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Atom 6HV › Compass 6HV Quality (MAIDEN UPDATE!!)
04-26-2011 09:08 PM  6 years agoPost 61
RAK402

rrElite Veteran

Alhambra, CA

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I agree with Alex on the KBDD Dampers (lubed with silicon grease). I flew the stock ones first, then upgraded to the KBDD's. The "feel" on the cyclic is ever better with the KBDD's.

Also flew it with the stock paddles, then KBDD's, the KBDD TWEE's. I liked the TWEE's the best and flew those up until the conversion to FBL.

They are smoother than the stock ones or the regular KBDD's, but slightly quicker.

Team KBDD/Compass Team Manger/Experience RC/Team JR Americas/WR Field Rep

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04-26-2011 09:31 PM  6 years agoPost 62
JOLT

rrVeteran

Baltimore, MD

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I have a question:

I got it flying perfect to how I like it. I got a couple flights in this morning and noticed white dust on the outside of the frame; right side. I am assuming this is main gear wear from the motor pinion.

I haven't experienced this before??? It is also gapped (Between main gear and motor pinion) more now then when I set it.

My question is, is the gap from the wear of the main gear or from the motor possibly walking itself back--and the main gear wearing from too big a gap.

I guess this is a which came first Chicken or the Egg type deal.

Any thoughts.....is this normal?

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04-26-2011 10:21 PM  6 years agoPost 63
RAK402

rrElite Veteran

Alhambra, CA

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Jolt,

A little dust is normal during break-in, but it should stop within a few flights.

If the gear back-lash has changed too much, move the motor slightly aft to correct for it.

I have had this happen on several of my Align ships.

You may find that you have to move the tail boom aft, after a few flights as well, as the belt limbers up (it should be run fairly loose, by the way).

Team KBDD/Compass Team Manger/Experience RC/Team JR Americas/WR Field Rep

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04-27-2011 12:05 AM  6 years agoPost 64
fenderstrat

rrProfessor

Aston,Pa

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apologize to anyone that may find my keeping this thread alive annoying
keep it open as long as you can.I have been trying to get/keep some action going over here on the Compass forum but its just plain Dead,there's not much more to say.

I bounce between here and the other site,as I would like to keep this one alive,but the other site is where all the action is.You gotta be fast over there as ALL the reps and top pilots answer all questions immediately.But its good too as there are some really great guys over there.

And I hate to say it,but "told ya so".I knew you'd love this heli.It was killing me to see the issues you were having,as most were really odd things that we as reps cant do much about.but I'm glad you stuck it out,and can finally enjoy your heli

Compass helis Support Team
PerformancePlusRC field rep
Mini Titan/SE
TEAM KBDD

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04-27-2011 01:41 AM  6 years agoPost 65
petmotel

rrKey Veteran

DeKalb, IL.

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The main and pinion don't get "lubed" from flight like the nitro birds do. I discovered this phenomenon as well when I first started flying larger electrics. I use a silicone spray on the gears every now and then to help reduce wear.

Jay

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04-27-2011 02:23 AM  6 years agoPost 66
JOLT

rrVeteran

Baltimore, MD

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Thanks again for the quick feedback. Ok, I love this bird. I am a Compass guy! I got it out and I feel great about it.

I readjusted the pinion/main gear gap. I am not going to sweat it. I have some silicone lube that I will hit the main gear with every 5 flights or so. If it turns out to be a wearable part that needs to be replaced like tires on a car, it's no big deal in my book. I have a machined main gear on the way as back up.

I got 3 more flights in this evening, and man is this thing fun. It is just crying to be smacked and the motor is crazy powerful.

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04-27-2011 02:43 AM  6 years agoPost 67
Jag72

rrProfessor

South of Boston

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6hv

I have owned a LOT of helis and I tell you...I absolutely love my flybarless 6hv

It still surprises me as to how fast this thing is...I had a good smack down flight today and dialed in 15 degrees of pitch

Talk about responsive.....

