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HomeTurbineAircraftHelicopterTurbine Helicopters › new heli turbine
08-16-2018 02:15 AM  3 months agoPost 41
KevinChiu123

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Taipei, Taiwan

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Me, too. Hahaha.........

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08-16-2018 11:49 AM  3 months agoPost 42
MattJen

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UK

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looking good Kevin,
They added a better fuel/oil feed from combustion chamber to Gear box..

All The Best

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08-16-2018 02:18 PM  3 months agoPost 43
KevinChiu123

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Taipei, Taiwan

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Hi, Matt: Thanks a lot for your compliment.

I also need to fly both engines (TP and heli) for a much longer period of time for testing durability.

On the other hand, I will change the metal grease/oil feeding line into a white plastic one. Just like the one on Wren 44. It will be much easier for me to design the new carbon fiber frame for engine accommodation.

Attached the picture of mounting brackets for engine, gear box, and fuel tanks, respectively.

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08-17-2018 09:08 PM  3 months agoPost 44
keron

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Miami

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sorry to cross post. kevin , have any of you tried 2 stroke oil in your turbines? before. if yes synthetic or normal 2 stroke oil? i cant get turbine oil anymore.

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08-17-2018 10:58 PM  3 months agoPost 45
eeeeky

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Roosevelt UT USA

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KevinChiu123
Hi, Matt: Thanks a lot for your compliment.

I also need to fly both engines (TP and heli) for a much longer period of time for testing durability.

On the other hand, I will change the metal grease/oil feeding line into a white plastic one. Just like the one on Wren 44. It will be much easier for me to design the new carbon fiber frame for engine accommodation.

Attached the picture of mounting brackets for engine, gear box, and fuel tanks, respectively.

If you need a test pilot, I fly my turbine heli about 5 hours per week. Id love to stick one of those in my heli instead of the ole wren

Lets Fly!

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08-18-2018 03:16 AM  3 months agoPost 46
KevinChiu123

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Taipei, Taiwan

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keron
i cant get turbine oil anymore.
"Turbine oil 2380" or "Aeroshell turbine oil".

Or, Google~ "turbine oil" to decide your preference.

ps. I don't save penny then lose hundred~ 2 stroke oil~ I have never used it.

Canned oil might be more expensive.

We buy turbine oil in barrel/s from airports.

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08-18-2018 03:17 AM  3 months agoPost 47
KevinChiu123

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Taipei, Taiwan

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eeeeky
I fly my turbine heli about 5 hours per week.
You are the Man.

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08-18-2018 03:39 AM  3 months agoPost 48
KevinChiu123

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Taipei, Taiwan

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Brackets~

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08-18-2018 10:44 AM  3 months agoPost 49
MattJen

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UK

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KERONhave any of you tried 2 stroke oil in your turbines?
Synthetic 2 stroke oil is fine, there has been many posts and debates over the years on what oil should we use.
Compared to full size their oil is a separate system and recirculated, in our model engines it isn't, it gets burned up as the fuel passes through the turbine, Aeroshell and BP and Mobile Jet turbine oil is carcogenic and very harmful, in the early years we all loved the smell of the fuel being burnt and would enjoy standing behind the model breathing in the fumes little knowing how harmful they were...

I personally use Mobile DTE Light which I get from ebay in 1 litre bottles,which saves me buying a drum of it which would last a life time, I have used Castrol Motorbike 2 stroke oil, and having serviced all my turbines myself with help of bell Bloke I can confirm no internal damage or internal coking of the engine or combustion chamber after over 400 hrs of flying ( 10yrs )and use.

Matt

All The Best

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08-18-2018 11:14 AM  3 months agoPost 50
eeeeky

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Roosevelt UT USA

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MattJen
KERONhave any of you tried 2 stroke oil in your turbines?
Synthetic 2 stroke oil is fine, there has been many posts and debates over the years on what oil should we use.
Compared to full size their oil is a separate system and recirculated, in our model engines it isn't, it gets burned up as the fuel passes through the turbine, Aeroshell and BP and Mobile Jet turbine oil is carcogenic and very harmful, in the early years we all loved the smell of the fuel being burnt and would enjoy standing behind the model breathing in the fumes little knowing how harmful they were...

