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New turbine X 45 ,by Gaspar

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Old 07-21-2019, 08:35 PM
  #76  
Len
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Originally Posted by john491
How do you open and use the instruction card? When I flip the tab back there are four contacts I don't recognize. I imagine it's supposed to plug into something somehow, just can't figure it out.
Is there anything on there not on the website?
John
Hi John,
It’s actually a USB drive...stick it into a USB port on your device with the contacts facing toward the contacts in the port, and you will have the manuals etc.
Enjoy,
Len
Old 07-21-2019, 08:47 PM
  #77  
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I had the intense pleasure to fly the X45 in my Mini Avanti today! AWESOME! Unlimited vertical, ramp and spool times faster than ever, 15 seconds from ignition to Tx control. The residual thrust was so low that it did not need brakes to remain still on an asphalt runway! It weighs less than the original P-20SE that was in there and also less than the K30 that had replaced the P-20SE for one flight. It sips fuel only using 600 ml for a 6 minute flight, leaving 650 still in the tank...I was blown away by that! BTW the plane weighs 3 oz less than when it had the K-30 installed! I am guessing mostly because the X45 only requires a 2S LiPo (I used a 1300) rather than the 3S LiFe, which is hard to find in a small lightweight pack. This engine is a game changer guys. I have no idea what the technology(ies) is/are that has/have made this huge change, but I cannot find fault with this power plant at all...and trust in the fact that I am good, well maybe great, in finding fault with things! I suppose the longevity is the only unknown now, but this engine has lived up to its specs and beyond so far, so there is no reason to expect anything less from its life span.
Wow just wow! I wonder what size engines this technology will show in next??? Simply superb!!!
Len
Old 07-22-2019, 12:59 AM
  #78  
Bob_B
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That is great news Len! What is your tank setup? Are you using an air trap?
Old 07-22-2019, 03:37 AM
  #79  
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Slightly OT since the x45 uses 2S,which is awesome, but if you're looking for a small 3S Life for a small model I've been using this in my Viper K45 powered Viper with great success
https://www.airsoftmegastore.com/766...t-battery.aspx
Old 07-22-2019, 04:30 AM
  #80  
Len
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Originally Posted by Bob_B
That is great news Len! What is your tank setup? Are you using an air trap?
I use a 1.25 L tank (appears to be Kevlar or glass) from Peter Liu at Baja Hobby in CA. I got that thinking I would be using the K30 ongoing, and normally Kingtechs are thirstier TSFC (Thrust Specific Fuel Consumption). I should point out that the K30 uses about the same amount of fuel as a P-20SE when making the same thrust, so Kingtech has gotten much better on their TSFC of late. That tank needed a tad of the inside edge of the intakes removed, but not enough to be engine significant. I use a 2oz MAP (Model Aviation Products) UAT. I am thinking of filling only 2/3 to 3/4 going forward or switching back to an 800ml tank. I did carry a full fuel load on this flight and it was notably just a little nose heavy for the first few laps. The air trap was air free after the flight so Peter’s tank (old Tam Jets design) works well, though to be fair the flight was not so much about the plane as the engine. So other than a few rolls, a hard short field break, and a vertical climb for a much longer time than I’d normally ever do, there were no aerobatics. By way of explanation, this was only the second flight on this model though I have two other Mini Avanti's that I fly (I donated the first to the AZ desert 18 months ago).
Len
Len
Old 07-22-2019, 10:20 AM
  #81  
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Which and what size pipe are you using for it?
Old 07-22-2019, 04:07 PM
  #82  
Len
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Originally Posted by raptor30se
Which and what size pipe are you using for it?
The Tams pipe that Peter Liu at Baja Hobby is selling now. It is ~2” pipe diameter with a fairly large bell mouth ahead of that. I just used the mounting holes that got the tail cone near to the 3/4 to 1” mark from the 2” pipe portion, so the engine sits a fair ways back into the bell mouth. The pipe looked fine after the flight no hot spots or deformities. I was diligent in getting the engine into the center as close as humanly possible though...always a good idea!
Old 08-03-2019, 07:08 PM
  #83  
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What is the polarity of the connection on the GCU?
I can't see any polarity marked on the unit nor find any reference in the manual. The one picture I have seen in the videos seem to show the signal wire to the left facing the unit, or does it matter?
John
Old 08-05-2019, 05:49 AM
  #84  
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Orange towards centre, negative to outer edge.
Old 08-05-2019, 06:13 AM
  #85  
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What pipe diameter is needed for this new little turbine?

The reason I ask is I have left over some stainless single walled pipes and some nice spun aluminium bell mouths to suit that I had made for the Stinger Sports Jet we made a long while back that ran P20's

Marc
Old 08-05-2019, 10:24 AM
  #86  
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Originally Posted by marc s
What pipe diameter is needed for this new little turbine?

