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HomeAircraftHelicopterClubs and Associations › Rockland County Remote Control Club
09-05-2013 10:39 PM  5 years agoPost 12241
Nycatt

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New York

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I just found out and can not post because we don't know if the family knows yet. This is terrible.




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09-05-2013 10:41 PM  5 years agoPost 12242
new guy Rich

rrKey Veteran

Westchester, NY

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Saul
Skookum emailed with possible solution and failed. I also have come to notice the tail port of the unit is dead. Thought it was the servo but swapped ports and the servo is fine. could be due to the set up not complete but the tail is part of initial setup already done.
The values do read for the gyro. Junk sucks for me getting a bad unit.
To be continued.

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09-05-2013 10:42 PM  5 years agoPost 12243
Scott1115

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Greenwich, CT

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That is horrible.

Compass 7HV, Trex 550E
RCRCC

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09-05-2013 10:53 PM  5 years agoPost 12244
new guy Rich

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Westchester, NY

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Found this info on another site, I am sure that given this is the second RC heli death in months everyones safety will become hightened. Im buying goalie equipment or a bomb suit which ever is cheaper LOL 1 yr old below

We should all know the risks. If it is proven to be statisctically unsafe - hell, I don't care if I'm the pilot or not - I will increase my own safety (e.g. fly from within a netted area). But I havent hurt myself or anyone else yet - so...what are my chances...?

Has anyone done a statitical analysis?

I've done some Google research (10 pages deep, on multiple death/injury/deceased/killed type search pattern), and there have been some horrific deaths by RC Helis, and some well publicised shocking injuries. Notably, most deaths have been at events or proper fields. I have not looked at RC Planes (though I know there have been several of those too, Budapest, England etc).

Deaths (from anyone including public, pilot, instructor, spectator)
Date Country/City Flying Place "Name"Spectator/Public Link
3/Nov/2003 Houston Tom Bass Park "Ron Kyle" Instructor of pilot
http://www.rcgroups.com/forums/showthread.php?t=165680
21/Mar/2004 Israel ??? "Boy" Spectator
http://www.rcuniverse.com/forum/heli...1645937/tm.htm
1/Apr/2005 Chinhae Korea School demo "8yr girl" Spectator (demo)https://rc.runryder.com/t169336p1/
19/Aug/2008 Brazil Pernambuco demonstration "Newton da Silva" Spectator http://www.gmanetwork.com/news/stor...child-in-brazil

Serious Injuries (non pilot only - as we/they accept the risk)
Date Country/City Flying Place "Name"Spectator/Public Link
6/Feb/2009 Hong Kong Park "Lo Kwok-Wah" Public
http://www.switched.com/2009/02/06/...-rc-helicopter/
11/Jul/2009 Chicago Russell Military Museum "Agnieszka Wlodek " Spectator
http://www.suntimes.com/news/metro/4...-accident.html
21/Apr/2010 Florida Gadsden Park - Tampa Bay "Maresa Poole" Public
http://www.myfoxtampabay.com/dpp/ne...licopter-042010
19/May/2010 UK? Warrington/Private land? "Stel?" Spectator
http://www.youtube ... cUebBDxa-6U
6/Jul/2011 Phillipines, USA 3Dx Event"Derrick Threatt"Official
http://www.*******************/categ...lippines-2011/
4/Sep/2012 Haverhill, USA Backyard "Scott Proposki & Friend" Private
http://www.eagletribune.com/haverhil...opter-accident

Summary so far..
4 deaths in last 7 years. 1 death at RC field, 2 at RC shows, 1 unknown in Brazil.1 school demo. (0 deaths in public parks, 5 deaths at feilds or events)
6 significant injuries (reported in media - not forums). 2 in public parks, 1 backyard, 3 events.

So - how lethal is our hobby?

Analysis (please confirm my figures - I'm an engineer by trade - not a maths teacher).
Propose around the world, 5000 helis flights per day worldwide. 365 days per year, 9 year span of data. 4 tragic deaths in those 9 years. I 'estimate' 5000 RC heli flights worldwide per day would be conservative.
5000 flights could equal 1000 people flying 5 battery packs (worldwide) per day. Aerages out - weekends would likely be more.

5000flights x 365days x 9yrs = 16,425,000 flights per nine years.
4 deaths in 9 years = 16,425,000 / 4 = 4,106,240
chance of being killed by RC heli on above data = 1 chance in 4,106,240

For comparison - other death statistics
http://en.wikipedia.org/wiki/Lightning_strike
Ligthning - chance of being killed per year = ~24,000dths in ~6,973,738,433pop
or 1 on 290,000 (in world) per year.
In the USA, chance of lightning death = 1 in 1,000,000 (must be safer) per year.
http://www.planecrashinfo.com/cause.htm
Chance of being killed on an airline flight = 1 in 29.4 million (best) or 1 in 1.7million (worst)

On this stats, looks like our flyers are doing things safely re deaths in parks.

Notably, no deaths in last 4+ years (likely safety improvements at demonstrations).

Re public injuries - same data applies, again, public more at risk with lightning.

(Note - I have had our house hit by lightning - awesome explosion from fuseboard, huge noise - so I'm safe now ).

