Blade cp pro Boom replacement

[mark95f]

Plastic blades flying great but heavy.
Hit boom and cracked it.
What is best way to replace boom ?

[carlo_the_wonder_frog]

I find getting the boom out with CA release takes far too long and doesn't work all that well. I ended up getting a new frame and boom, but instead of using CA, I just took 2 small servo mounting screws and screwed the boom to the frame. In the future boom replacements will be very easy to do, remove screws and pull out boom. I also have my tail motor wires taped to the outside of the boom, so I won't have to do any soldering either.

[Slick]

Lol, I just broke another tail boom today.

I have gone through quite a few lately.

I really like the idea of running the wire on the outside and taping it on. This has been my biggest hurdle since I will have to go to work to re-solder them. I will try this next time. Thanks for the tip.

Just an fyi, what I do with the tail booms is get a wrench and twist the broken boom out of the frame. This has worked for me each time. When I put the tail boom back in, I use a small amount of Medium CA then attach it to the frame. This will allow me to twist the boom out with the next break. With the Medium CA, it wont go as deep into the crevices and form a very tight bond.

I have not had a problem with the medium CA but I am also not doing FF flight yet either.

-Craig

[LITHIUMSTATIC]

I use JB Weld Quik. Works Awesome when it's time for a new tail boom. Makes getting the old one out a snap. I do FF.

[HeliDan]

I have the BCPP and a HB V4 and have changed the booms more times than I want to admit. I have found that the easiest way is to:

* De-solder the tail motor wires (remember which terminal gets which wire!)
* Pull the tail motor wires from the boom and out the frame entrance
* Remove the tail rotor and shaft etc.
* Using very beefy diagonal cutters (dikes), cut the boom where it enters the frame and the tail bracket. Cut right at the point of entrance
* Using a variable speed drill and a 13/64-inch drill bit (you may also figure which metric size is close enough as well), drill the remaining boom material from the tail bracket and the frame. Be sure to keep the RPMs down and be careful. Stop.. start.. stop.......start.....
* Run the tail wires through the frame and the new boom.
* Insert the boom into the frame, hold the heli nose down, then apply CA to the joint and let it wick into the joint
* Run the wires through the tail bracket
* Insert the tail bracket onto the new boom
* Set the heli down, on the skids, on a flat surface and view from behind. Make sure that the tail bracket (with the metal tail stand) is straight.
* Hold the heli tail down (make sure not to bump the tail bracket, and apply CA to the joint let it wick.
* Re-solder the tail motor wires
* Make sure to use new tie-wraps (zip ties) to secure the tail wires to the frame if they need be
* Reinstall the tail rotor and shaft stuff

I have unfortunately become a better V4 and BCPP mechanic than pilot. The first time I replaced a boom, it took me an hour. Now its about 10 minutes. pretty easy.......

Good luck & have fun............

:fly

[frankos72]

I too have the plasti blades. I coated my taliboom with 30 minute expoy and haven't replaced it since.

To coat the boom I put it in my drill and set it on the table. I used rubber bands to hold the drill speed at a nice slow turn. Then I applied the epoxy up and down the boom. The spinning kept it form dripping off and it hardend after a while. I kept an eye on it after my battery ran down and I had to spin it a copule times more as it looked like it was slowly sinking to the bottom. ANyway the end results are cool. I haven't flown this in a while but I just flew tonight and I really enjoyed it.

[HeliDan]

Interesting. I'll have to try that on the next boom strike. Probably be soon!

:arggg:

[Heli_harry]

Cool Idea

I just went to an aluminum boom yesterday.....

My LHS was closed so I improvised.

What started off as a $20 repair wound up being $0

Amazing what you can press into service in a pinch.

Scraps of carbon fiber rod, epoxy, heat-shrink, CA, Aluminum tube, Time, and I'm back in the air again.

Now to find some 3mm steel rod to make a new un-bendable main shaft.

I pulled the gear off an old main shaft by drilling out the shaft.
It had been straightened out many times and the hole was pretty worn.

[carlo_the_wonder_frog]

McGyver was a good role model for alot of us.