I personally use Mobile DTE Light which I get from ebay in 1 litre bottles,which saves me buying a drum of it which would last a life time, I have used Castrol Motorbike 2 stroke oil, and having serviced all my turbines myself with help of bell Bloke I can confirm no internal damage or internal coking of the engine or combustion chamber after over 400 hrs of flying ( 10yrs )and use.

Matt

Man id sure love to get my hands on a real wren 2nd stage for my predator. It looks so good.

Lets Fly!

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08-18-2018 11:41 AM  3 months agoPost 51
MattJen

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UK

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The jetcat two stage SP5 is just as good.. and is widely available.. the Wren 54 isn't made anymore but can be picked up on ebay really cheap.. you can also service it yourself..

I know that Wren have bought out a 50 size. I have no experience or have seen this engine.. So how it compares to the 54 which i have I don't know..

All The Best

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08-18-2018 11:59 AM  3 months agoPost 52
keron

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Miami

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thanks matt and kevin. matt i wish other guys can be like us and service their own engines. i service my own engines also and never had any trouble.

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08-18-2018 12:41 PM  3 months agoPost 53
MattJen

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UK

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Hi Keron,
yes it is nice when you can service your own which is only a bearing change in the case of my Wren 54, but even with that one of the bearings had to be sent back to be re balanced on the shaft.

The Jetcats have always had to be returned, in fairness when it is returned to them ( jetcat) they do the software update if needed and if there is any parts that need replacing they have in my case replaced due to fairness, I cant fault the Jetcat service apart from the length of time you could be out of action ( well documented) but now we have a jetcat UK agent ( Modtron here on RR) those times maybe greatly reduced.. again I haven't had to return a jetcat for a service for a good many years.

It seems now though Turbines are dying of death in helicopter configuration, the forums are really quiet it just doesn't have the buzz it had back in the prime day ( 2000 - 2010) my opinion, since electric motors are more powerful and much cheaper and quieter, turbines in helicopter configuration are numbered.

I still love the smell and sound and posterity and not worry about storing lypos etc, again these are my opinions only.

All The Best

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08-18-2018 01:19 PM  3 months agoPost 54
keron

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Miami

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ok . so true . i have 2 jetcat pht3 heli one of them just missing and rpm box and well am searching for a damage v6 ecu i can use for parts so i can have the other one up and running. i too love the sound of turbines. lol

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08-18-2018 03:46 PM  3 months agoPost 55
KevinChiu123

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Taipei, Taiwan

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Matt is an over-qualified expert~

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08-18-2018 04:21 PM  3 months agoPost 56
MattJen

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UK

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Ha ha I wish..
There are far more experienced people than me Kevin..some who were right at beginning of turbines..

All The Best

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08-18-2018 04:43 PM  3 months agoPost 57
keron

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Miami

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dont deny it matt.3 most educated people when coming to turbines.( P P m) peter whales , peter rob and matt

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08-18-2018 05:44 PM  3 months agoPost 58
dgoss999

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UK - Lancashire

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"dont deny it matt.3 most educated people when coming to turbines.( P P m) peter whales , peter rob and matt"

What a trio!!!!

"Believe none of what you hear, and only half of what you see." • Benjamin Franklin

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08-18-2018 06:18 PM  3 months agoPost 59
MattJen

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UK

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To be fair there is a lot of experience here, just because people like Chris Bergen, Modtron, Seattle Hello, Hellie Suis, Satsuma, Bell Bloke, Gary Travis, Dick Wallinger, Dave Owens and many others don't post much anymore doesn't mean they aren't experts. Just go back to posts from early 2003 you will see the experts, I am not one of them..

Don't judge by post counts, I know my Wren and Jetcat and understand the electronics and data when doing a data download.
But I still have my favourite go to people anything turbine related as do we all. Especially some who have a lot of experience with ALL turbine makes.

Lets get this topic back on subject now..

All The Best

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08-18-2018 06:34 PM  3 months agoPost 60
dgoss999

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UK - Lancashire

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Tactful to the end as always Matt!!

"Believe none of what you hear, and only half of what you see." • Benjamin Franklin

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HomeTurbineAircraftHelicopterTurbine Helicopters › new heli turbine
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