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06-16-2015 10:03 PM  5 years ago
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steve 01

rrProfessor

Grand Rapids MI

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Compass models
How can it be that a simple main gear and pinion for the new compass 6hvu costs 60 bucks ! That seems a bit overpriced to me.
I have enjoyed my 6hv but with those kind of prices that heli will sit and not fly due to the prices. Come on compass control the manufacturing costs a little , till then
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06-16-2015 10:22 PM  5 years ago
RM3

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Killeen, Texas - USA

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try selling a custom frame for $145 or a pinion block for $55 made in USA out of 2024 alloy and see how long the skid marks are afterwards...showing a preference will only get you into trouble, 90% of everything is crap...
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06-17-2015 01:58 PM  5 years ago
kc8qpu

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sc

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That really sucks Steve. Your heli really flies awesome and is a joy to watch. Hopefully you will have it up and flying soon.Carpe Diem!!!
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06-19-2015 01:09 AM  5 years ago
RAK402

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Alhambra, CA

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The 6HV-U main gear is machined from Delrin and is expensive to produce. I have been flying the 6HV-U since before it was released to the public and the machined main gear is very, very tough (tougher than the ones that came with the test machines, originally).

The main gear for the 6HV-U sells for $39.99 in the U.S., the pinion for $19.99 (which does add up to $60.00, less two cents).

The main gear for the original 6HV (molded nylon) still sells for $11.49

I can, by the way, remember paying $60.00 for machined helical main gears (the main gear only, not the pinion) for the Hirobo Falcon 808 back in the mid-1980's, when $60.00 was a lot more money.
Team KBDD/Compass Team Manger/Experience RC/Team JR Americas/WR Field Rep
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06-19-2015 01:44 AM  5 years ago
steve 01

rrProfessor

Grand Rapids MI

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I have the 6hv and cannot find a main gear in stock anywhere, I assume the 6hvu is a direct fit ?
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06-19-2015 03:07 PM  5 years ago
ren

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Houston, TX

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If companies keep cuting on prices it will be not too long before all go under like MA and TT adding now Hattori....
This hobby is not that big to successfully mass produce to the point that you can pay cheap prices for good quality..
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06-19-2015 03:24 PM  5 years ago
Detroit Steve

rrApprentice

Michigan

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experience rc has one of the original main gears in stock.

http://www.experiencerc.com/store/p...roducts_id=9771
Experience RC
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06-19-2015 04:03 PM  5 years ago
RappyTappy

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Encinitas, CA

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Parts pricing really matters to the everyday guy who wants to fly. I find $39 main gears way too high because with electrics it seems like most crashes result in busting off teeth. I know I know, hit the throttle hold but who gives up saving a multi thousand dollar machine. I fly too low anyways it's usually over in a second. Anyways, with nitros main gears weren't a big deal, I went in under power for many a crash and never broke teeth off the main gear except a few rare occasions and it was from impact. It's not really a quality issue per se Imo, If there was a clutch system in use on electrics it probably would save a heck of a lot of main gears.
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06-19-2015 07:41 PM  5 years ago
Aaron29

rrProfessor

USA

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If there was a clutch system in use on electrics it probably would save a heck of a lot of main gears.
The Hirobo SDX electric has a clutch. The irony is I thought it a bit cheesy and indicative of a hack job conversion. Turns out maybe there's a benefit to it.
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06-19-2015 08:39 PM  5 years ago
RM3

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Killeen, Texas - USA

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If there was a clutch system in use on electrics it probably would save a heck of a lot of main gears.
and bring up the cost and complexity of the model as a result, hence the point of the whole thread... cost of parts.
showing a preference will only get you into trouble, 90% of everything is crap...
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06-20-2015 12:28 AM  5 years ago
Retired2011

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Lee's Summit, MO

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Yep, $40 main gear is one of the main reasons I quit flying my Synergy.Chet
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06-20-2015 12:39 AM  5 years ago
JayL

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Leesburg GA

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i like the machined main gears easier to set the back lash and dont seem to strip. on the trex I was stripping main gears at least 4 times a year with out crashing.
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06-20-2015 02:23 AM  5 years ago
Retired2011

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Lee's Summit, MO

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I stripped them the same as my Logos, and the Logo gears only cost $15...
plus the Logo flys soooo much smoother.
Chet
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06-20-2015 03:32 AM  5 years ago
Gearhead

rrMaster

Vt

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call "Stock Drive Parts" maybe they will make you the main gear

https://sdp-si.com/index.asp
Jim
Buzz Buzz Buzz
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06-20-2015 03:33 AM  5 years ago
Heli Fanatix

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Fountain Valley, CA

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You have your options: Straight or Slant

When you make an item from a mold .. it will have irregularities and CNC-ing a material after has cooled has its advantages.
- More power transmission
- Quieter operation
- Easier to mesh b/c there are no high spots.