Note - my stats maths might be wrong.

If anyone knows of other deaths and/or injuries (to non pilots) then please post below with link to the incident (no link then it cannot be counted as needs to be verified). Re injuries, they need to be from 250+ size helis (don't think a bruised pinky from an mCPx will hit headlines).

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09-05-2013 11:20 PM  5 years agoPost 12245
REDNOSERAPTOR

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NEW YORK

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Rich Sorry to hear, sound like a bad unit, that's unfortunate because it is a nice flybarless unit everyone I know that has it loves it!

Saul.

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09-05-2013 11:29 PM  5 years agoPost 12246
skybob

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Park Ridge NJ USA

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Thats very sad to hear

Team Boobie

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09-06-2013 01:27 AM  5 years agoPost 12247
new guy Rich

rrKey Veteran

Westchester, NY

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Saul
Skookum is shipping new unit. Should be out next few days

Official "Team Boobie Member" Nitro Rules sponsored by Visa, Mastercard and AMEX

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09-06-2013 01:49 AM  5 years agoPost 12248
REDNOSERAPTOR

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NEW YORK

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@Rich Glad to hear that they are resolving it for you.

Saul

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09-06-2013 02:35 AM  5 years agoPost 12249
tweaker433

rrApprentice

White Plains, N.Y.

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Hey Guys,
just catching up on all the post. Then i came across the story of that poor guy killed by his own Heli. Man, that just hurt my soul. My prayers go out to his family.
im sure this will be a topic at our next meeting. Lets all try to be safe, and respect the flight line at the field. this is a terrible reminder of the powerful toys we play with.

Nitro Rules but 4s Lipo's are fun too!

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09-06-2013 02:52 AM  5 years agoPost 12250
new guy Rich

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Westchester, NY

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+1

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09-06-2013 12:22 PM  5 years agoPost 12251
FlightFeather

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Magnolia, Delaware

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It's really sad. My sympathy to his family.

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09-06-2013 01:59 PM  5 years agoPost 12252
skybob

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Park Ridge NJ USA

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It was front page on the daily news and ny post , i cant stop thinking about this

Team Boobie

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09-06-2013 02:13 PM  5 years agoPost 12253
eddiscus

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Dumont, NJ-USA

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I know Bob.
It was on the news again this morning as I was getting ready for work. I never had a chance to get to know him but from what I saw he was a nice young man who was an excellent ambassador to the hobby. I enjoyed watching him fly like many other young pilots, he was highly skilled. It is a sad time in our small community.

Logo Xxtreme 800
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Synergy 766
TDR 2

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09-06-2013 11:44 PM  5 years agoPost 12254
new guy Rich

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Westchester, NY

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Nitro guys
Do i plug the silicone pressure tube into the muffler or engine? Hatori muffler, os 105 hz-r (tattoo artist made me do it and Al said the fuel is cheaper), the hatori has a port that is currently plugged (fitting available). If i use the muffler port do i plug the motor and how?
Bob this is all your fault

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09-06-2013 11:55 PM  5 years agoPost 12255
mystar60

rrVeteran

Clifton, NJ

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HZ-R requires NO muffler pressure.
Plug off the muffler pressure tap.

From the Engine back plate to the Vent line on, the fuel tank. Then out of the Fuel tank (fuel clunk line) to the Engine.

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09-06-2013 11:56 PM  5 years agoPost 12256
skybob

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Park Ridge NJ USA

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Rich ,It will all be worth it in the end

Team Boobie

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09-06-2013 11:59 PM  5 years agoPost 12257
REDNOSERAPTOR

rrVeteran

NEW YORK

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@ Rich If the OS 105 has a regulator on the carb then you need to use back pressure from the engine, also you need to install a one way check valve in the line as per the directions to keep the tank pressurized during engine operation, just plug hole on muffler with a screw. however if your engine does not have a regulator then use muffler pressure and take a short piece of hose and plug and cap the back plate that way. if you don't have a plug I may have one lying around here I can give you.

Saul

P.S. you also would need a pressure release valve to prevent Hydo-locking of the engine after flight or premature wear of the regulator on the carb.

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09-07-2013 12:37 AM  5 years agoPost 12258
new guy Rich

rrKey Veteran

Westchester, NY

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Mystar
Thanks thats the way its set up
Red
Got the check ...
Release valve hydro locking??? wtf
BOB IM GONNA BEAT YOU

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09-07-2013 01:09 AM  5 years agoPost 12259
REDNOSERAPTOR

rrVeteran

NEW YORK

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Rich when you leave the fuel tank pressurized without the motor running fuel can seep through the diaphragm of the regulator and into the engine cylinder causing the piston to lock up during startup and it won't start or you could break the piston push rod in the process. this is called Hydro-lock and in order to relieve the pressure you have to losen or remove the glow plug to drain excess fuel. This can also prematurely wear the diaphragm in the regulator causing tuning problem down the road hard to diagnose unless you replace the part.

Saul

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09-07-2013 01:31 AM  5 years agoPost 12260
mystar60

rrVeteran

Clifton, NJ

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Use the Tees so its easier to refuel and relieve the pressure in the tank.

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