Glad to see you're having better luck with yours now jolt...you don't even want to know what I went through to get mine right...put it this way. I crashed 6 times in 7 flights...smashed 6 sets of 600mm carbon main blades in 7 flights

I feel your pain and then some...but now that it's right it flies amazing

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04-27-2011 03:31 AM  6 years agoPost 68
JOLT

rrVeteran

Baltimore, MD

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Holy Sheeit Jag...6 Crashes in 7 flights would have made me nuts. That is some true PERSISTENCE! You deserve the perfect heli after that comuppance.

I love the way it autos. I was never that great with my autos. I was very nervous with my Trex 550 (Sold by the way ). The dimensions of the 6Hv makes it incredible to auto. It is so forgiving. I can pump it as many times as I want before I settle it softly.

I cannot imagine what the 7Hv is going to be like. I was playing with some full punch outs today--go figure there is some shedding of the main gear right . It goes from 10 feet to a dot below the clouds in a blink of an eye. Sooo much fun. And it looks great doing it.

A rep told me that the flybarred version (I have) does not have quite the pop of the flybarless. That is insane that there is more to be had here. 15 degrees up and down is sick!!

This new canopy sure is purdie....think I might press the submit button on it this evening.

My poor charger has been running non stop I do have a prediction. I think this is going to be a big year for Compass Electrics. I think that more distibutors will pick these up and parts will be easier to get from more vendors.

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04-27-2011 04:36 AM  6 years agoPost 69
TheBum

rrVeteran

McKinney, TX

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It still surprises me as to how fast this thing is...I had a good smack down flight today and dialed in 15 degrees of pitch
I'll second that assessment. I flew my 6HV in a speed contest in Austin about a month ago and running my normal 1950 governed head speed and 13 degrees of collective pitch, I got it up to 88 mph. I chose to use my normal setup instead of the 2160 head speed I had set up in ST2 because I wanted to see how fast I could get it to go in a practical sense.

I was competing against 90 sized nitros and electrics and came in second. The guy who beat me was flying a 90 nitro with as much pitch as he could dial into it without it bogging. Any time he had to make a significant cyclic adjustment, it did bog. One guy commented on how thick his rotor disc looked as he flew by.

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04-27-2011 04:36 AM  6 years agoPost 70
bwerneth

rrApprentice

Eugene, Oregon

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JOLT

I have been following your thread from the start with up and down emotions. I have two Knight 3D's and one 600e and just love the Compass helicopters. I held my thoughts at the start of the thread because I didn't want to say anything that would offend before I had a chance to calm down. I had been thinking of upgrading my 600e to 12S but after following the thread I have decided to just go 6HV all the way, my only decision now is FB or FBL. I have no FBL heli's so if I go FBL it would be a new adventure for me.

Thanks for keeping with it and letting me follow the thread to a happy ending.

Taking off is optional, Landing is mandatory

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04-27-2011 07:23 PM  6 years agoPost 71
JOLT

rrVeteran

Baltimore, MD

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Admittedly, up and down emotion is true to form for my personality. It's a character flaw that I continue to work on.

At this point, I would recommend the 6Hv and highly recommend at that. Yes, it needs some sorting out and a thorough going over before flight. The RR community was a BIG HELP in my success here. Probably the biggest save for me was Hornet Dave's comment after looking over the pics of my head on page 1. I had Royaly F'ed up the head geometry and it would have been a DISASTER had I maidened it as planned the following day.

I went back to it (The head) and spent A LOT of time taking it a part to get it right. Hornet Dave reminded me of something that I already knew, but didn't realize as I was so used to a flybar cage as opposed to control arms. Thank GOD!

I would think the Flybarless version would be easier on set up and build. If I had had prior experience with FBL, I would have ordered that kit version instead. I just didn't want to experiment on a 50 sized electric with my limited budget.

