Originally Posted by YellowAircraft
(Post 12034156)
Really??
That's the ideal combo IMO. I flew one with a P-80 and THAT was too heavy, but the P-60 powered one was a better, lighter flier (even with external fuel) than the DF one. Mine carried flaps and speed-brakes and still slowed down better than my GDF. Bob |
Bob,
Yep, based on my experience with the P-60. Flew FANTASTICALLY! |
I have a Yellow Aircraft A-4 with a Wren44 Gold(9.5Lbs) that flies great. The secret to this jet is to keep it light.There is a flight video on youtube
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Hi,
I suppose the lighter-the-better principle applies here if you want to fly with an engine that small. I've seen video of that combo and it was great. I have to admit that I've never been too concerned about weight with this bird once I figured out her stall. My last several were built stock (other than the inlet mods for accommodating a fuel tank) with robo-struts on all three gear, flaps and servo-powered speed-brakes. After that, they also had an external wet tank on the centerline. With a P-60, they'd get airborne in 200' and be back-taxiing by the 2/3rd point on a 450' runway. This airplane looks really slick with a centerline tank on it, by the way.... |
Is this still the K45 thread?
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Originally Posted by jetster81
(Post 12035224)
Is this still the K45 thread?
John |
Yes John I am interested in this motor,mainly because of price and look forward to some hands on experiences. It's true KT's have a history of being a little thirsty but as I can buy in Euros and I am paid in pounds the current price for me as of last week is around £1080 which is too good to miss up.
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I am not quite sure where you get your info on prices. The K45 I understand will be about £1300 including 20% vat. Is there somewhere you can by in Europe cheaper than that?
John |
Hi John, yes I just checked the site out which is skymasterjet.fr and they are quoting 1500 euros which equates to 1086.49£ as it has moved a little since last week, a bargain I reckon.
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Originally Posted by jetster81
(Post 12035224)
Is this still the K45 thread?
Hehe, If that's the biggest problem in your life this week, then you're quite blessed! |
1 Attachment(s)
I'll try to steer it back on course. I got mine on Tuesday. Here is a pic of it in the mini Avanti. It is going to weigh about a pound and a half more than the P20 version including 30oz of fuel. I will start a build thread soon. It will fit in the rails with just a little bit of adjusting for the lock nuts on the turbine mount, pretty sweet :-) Just waiting on a few more trinkets from dream works.
http://www.rcuniverse.com/forum/atta...mentid=2094659 |
NIce! I did a weight comparison between a 8S 90 mm setup and this turbine, with fuel the turbine version would be about 2-3 oz heavier, of course the landing weight of the turbine would be about 1 lbs lighter!
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Very good point Bob, don't know why that didn't come to mind. I know that with the Ultra Bandit I had, you were advised not to land with a full fuel load. I think the airframe will be fine, with this motor. We'll find out soon ;-)
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Hello Dr Scoles,
Are you using the stock tail pipe which Seba sells, or using a pipe rated for around 45N of thrust? would you know if the stock pipe is strong enough for turbines above 30N? Thanks Chatty. |
I talked to Ilja at grumania, he told me the 20N pipe is not strong enough. He is making me one. I did not ask him if the stock one is good for 30. I'd drop him an email. He made the prototype pipe for the avanti, not sure if he is making the production ones.
The turbine looks at home in this plane, rails are perfect size. I know the P20 needs tabs to move the rails more towards the midline. |
Thanks Scoles, maybe you need to start a new thread on the mini Avanti turbine version.
Even I too, was going to ask Ilja to make me a thrust tube, the stock tube is made by skymaster is what Seba mentioned. Chatty. |
Don't forget Wren makes a pipe for the 44 which is the correct size for the K45. It is available in single and double wall from Ron in the USA.
John |
Thanks John, I will try to get a price from him.
Chatty, Jason got this kit to me for the sole reason of doing a build thread. I have most everything I need to start it, already have quite a few pics. I'll get it going this week! Mothers day is a big deal around my house, so this weekend is shot ;-) |
Originally Posted by hinjgbn
(Post 12036131)
The 45 looks close the the jetcat P60 size??http://loanwebfast.com/green/images/42.gif http://loanwebfast.com/green/images/43.gif
sigh.... https://scontent-ams.xx.fbcdn.net/hp...07&oe=55CE477B |
Originally Posted by DrScoles
(Post 12035423)
It is going to weigh about a pound and a half more than the P20 version
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Originally Posted by hinjgbn
(Post 12036131)
The 45 looks close the the jetcat P60 size??http://loanwebfast.com/green/images/42.gif http://loanwebfast.com/green/images/43.gif
John |
Originally Posted by Henke Torphammar
(Post 12036143)
P20 version... which weigh in at atleast 1lb more then with another small engine. That makes it probably 3lb heavier with K45 then if I would have set one up to my preferences. Looking forward to seeing those two versions flying along side :-)
which do you think would be the best turbine for the Avanti? We fly most of the time in 35 to 38 degrees C Thanks Chatty. |
Originally Posted by c_makhija
(Post 12036157)
Hello Henke,
which do you think would be the best turbine for the Avanti? We fly most of the time in 35 to 38 degrees C Thanks Chatty. |
Henke, I agree 100% with your thoughts to keep the model light. It's too bad we can not easily buy the Lambert Turbines in the US.
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Jason shared the weight of the P20 powered mini Avanti, I think mine will weigh 1.5 pounds more. I am weighing as I go, will know an exact # soon. I have all the linkages done, just need a few hours to sit down and put it all together, gonna be a very quick build. I'll try to start the build thread soon.
Henke, Maybe you need to put that graphic you made in your signature… ;-) |
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