Great video as always! I'm building the m4 max kit and quite a few things have changed for the better. The rail assembly for one is much easier. No more tiny copper washers but the recess already cut into the part.
@@westhobbiesrc8051 so far I haven't had any problems with the kit. The manual isn't as clear a the SAB ones but that's the case for most other brands lol. Only complaint this far is that they don't include any mounting hardware for a mini tail servo that doesn't have the middle mounting hole beteen the 2 tabs. But luckily I had some crews laying around. I'm gonna set it up with the new radiomaster Nexus running rotorflight I'm curious how that'll go.
If you look closely, one of the bearings inside the tail blade grip is not all the way pushed in. That's why it was tight. I would put a screw driver on the tail screw and knock it until the bearing is all the way inside.
Interesting...I see this heli uses a floating spindle in the tail assembly but the "Delta Offset" on the link connectors (from the blade arms to the pitch slider) is much more exaggerated on this little heli than even what you find on a SAB 700 Goblin or a Buddy 380 for example. Looks like 15-16 deg. (@ 17:44) About Delta...(for any interested readers) The "Delta Offset" is used because when one side of the floating spindle teeters one way or the other due to different tail thrust on the advancing and retreating tail blade it causes the pitch to change slightly on the opposite blade grip, so to even it out, the Delta offset stabilizes the blade flap in the tail rotor. Without the Delta the spindle will teeter, but without blade correction, (it may actually teeter more), all this slight unwanted pitch change in the tail blades causes an amplification of tail vibration. Delta offset of a few degrees on the tail link assembly eliminates this problem.
Yes, it does, and that is some very good information you put in there! I’ve read it all and learn something new! It is definitely a lot more aggressive compared to other models.
Great job. I’m just getting back into flying Helis after leaving the hobby for 12 years! These OMP look nice for the money, I just ordered 2 M2 evo, if I like em I will order an M4 next or a Goblin RAW 420! Thank you for these nice build videos.
Thank you! Welcome back to the hobby! The M4 is a okay build, part three and final part will be out tomorrow. I’ll be posting a video soon on if you should or should not buy the M4.;
Hello is there a trick with those little brass washer that go into tail bellcrank base they just don't fit one side will but the other is near impossible without bending stuff wtf
@@westhobbiesrc8051 thanks again for the response mate, was pulling what little hair I had left out 30 mins later finally managed to get it sorted 😀 it definitely took some finessing those Little Bushes are tiny
@@user-he8pg9zb4k welcome! Yes, it drove me nuts the first time as well. That is why I stated in the video it was a pain lol I’m glad you got it figured out.
Your tail assembly is tight because you tightened the screws before aligning everything and didn't do it afterwards, as stated in the manual. Open the 6 tail case bolts, tweak the alignment of the carbon plates until the slider falls under its own weight, then tighten as indicated in the manual.
@@Radiofrequencyrc I’m hoping to fly it this weekend. It’s been raining every day here. No flying in over two weeks. I will be doing a comparison video on both models. I’ve not flown the M4 so I don’t have a full opinion yet. My opinion will be honest!
Yes, the tail bearing in the grip was not all the way in. Reason for the tail grip being tight. Fixed now.
Couldn't do these without the visual- Thank you!
Thank you! I greatly appreciate that!
Great video as always!
I'm building the m4 max kit and quite a few things have changed for the better. The rail assembly for one is much easier. No more tiny copper washers but the recess already cut into the part.
Man! That’s great to hear. That tiny copper washer was a PITA! I’ve not built a M4 max but I’m happy to hear they improved it!n
@@westhobbiesrc8051 so far I haven't had any problems with the kit. The manual isn't as clear a the SAB ones but that's the case for most other brands lol. Only complaint this far is that they don't include any mounting hardware for a mini tail servo that doesn't have the middle mounting hole beteen the 2 tabs. But luckily I had some crews laying around. I'm gonna set it up with the new radiomaster Nexus running rotorflight I'm curious how that'll go.