There are some great upgrade bits that I am going to get for her. I ordered a "Machined" main gear to replace the molded gear that came with the kit. If and when the OEM main gear wears beyond my comfort zone, I will replace with the machined part. I could be wrong here, but I think the premium machined main gear is a bit more true and resistant to warping, and maybe a little stronger than the molded. The other thing I want, and am waiting for to come in stock, is the Aluminum tail pulley. The plastic pulley that comes in the kit is fine, but it is a little off and I can see a slight wobble. I think the metal pulley would reduce any existing vibration going on back there.

Other than that, the kit is a bargain. I have accepted the fact that I got a kit that was probably out of the ordinary when it comes to some minor defects. But the tail bearings were installed properly and I did get the upgraded landing gear. I would do it all again and have learned quite a bit in the whole ordeal.

I love the flight times. On 2 6S 3000mah 30 C lipos, I get 8 minutes putting 80% back. That is running a 75% flat TC with mild 3D. I was also a bit intimidated at first thinking it was going to be REALLY fast and twitchy. NOT AT ALL. Very stable and predictable. You must get one of these when ordering your kit (below)

It was one of the most valuable investments I made in addition to my WR Hercules Super BEC= great product.

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04-29-2011 02:44 PM  6 years agoPost 72
Alexm0324

rrApprentice

Atlanta, Georgia USA

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I hate to tell you that the machined main gear you just ordered is not for the 6HV. I did the same thing and ordered from amain. They have it listed in the wrong place. There is no machined main gear for the 6HV at this time.

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04-29-2011 10:08 PM  6 years agoPost 73
JOLT

rrVeteran

Baltimore, MD

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Yep....I figured it out about 20 minutes after I posted. I called them and they cancelled the order for me. No harm done. I did drop a new lipo last night. That sucks when you crush/dent the end from clumsiness.

I don't chance it. Lipo destroyed and bathing in salt. New one ordered to complete the set

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05-04-2011 01:15 PM  6 years agoPost 74
Rogman88

rrElite Veteran

West Monroe, LA

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It is a good practice to destroy a crumpled lipo. I will share my experience with you anyway. I've crumpled several sets of lipos and some cells that were crumpled died immediately and I also have a set that has been crumpled and still works after a year has gone by and over 100 cycles. The power is not the same but the set did and still does work. The power at this point is only good enough in my 12S setup to do hovering and FFF but was able to get many miles out of that set of turnigy 3000's.

FWIW

High Voltage just works better

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05-04-2011 01:45 PM  6 years agoPost 75
JOLT

rrVeteran

Baltimore, MD

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Yeah, it was hard to do--destroying a slightly dented lipo-- being that times are tight, but I don't like to chance it reading all of the horror stories about houses burning down.

I do have a question:

I wanted to try some KBDD tail blades. I ordered the 84.5mm yellows, but after doing some measuring (Should have done that first) I realized my stockers are 92mm I think. Do the smaller blades/with a different profile offer a better feel, or is bigger better....should I have ordered 92mm or 95mm???

Dohhh!!

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05-04-2011 02:27 PM  6 years agoPost 76
Alexm0324

rrApprentice

Atlanta, Georgia USA

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The 96mm KBDD tail blades are great. Some folks even run the KBDD 104mm tails. If you get the new 96mm ones you won't be disappointed.

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05-04-2011 04:16 PM  6 years agoPost 77
RAK402

rrElite Veteran

Alhambra, CA

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Alexm0324 is correct! (have not seen him be wrong yet-it is getting scary!)

As a KBDD flier, I have run the 92's the 92 TWEE's (stiffer material), and the 96EE's on the 6HV (also ran the stock tail blades for a while for comparison purposes).

The 96 EE's are the best I have run on the 6HV (or any of my .50/600 sized machines) to date!

The EE's are made from a stiffer material, and have a different airfoil and shape, in addition to the obvious (they are 4mm longer).

They run quieter, respond faster, hold better, and are more precise, if that helps.

Team KBDD/Compass Team Manger/Experience RC/Team JR Americas/WR Field Rep

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05-05-2011 03:54 AM  6 years agoPost 78
JOLT

rrVeteran

Baltimore, MD

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Thanks guys....for the feedback.

