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e-E-Flite Blade MSR CP CX MCX 400-3D > Groundbreaking research! Use any TX! No additional cost!!!

jcrack_corn
Veteran
Location: End of Time

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Ok, empirical tests will come tomorrow....too tired to soldier right now....read on.

After seeing the replacement 4:1 units at the LHS (they have a clear case, bad idea Horizon, lol), I had the suspicion that it was a THREE in ONE unit sandwitched to a reciever....So after flying tonight i got to hacking on the stock all back 4:1 in my blade.

Well....success....there is a 6 pin header that connects the throttle and rudder receiver channels to the ESC/MIXER/GYRO that is a seperate board. The only connection between the 2 is through those 2 receiver channles so there is no doubt in my mind that you will get full functionality without even having to put a 3rd party gyro in (great weight savings). I WILL PROVE THIS TOMORROW (unless somebody beats me to it, lol).

This is also great news for those with glitching problems (likely b/c ESC too close to receiver), now you can put some distance between the two even if you want to keep the 4:1.

I had to hack up my black box but that was because I was unsure if the receiver to 3:1 connection was soldiered or what so i had to explore....you could probably just be careful and seperate them nicely with no damage to anything though.

I did check RR and the web and i have not seen this info posted so I assume it is new, if not, sorry, but I'm still excited, get to use my 8103 now (want consistency between nitro and blade).

Back of 3in1 unit (this is where it plugs into receiver)
http://studentweb.tulane.edu/~kmccoy/3in1back.jpg

Front of 3in1 unit
http://studentweb.tulane.edu/~kmccoy/3in1front.jpg

Back of reciever where 3in1 plugs in (basically just throttle and rudder servo ports, but coming out the wrong side of the PCB)
http://studentweb.tulane.edu/~kmccoy/recevback.jpg

08-06-2005 Over year old.

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jcrack_corn
Veteran
Location: End of Time

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it all works perfectly.....

the hard part is getting the radio setup correctly....will report back. so far have hovered for about 3 seconds, but the controls are VERY sensitive (rudder turned down to 25% atv's both ways i belive...throttle max is 75%), JR 8103.

When I have it flying well I will report the setup.

08-06-2005 Over year old.

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midwestpilot
Elite Veteran
Location: Crystal Lake, IL

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very interesting stuff...

keep the info coming!!!

In life there is no spacebar!

Rich Erikson AMA 6175

08-07-2005 Over year old.

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k0tbt
Senior Heliman
Location: Eagan, MN

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I can't wait to read the results. Keep up the good work, jcrack_corn.

Karl

08-07-2005 Over year old.

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Error401
Heliman
Location: Roanoke, VA

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Good work jcrack. I just pulled the Rx module and put a JR Rx in its place. I've been having collective problems ever since I did some areobatics the other weekend (it will not hold a stable hover and appeared to be glitching). I was really hoping that it was the Rx since I read this thread. Well, life couldn't be that simple. Seems that the weak esc's are the root of my problem and not the Rx.

At any rate, cutting the black case is not necessary. Take a thin knife and pry the Rx out of the case, working from the end with the pins. Once this is out, take two aileron extensions and get the jacket off of the servo side of the cable leaving the pins exposed and plug the throttle into the top socket:

I secured the plugs and the excess extension with a dab of hot glue:

Next I cut the little piece on the Rx side cover on the 4 in 1 so that the extension plugs will fit through and ran the Rx side of the extensions out of the cavity above the plugs.

Next, plug the throttle extension into (duh) the throttle and the rudder to the rudder channel and sticky tape the New Rx on top of the old 4 in 1 case.

Setting up my 10x took about 30 minutes. I found that once the CCPM was set up correctly and the pitch curves were dialed in to something reasonable, the blade flew pretty much off the board. I had to set a bit of subtrim, but the tail acted pretty much like it did with the stock radio.

Mad props to jcrack for figuring this out, and it is a very easy mod. Unfortunately for me I think the main rotor esc on my 4 in 1 is partially burnt and is not reliable throughout the throttle rance. I guess I'm just going to bite the bullet and go "seperates" on it.

401
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08-07-2005 Over year old.

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jcrack_corn
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Location: End of Time

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thanks error, I pm'd you about posting your CCPM settings for JR radios here. I have no experience with CCPM (e), so I spent all day just going by trial and error and I couldnt get quick enough response rates --> To everyone -- the problems i'm having are not a mod problem, the mod works flawlessly, I just dont know how to set up CCPM!! lol

ANd great pics error....being the first guy to do it sucks, because all i have is a pile of plastic that used to be my 4 in 1 case!!! lol.

BTW: REgarding our new "3in1" gyro ---- for newbies, remember that the gyro needs to be oriented the same as it is in the stock setup (if you plan to trash the old black case to save weight).

HMM, i wonder if Horizon Hobby is going to be pissed that we've made the 2in1 obsolete!

08-07-2005 Over year old.

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Error401
Heliman
Location: Roanoke, VA

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NP jcrack. I'm getting ready to head out to the field in a few, but I will try to post the JR settings later today or this evening.