The reason I ask is I have left over some stainless single walled pipes and some nice spun aluminium bell mouths to suit that I had made for the Stinger Sports Jet we made a long while back that ran P20's

Marc
Min 50mm to 55mm I would think is the range.
Old 08-05-2019, 10:47 AM
  #87  
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Stated in the manual 45-50mm
Old 08-17-2019, 02:54 PM
  #88  
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little deviation from my original plans
Old 08-17-2019, 03:21 PM
  #89  
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Managed to get out to the local event and maiden the Harlock Viper, motor started faster than others take to switch over. Less than 20 secs. The plane flew great after trimming and gyro setup, flys bigger than it is for sure. I was caught off guard by the speed and quickly realized that half throttle for cruise and 3/4 for vertical was plenty. Flying this plane at full throttle would be more than I would want to push it.
Old 08-17-2019, 03:50 PM
  #90  
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Awesome Kieth! Cant wait to get mine installed and in the air!
Old 08-17-2019, 10:35 PM
  #91  
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I have my X45 in a Micro T1 and have over 20 flights on it so far... it’s an amazing engine..

Looking forward to Jetpower 2019 to see what possible new item from “Xicoy by Gaspar” will be presented

David
Old 08-26-2019, 11:43 PM
  #92  
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Xicoy X45 for the Mig17 too. As usual kits available from [email protected]

Some options available here such as nozzle, cheater delete etc...
https://www.thingiverse.com/Henke2/designs

Larger engine makes the whole assembly sit a tad further back. 46mm thrust tube vs 40mm for the Kolibri. I estimate the AUW to up by about 1lb to a total of 7.6lb dry and 9lb wet. This would translate to landing weights about the same as the EDF on 6S 5500mAh

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Just for reference my Mig17 with Kolibri power. Goes fairly well when the fuel is getting a little lower LOL

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Last edited by Henke Torphammar; 08-26-2019 at 11:52 PM.
Old 09-04-2019, 06:43 AM
  #93  
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would this turbine work ok in a freewing yak 130>
Old 09-04-2019, 01:50 PM
  #94  
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Originally Posted by sjpateys
would this turbine work ok in a freewing yak 130>
Yes it would! I fitted a P20 in mine and it flew great, but the scale undercarriage is very prone to damage due to some plastic parts used in high stress areas. Tinkering with the undercarriage after most flights drove me crazy, so I sold the jet. I have two X45's, and they are slightly smaller than a P20, but double the thrust!!
Old 09-04-2019, 02:05 PM
  #95  
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I only just came across this thread and great to see so many pilots enjoying this amazing little engine! I can say that now after owning two X45's and using it to power many different models, a one litre fuel tank will be good for at least 10 minutes flight times. I don't use a header tank, but use a Honda brush cutter felt clunk, so if you want to keep weight down, maybe consider this as a option to keep TOW down. I made a couple of videos showing off the X45 in my Mini Avanti and my Savox L39, and as others have said, this little powerhouse is a game changer!!


Old 09-04-2019, 09:32 PM
  #96  
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Originally Posted by sjpateys
would this turbine work ok in a freewing yak 130>
No
Old 09-04-2019, 11:34 PM
  #97  
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Originally Posted by Henke Torphammar
No
Considering there's one flying with a P20 just 2 posts above, perhaps you'd enlighten us as to why you say 'No'...
Old 09-05-2019, 01:04 AM
  #98  
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Give it a try! Breathe for a bit, then tell me it's not right or I can not use the picture or so... LOL


https://www.thingiverse.com/thing:3846262
Old 09-05-2019, 01:10 AM
  #99  
Henke Torphammar
 
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Originally Posted by Nige321
Considering there's one flying with a P20 just 2 posts above, perhaps you'd enlighten us as to why you say 'No'...
Well it comes down to many different aspects. For example if you can fit it in the Yak 130.... the P20 sits outside the plane. Also the added weight and power is not ideal when looking at the airframe. The retracts have the best design ever seen but choice of material makes them weak. the full flying tail makes higher speed unsuitable etc.

(Yes I have done the Yak-130 conversion kit too with engine inside using P20 too, till I don't recommend it and the X45 would need the 45mm tube which simply does not fit)

Old 09-05-2019, 07:41 AM
  #100  
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TBH I can't see why it wouldn't work in theory, as the engine is both physically smaller and lighter than the P20, whilst having lower idle thrust. I think I'll wait a bit, hopefully someone else might attempt it.

I should perhaps clarify, that if I did it, I would mount the engine externally in the same manner as in the post above.


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