I was asking about the tail blade size. I ordered KBDD 84mm, but after seeing the feedback, I went ahead and ordered the KBDD 96mm EE. I look forward to giving them a try.

The stock tail blades are ok. They have an interesting blade profile with that "carving knife tip" going on at the ends. I considered carbon fibers, but I am going along with the recommended KBDD plastics---they do make a good and affordable product.

I am still using the original OEM head dampeners. I have close to 40 flights on them. I ordered some OEM replacements and will replace at 50 flights. I really think they are pretty good and no complaints, but the tail is a little iffy--again this could be due to my gryo choice Align GP 780.

While I am on wearable parts, the belt on this heli is fantastic. It is such a great belt and the dynamics of the movement from head to tail is great. For the price, this heli is a real bargain.

At this point, it is well broken in and everything from the fit of the canopy (snug at first) to the landing gear, main blades, tail assembly, and over all layout just works really well.

No more noticeable main gear wear. I am running fixed end points (no governor) and with a little adjusting on my idle 1 throttle curve (80, 77, 74, 77, 80) the head speed stays constant and the main gear has stopped shedding.

The tail was shifting (actually the whole boom) throwing the tail shaft out of alignment. I think the cause was twisting from the tail boom supports. I worked on sanding the angle of the boom support ends to relieve tension. I am hoping that it stays put. If anyone has any recommendations to keep the boom from twisting from vibration, please throw it out there. I thought of trying to pin it some how to the block to fix the position, but I am afraid of having a screw chew the belt on the inside of the boom.

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05-05-2011 06:23 AM  6 years agoPost 79
RAK402

rrElite Veteran

Alhambra, CA

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Jolt,

The tail should be completely locked in and very precise on this machine. Also very quick. I am not sure about the Align 780-I have never used one, so cannot speak to its performance.

I flew my 6HV as a flybarred machine with a Futaba GY520 for quite a while. The tail was very solid and crisp.

More recently, I have gone FBL with a Mini Blue V-Bar and the tail is even better.

I used a JR 8900G tail servo (both when the machine was flybarred and now FBL).

When you install the EE Tail Rotor Blades, be prepared to take the gyro gain down quite a bit (although do it a bit at a time). The EE's are extremely efficient and it will probably wag if the same gyro setting is used as with the stock tail rotor blades. I took the gain down and also the endpoints when I installed the EE's-it wagged a bit until I dropped the gain, and the tail was entirely too quick for an old man with the original endpoint settings.

I have never had the boom twist. On Raptors, we used to take the boom out and wrap one or two layers of tape around the boom to keep it tight in the clamp. The problem there was not twisting, but the boom moving in towards the frame, loosening the belt and effectively changing the tail pushrod length. A very short screw through the boom clamp, judiciously placed so as not to damage the belt would be a much better idea.

On the dampers, I ran the stock ones for 10 or 20 flights, then changed them out for the Lime Green KBDD TWEE Dampers. I have used these both on the flybarred and FBL heads. They give a different feel to the machine (smoother, but more positive-hard to describe as it is a "feel" thing and so very subjective). Some people prefer the Blue dampers, which are not quite as stiff. KBDD spacers are required with either.

Good luck to you sir and keep posting!

Team KBDD/Compass Team Manger/Experience RC/Team JR Americas/WR Field Rep

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05-05-2011 01:45 PM  6 years agoPost 80
JOLT

rrVeteran

Baltimore, MD

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*** Very good read. Thanks for keeping with me in sharing your experiences.

I had a chance to get some flights in early this morning. I played with loops and flips for the majority of the 4 pack sets. I had a blast. I look forward to trying the KBDD's and will definitly work with the gain to get it right. I understand what you are recommending as far the effect of the KBDD's on the gyro.

After realligning the boom and working on the boom supports, there was no noticeable twist today. I think I got two "Right" boom supports. The angle of the ends are not opposite of each other to align with the bracket. I think the sanding helped, but will keep an eye on it. I may try a small screw through the block and boom--it would prevent boom shift both laterally and back/forward (or fore and aft if you like that better).

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