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TorqPro-TP70 70cc 4 stroke Gas Engine.

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TorqPro-TP70 70cc 4 stroke Gas Engine.

Old 10-14-2014, 07:22 AM
  #1  
johnlu55
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Default TorqPro-TP70 70cc 4 stroke Gas Engine.

Very happy to announce our new 70cc four stroke 3D-fly gas engine TP-70 TorqPro Gas Engine..
If you are tired fly a two stroke gas engine then our TP-70 four stroke gas engine will be a good choice for your 3D-fly.
TP-70 engine has a powerful output and smooth torque line.
MAXmum 6600 RPM at use VESS 24x10 propeller.Output response very quickly and very line output.
This engine also can use on 50cc-100cc scale airplane ,because it has a very sweet engine sound and very small size to mount into a small engine room.

Specifications:
Stock Number : TP70
Displacement: 70.0 cc
Bore: 1.42 in ( 36mm)
Stroke: 2 in ( 50mm)
Total Weight: 4.4lb ( 1990g) without ignition module
Output: 6.2hp @ 6800 rpm
Replacement Spark Plug: CM-6
Ratio of compression : 9.5:1
Ratio of lubricating capacity : 40:1 unleaded gasoline, 2-cycle fully synthetic oil
Includes: Electronic ignition module, Exhaust pipe, spark plug, standoffs, spiral wire wrap
Suggested Propellers: 24*10,25*10

Last edited by johnlu55; 10-21-2014 at 09:48 AM. Reason: post more information
Old 10-14-2014, 12:13 PM
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earlwb
 
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What does it look like, any pictures? Any specifications, weight, size measurements, and so on?
What is the suggested retail price?
Any dealers for it? Where can you buy it?
Old 10-15-2014, 03:27 AM
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Hobbsy
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I did a couple of internet searches for this thing and other than this single post it does not exist.
Old 10-15-2014, 04:44 AM
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1QwkSport2.5r
 
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Notice the OP has only 1 post. Shameless plug is what I see.
Old 10-16-2014, 10:37 AM
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earlwb
 
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I wonder if this is that 70cc engine that someone made from using a motorcycle engine. It runs OK, but weighs a lot though, something like 4.6kg.
Not sure about power either.

Old 10-17-2014, 01:30 PM
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Mikola
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Originally Posted by Hobbsy View Post
I did a couple of internet searches for this thing and other than this single post it does not exist.
this is their website http://www.towerpro.com.tw/
Old 10-19-2014, 09:39 AM
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johnlu55
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We need a few time to prepare for this new engine launched.
We will announce on this forum.
Please pay attention to this forum.
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Old 10-20-2014, 07:14 PM
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johnlu55
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https://www.youtube.com/watch?v=OqUx...ature=youtu.be

TP70 FLYING TEST!!
Old 10-21-2014, 07:19 AM
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May I recommend to make another video so we could here the engine in normal flight. I would like to hear it scream as it flies by from a long dive. Thanks Capt,n

Last edited by captinjohn; 10-21-2014 at 07:02 PM. Reason: redone post
Old 10-21-2014, 10:33 AM
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It sounded OK to me, they were working on hovering the plane a lot and high alpha flying, so they would be down at idle and fast idle speeds and blipping the throttle a lot. Not flying WOT in this case.
Old 10-21-2014, 01:38 PM
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1QwkSport2.5r
 
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It sounded to me like it was missing periodically, especially towards the end. Actually, it sounded more like a glow 4-stroke set real rich than a spark ignition gas 4-stroke. But what do I know.
Old 10-21-2014, 02:22 PM
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airraptor
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I know lots of people are critics here and nothing against you guys but OP keep working on it and do a lot testing then get them on the market. Dont rush to get it out either. make sure its a great product and it will sell.
Old 10-21-2014, 03:19 PM
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fg forum is more information, this engine look good.
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Last edited by lavagrit; 10-21-2014 at 04:43 PM.
Old 10-21-2014, 06:42 PM
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Yes you could be right about it being on the rich side, but it seemed to be working OK though.
Old 10-21-2014, 07:06 PM
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lavagrit, Did not mean to be a critic ....just want you guys to have success with your new 4 cycle engine. It may have a lot of appeal to non 3D flyers. Thanks Capt,n
Old 10-21-2014, 11:03 PM
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Default new servo launch

we apology for post to wrong place !

Last edited by johnlu55; 10-22-2014 at 07:00 PM.
Old 10-22-2014, 01:07 AM
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hello capt,its not my engine,I just think it, cheaper than vm60 and kolm67,and more powerful。
Old 10-22-2014, 03:18 AM
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@johnlu55 don't profit to SPAM this thread with your CRAP servos. just post more info of this engine.

@lavagrit cheaper for sure but now let's talk about reliability....chinese companies don't have a dyno so your engines power is often FALSE

Last edited by Mikola; 10-22-2014 at 03:20 AM.
Old 10-22-2014, 10:47 AM
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I hope they put some care, and love into making the engines. Not just slap them together with a don't care attitude. It tends to cause the quality and attention to detail to suffer. That causes the engines to have stupid problems that should not have happened in the first place.
Old 10-22-2014, 12:24 PM
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i hope so too. i dont want to discourge them either just want to see new good running engines produced
Old 10-22-2014, 02:34 PM
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I'd be a little concerned with that intake assy. Would like to see somekind of support for it. Easy enough to fabricate something, but still.
Old 10-22-2014, 05:40 PM
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johnlu55
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Thank you for your comments
We have made ​​continuous testing to make more stable quality
Old 11-03-2014, 01:13 PM
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This motor would fit the bill in the 55-60cc war birds market wich has been hurting for a good 4c gas motor. While the satios are nice, A good 70cc 4c single would fit really well in my war birds.

Do you have a us distribitor yet?
Old 11-10-2014, 07:13 PM
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new video,
Four-stroke engine is more suitable for 3D-fly, faster throttle response and more linear torque curve.
https://www.youtube.com/watch?v=j1NUSJDFYJg
https://www.youtube.com/watch?v=P3aTn0f1X2g
Old 04-04-2015, 10:37 PM
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Mikola
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http://giantscalenews.com/threads/to...4-stroke.2085/

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