08-07-2005 Over year old.

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k0tbt
Senior Heliman
Location: Eagan, MN

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Congrats to jcrack and error!!!!!!!!

No, I don't think Horizon will be pouting too badly about this news. After all, what's left after modification is the user supplying their own receiver -- which is great! The stock gyro is still left intact. For those that want a HH gyro, the Horizon 2-in-1 will still be the answer. This modification appears to be the ideal answer to those that want to use their own radios and can decide what type of gyro they want. They can decide to modify the 4-in-1 or go to the 2-in-1.

It's this kind of good work that allows the user to customize and modify they heli to suit their needs.

Error401 -- Yes, please post your findings and radio settings. I use a JR6102 and am completing a BCP with individual components. I, too, have no experience setting up my transmitter for CCPM, and your findings will be of great help.

08-07-2005 Over year old.

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Error401
Heliman
Location: Roanoke, VA

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JR 10X setups

Ok fellas, I found my 10X manual and did a spreadsheet with the pertinate info on what numbers I used to set up my Blade. As I stated before, the main rotor esc on mine has crapped out, but it will fly with these numbers. Also, I can only assume that these numbers will directly translate to other JR radios, but I can't gaurantee it 100%.

HTML version of the data sheet.

PDF version of the same.

ZIP archive of the Excel spreadsheet.

I would suggest getting the zip to tweak and repost since my blade isn't up to snuff, but this should get you guys in the air.

401
End of line.....

08-08-2005 Over year old.

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jcrack_corn
Veteran
Location: End of Time

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awesome, i will let you know the results....

thanks

08-08-2005 Over year old.

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Error401
Heliman
Location: Roanoke, VA

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Any luck on the programming? Was just wondering how the numbers worked on your Tx.

08-11-2005 Over year old.

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tsitalon1
Heliman
Location: Montgomery AL

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Did I miss something? How did you power your jr reciever?

James

08-23-2005 Over year old.

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Error401
Heliman
Location: Roanoke, VA

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It's powered by the gutted 4 in 1 module, same as the E-Flight Rx.

08-23-2005 Over year old.

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Ron_Osinski
Senior Heliman
Location: Russellton, PA

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JR Receiver Hack

Check out the Sept/Oct issue of Rotory. I authored the article and have been flying my BCP with AEK and JR 610UL receiver for months. It works perfectly.

It also mentions in the article to remove the old case from the JR 610 receiver. You can save more weight this way and the seperate receiver and what is left of the 4in1 fits well together with a small piece of double sided foam tape.

No soldering involved...just (2) 3" JR servo extensions, a FM 610 or 610UL receiver and you are all set.

The BCP really flies much better with a computer radio controlling it. You can use all the programming functions and set the idle/throttle much higher for more power. I run my throttle at wide open once spooled up.

Happy Flying!

__________
Best Regards,

Ron Osinski
aka - GMRO

08-23-2005 Over year old.

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tsitalon1
Heliman
Location: Montgomery AL

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This looks like a good option to get my blade back up and running then.. Thanks!

James

08-23-2005 Over year old.

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stealth916
Veteran
Location: Rocklin, CA

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I also wonder if just extending the distance between the two stock boards, with an extension cable, would solve some glitching for folks who otherwise are happy with the radio.

You could eliminate the case, and put the rx on one side of the heli and esc/gyro on the other. You could also loop the connection cable through a small 8mm or 10mm ferrite core, and perhaps really choke off any EMF coming at the Rx from the ESC board.

Of course the opposite is also possible, in that you can now use the BLADE Rx for seperates!!

Thanks to all for sharing this info !!!

08-23-2005 Over year old.

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FlyHuge
Senior Heliman
Location: Houston, Texas

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Jr9303 and blade receiver mod

Ron, can you post what to program into the JR 9303 heli radio for this mod to work best.

Also, thanks for the help at IRCHA. You did sell at least one 9303 that weekend. I should receive this week.

Regards, Doug

Cra$h’n with a Heli good time!

08-24-2005 Over year old.

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Ron_Osinski
Senior Heliman
Location: Russellton, PA

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Hi Doug,

I am flying my BCP with JR Receiver Hack with my JR 6102. I have not used my 9303 yet. I will look at the set up and program it in the 9303. I'll let you know what the numbers are once I get a chance to try it.

___________
Best Regards,

Ron Osinski
aka - GMRO

08-24-2005 Over year old.

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JETMAN
Senior Heliman
Location: WA

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Question, since your only using a couple channels on the rx, do you need a ccpm TX? I have an older 8103.

www.3dfoamy.com

08-30-2005 Over year old.

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k0tbt
Senior Heliman
Location: Eagan, MN

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Ron,

I'm also going to be using my 6102. Would you please post the settings you use in yours?

Karl

08-30-2005 Over year old.

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e-E-Flite Blade MSR CP CX MCX 400-3D > Groundbreaking research! Use any TX! No additional cost!!!

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