If the CNC main gear strips ...it's either improper gear mesh or you are not quick on the TH. Either way ... 90% of the time, it's user error.

About the only thing I agree with another forum, is the "No Price Bashing" statement. We are in the most expensive and sophisticated hobby but at least we have control over what we buy and how we fly. Why fly so low when your reflex is not up to par and not 100% in control and complain about crashes? If you are quick on the deck, then you should be quick to TH as well. if you have an incident, a $40 main gear is the least of your concerns.

I fly Logo's and Goblin's. People say they are expensive to fix but flies awesome as well. I did my homework and know myself well enough and knew what I was getting myself into. I was prepared for the cost of parts. It's quite simple. How often do we take the time to go over the parts list and go over individual prices before we purchase an airframe? We are lucky to have forums to avoid retail prices for the most part.

I also have a Compass 7HV v1 and a 7HV v2. after flying Logo's .. I really like how quiet it was. I knew I would not be happy with the noise of straight cut gear but never had a problem with it stripping. I'm not an extravagant person, so I decided to offset the cost with FB main blades, plastic tail blades, don't fly low and invest in HC3-SX. The bail out alone pays for itself. but you have to train yourself to hit the bail out b/4 TH! i know some folks dont believe in bail outs but that is another episode. There are always workarounds.

The advantages of the CNC Main Gear is more than meets the eye and easily outweighs the price difference... IMHO
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06-20-2015 07:27 PM  5 years ago
dkshema

rrMaster

Cedar Rapids, IA

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Mikado pinions are about $23 a shot. I don't see a lot of complaints about them being too expensive.

Hirobo SDX main gear is about $38.
-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz
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06-20-2015 08:03 PM  5 years ago
Aaron29

rrProfessor

USA

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I've got 630 flights on my original Logo maingear with zero perceptible wear. Kinda hard for me to complain when I've never bought one!
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06-21-2015 02:11 AM  5 years ago
Noobyflyer

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Clearwater, FL

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Ironic, not too long ago RC heli enthusiasts had to make so many things on their own, including blades. Looks like it's headed back in that direction. Fun while it lasted, but only the strong innovators will be left flying anything over a 450 that's not RTF.
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06-21-2015 03:46 AM  5 years ago
Aaron29

rrProfessor

USA

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We're at a big loss relative to the plankers. They can use balsa and monokote to create just about anything. Us, not so much on the creativity. We are at the mercy of machinists to get what we need.

Unless we all start buying CNC machines and plastic molding stuff, we NEED manufacturers. And who's going to be able to manufacture a gyro? The good news is, I don't think it'll come to any of this.

The market bears the prices it can charge. If a gear is 40 bucks, it's 40 bucks unless you want to turn to cheaper brands. Which of course, happens, hence the loss of MA, etc.

The good thing is, there are a LOT of brands. Lots of people fighting for market dominance. Even if this contraction in our market leaves just one or two brands, there should be flying for the foreseeable future.

I heard 3D Hobby Shop was bought by Extreme Flight - so even the giant scale gasser planker side of the hobby has contracted. So, this isn't just about quads killing helis. It's the economy.
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06-21-2015 04:55 AM  5 years ago
Rob43

rrKey Veteran

Midland, MI USA

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I broke the one on my 7HV last season. It was after nearly three seasons of flying, and from a nauseating crash. It was basically a rekit. That larger gear was $50. Before that, I had several white molded gears on the original 6HV. Could never make one last a complete season before it simply became brittle and would strip teeth. I was delighted when the new 6HVU followed the 7HV V2 slant machined POM gear. It's incredibly durable. I just don't see how a $40 gear is so disproportionate to the overall cost of the hobby. What did it cost you to build and fly the model? Maybe ~$2000 or so? It took an unbelieveable crash to break mine. It wasn't something that ever happened before or since. I take it as part of the experience of flying 3D. I don't at all mean this to be rude, but if a person crashes often enough, and severely enough that not only is the $40 CNC main drive gear broken, but often enough that it's offensive (to say nothing of the blades and other collateral damage from a severe crash) perhaps such a person if flying beyond his/her abilities and means. I agree the Compass parts aren't cheap, but they have to recover tooling costs, and some engineering/development as well. I can't make one, let alone one that is so precise, strong, and smooth running as the Compass gear, so I accept their pricing as part of the risk of flying 3D.Rob
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