people screw around with reversing trying to get things going right so much that they get in a STUCK position..... When they cant get it they start moving the connections to the RX and next thing you know they are posting in a forum HELP......

I ain't saying my way is the best just showing what I know will get them there......

Remember my vids are for n00bs to follow and get it done.... You want to do it another way.... GO FOR IT!

Bob

[Bignose13]

Again there are several ways to get it working right.... get all 3 working together FIRST makes it easier for people to get their head around reversing vs swash menu. AND it's easier to explain......

I mean comon... WHATS the difference really? NONE..........

I have seen people screw around with reversing trying to get things going right so much that they get in a STUCK position..... When they cant get it they start moving the connections to the RX and next thing you know they are posting in a forum HELP......

I ain't saying my way is the best just showing what I know will get them there......

Remember my vids are for n00bs to follow and get it done.... You want to do it another way.... GO FOR IT!

Bob

Bob
You do show the easiest way
It showed me when I was learning and and you make it SOOOOO simple IMHO

[Finless]

Bob
You do show the easiest way
It showed me when I was learning and and you make it SOOOOO simple IMHO

Thanks..... If I had to show the reversing way I would use more video because I like to EXPLAIN WHY you are doing something.... If I just SHOWED YOU sure that would work too but I like to explain WHY you are doing what your doing.........

If this really is a problem for people..... Hell I could have reversed the servo connections at the RX (pitch and aileron) and that would have worked too.....

Bob