View Full Version : Helifreak Exclusive - Lepton EX Video Build Series

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06-21-2006, 07:06 PM
Hi all,

This is to announce a HeliFreak exclusive!
I am starting a full Lepton EX build video series.

Here is the first segment announcing what I will be doing:
Lepton EX Build Video Series Announcement (12 Megs) (http://video.helifreak.com/?subpath=finless/lepton&filename=announce.wmv)

Hope you all enjoy it.


06-21-2006, 08:49 PM
OK I just posted the first video in my Forum.
Kit Overview. Nothing fancy just showing whats in the box.

I started a new topic in my forum for the Lepton Videos:



06-21-2006, 10:48 PM
What a fun heli to put together.
I just posted Step 1.

I think I am burning a bit to much video for just step one but let me know what ya all think? Too much detail? Should I speed things up a bit?



06-21-2006, 11:34 PM
hi, Bob...
No shakin' me!...Just started a Lepton myself!....Wonder what radio to use....?? :mrgreen:

John.(aka DrDot)

06-22-2006, 01:31 AM
I will be using my 14MZ and in fact just like Jeff will be using the 5014 G3 RX.....


06-22-2006, 02:00 AM
Just posted step 2 (step 2-1 in the manual).
I had to break it into 2 video parts or the single video would have been 100 meg!

Wow this a a very large step all in one page. I am pretty sure I covered everything and I hope this helps new people get through it!

Please let me know what you think! Too much detail etc?


06-22-2006, 04:40 AM
Looking very good Bob. Very detailed, but I think not to . Complete is a better word. Makes me want a Lepton to build along with you.

06-22-2006, 02:19 PM
OK just posted step 2-2 of the build process :)

Step 3 will be up shortly.



06-22-2006, 06:52 PM
Just posted videos for steps 3 through 9.




06-22-2006, 08:37 PM
I posted on the other link also, Steps 8 & 9 appear to actually be step 4.

06-22-2006, 08:44 PM
Fixed Gus, Bob is out to eat right now. Thank you for bringing it to Bob's attention.

06-22-2006, 11:04 PM
Thnaks for fixing the link Will.


06-23-2006, 05:50 AM
No prob Bob. Thanks for making the vids! Man they make me want a Lepton! It is fun to watch the vids even if you are not building one. It liiks like a SOLID and sweet machine!!

06-23-2006, 12:35 PM
I just posted Steps 15 & 16.
I highly reccomend disassembly of the head as I found some trouble. e.g. no grease on a thurst bearing and some screws didnt have locktite.


06-23-2006, 08:15 PM
OK just psted 17, and stpes 18 & 19.... SOme good tips for nOObs if needed I think....

So no opinions of the videos here? Too much info? too little? Maybe not enough people out there to comment?


06-23-2006, 09:37 PM
Hi Bob,

My Lepton arrived today so I will be starting the build. I've watched all of your T-Rex as well as your Lepton build videos. I think they are right on whether a person is a n00b (me) or experienced. A person can always learn something. Thanks for taking the time to produce them! George

06-23-2006, 09:48 PM
Hey George.... Welcome to the Lepton! Not trying to SELL anything but I think this will be a HOT E-heli.... As always feel free to ask questions.... We all are learning this heli right now and as any new heli now tricks, tips, and setups will be coming out fast!


06-26-2006, 02:39 PM
I think the vids are just about right, I've built a few before but I'm watching them with interest and learning a thing or two.

Supplies in the UK always seem to be a bit behind and anyway a new TX, a T-Rex SE and 4 lipo packs recently and my wallet is a bit light for a while anyway.

I'm most interested to see the lepton steps you skipped and the final motor selection/setup - must learn to be patient :cool:

Anyway, thanks for the effort you're putting, I've certainly recommended them (and Heli Freak) to my flying buddies. :noteworthy

06-26-2006, 05:00 PM
Step 22 "partial" has been posted.
It is clear if you follow the steps in the manual you may have to do some dissassembly depending ont he motor used. I am using as Hyperion 3025-10 and you will simply not get access to the motor screws with the main gear, pinion, and boom installed. Again your experience my vary depending on the motor used.


06-27-2006, 01:03 AM
Just posted a step on mounting the motor (step 33 in the book). You better do this NOW or be sorry!


06-27-2006, 11:46 AM
Thanks Bob

Excellent videos. You've given me the push to go out and order my Lepton. Can I send you my bill too :)


06-27-2006, 01:31 PM
Bob, I've been building fast enough to catch up to your videos. I got all the way to step 33 before you posted your warnings. Having said that, I had little trouble installing my Hyperion 10 turn BECAUSE of three tips in your video. Even though my boom, belt, main gear, etc. were already installed, the tip about using the kitty corner mounting holes and the widest two holes on the Hyperion allowed fairly straightforward access to each with a simple Duratrax ball tip allen driver. I did remove the right side tail belt tensioning pulley as you suggested, very straightforward. You can then drop the pinion down after loosely tightening the two motor bolts. I came through the left side frame, at a 10 degree angle or so from the front with the 1.5mm allen for one grub screw on the pinion, then used a small flat blade screwdriver from the back (remember my tail servo is installed at this point) to hold the pinion up so that it's top is flush with the main gear, then tighten the pinion grub. Then locktight the second grub, install, then locktight the first. Then it was straightforward to set gear mesh and tighten, locktiting in sequence the two motor mount bolts. Then put tail pulley tensioner back. All done without disassembly (other than tail belt tensioner) in about 3 minutes. So if anyone got Bob's last warning too late, never fear, it can still be done.

06-27-2006, 04:11 PM
Thanks FrittsLogic!

Good to hear it still can be done with the Hyperion motor.....

I will shoot more tonight and next up is servo install, then head and linkages.


06-27-2006, 05:02 PM
Just posted step 24. There is a tip about the screws holding the outer balls onto the swash plate that I think is important! They stick out the back side and can possibly pop a link.


06-27-2006, 07:33 PM
A few more steps posted.
Step 25 head linkages
Step 12 Cyclic servo installation