Very nice Job, almost as much fun watching as doing it. Cheers 👍🏻
Thank you! I am glad you enjoyed the video!
If you look closely, one of the bearings inside the tail blade grip is not all the way pushed in. That's why it was tight. I would put a screw driver on the tail screw and knock it until the bearing is all the way inside.
I’ll take a look at that. That makes sense on why it’s tight.
Just finished one Cool little heli! thanks for the vid
That’s awesome! It looks like a very nice helicopter so far!
Interesting...I see this heli uses a floating spindle in the tail assembly but the "Delta Offset" on the link connectors (from the blade arms to the pitch slider) is much more exaggerated on this little heli than even what you find on a SAB 700 Goblin or a Buddy 380 for example. Looks like 15-16 deg. (@ 17:44)
About Delta...(for any interested readers) The "Delta Offset" is used because when one side of the floating spindle teeters one way or the other due to different tail thrust on the advancing and retreating tail blade it causes the pitch to change slightly on the opposite blade grip, so to even it out, the Delta offset stabilizes the blade flap in the tail rotor. Without the Delta the spindle will teeter, but without blade correction, (it may actually teeter more), all this slight unwanted pitch change in the tail blades causes an amplification of tail vibration. Delta offset of a few degrees on the tail link assembly eliminates this problem.
Yes, it does, and that is some very good information you put in there! I’ve read it all and learn something new! It is definitely a lot more aggressive compared to other models.
Great build video, thank you!
You’re welcome! I’m glad it was helpful!
Yes, the tail rotor assembly was very helpful!
Great job. I’m just getting back into flying Helis after leaving the hobby for 12 years! These OMP look nice for the money, I just ordered 2 M2 evo, if I like em I will order an M4 next or a Goblin RAW 420! Thank you for these nice build videos.
Thank you! Welcome back to the hobby! The M4 is a okay build, part three and final part will be out tomorrow. I’ll be posting a video soon on if you should or should not buy the M4.;
Great job.
Thank you!
I love your videos keep it up budd, from down under here👍
Thank you! I greatly appreciate it and I’m glad you enjoyed the videos!
Fantastic, not much more to say than that.
I almost done with mine 😁. Just gotta get parts that were faulty sadly
There’s been a few little issues on this kit that I’m definitely not happy about which I will go over in the overview video on it.
Hello is there a trick with those little brass washer that go into tail bellcrank base they just don't fit one side will but the other is near impossible without bending stuff wtf
Unfortunately, no, they are a massive pain in the ass! It probably took me 25 minutes to get those in there.
@@westhobbiesrc8051 thanks again for the response mate, was pulling what little hair I had left out 30 mins later finally managed to get it sorted 😀 it definitely took some finessing those Little Bushes are tiny
@@user-he8pg9zb4k welcome! Yes, it drove me nuts the first time as well. That is why I stated in the video it was a pain lol I’m glad you got it figured out.
Do you still have the 470 to do a flight comparison with?
Yes I do! RAW 420, RS4, RS4 Venom and Trex 470!
Your tail assembly is tight because you tightened the screws before aligning everything and didn't do it afterwards, as stated in the manual. Open the 6 tail case bolts, tweak the alignment of the carbon plates until the slider falls under its own weight, then tighten as indicated in the manual.
No it’s tight because one bearing in the tail grip was not all the way down. It’s fixed now and free and smooth.
Did you use red locktite on anything?
No, never! Blue is more than enough for anything on a helicopter.
When is the maiden with this M4?
As soon as I’m done building. Should be this weekend coming up. Weather prompting.
Where’s the maiden flight to the M4? What’s your opinion m4 vs Rs4 ? And please give your honest opinion
@@Radiofrequencyrc I’m hoping to fly it this weekend. It’s been raining every day here. No flying in over two weeks. I will be doing a comparison video on both models. I’ve not flown the M4 so I don’t have a full opinion yet. My opinion will be honest!
BOOM? who names these parts. what about the POW