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Jilles Smitts Petrel

Let us all watch your new project progress.
tjarko
Posts: 14
Joined: 08 Dec 2019, 16:56
Location: Netherlands

Re: Jilles Smitts Petrel

Post by tjarko »

That is an impressive glider!

How does it fly?
What is the flying weight?

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Cliff Evans
Posts: 382
Joined: 29 Dec 2019, 15:13
Location: Bristol
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Re: Jilles Smitts Petrel

Post by Cliff Evans »

tjarko wrote:
13 Dec 2020, 13:33
That is an impressive glider!

How does it fly?
What is the flying weight?
Lawrie has told me that it flies very well All up weight is 13.2Kg
Laser Cut sailplanes

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Barry_Cole
Posts: 1422
Joined: 10 Mar 2015, 09:30
Location: Hampshire UK

Re: Jilles Smitts Petrel

Post by Barry_Cole »

tjarko wrote:
13 Dec 2020, 13:33
How does it fly?
It has Wiiings.....

8-) :lol: 8-) :lol: 8-) :lol: 8-)

BC

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Cliff Evans
Posts: 382
Joined: 29 Dec 2019, 15:13
Location: Bristol
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Re: Jilles Smitts Petrel

Post by Cliff Evans »

Petrel coming in to land, stunning scenery.

[bbvideo]https://fb.watch/2mfzDEb9EP/[/bbvideo]
Laser Cut sailplanes

jack
Posts: 100
Joined: 20 Mar 2015, 21:55
Location: chepstow,south wales

Re: Jilles Smitts Petrel

Post by jack »

Very well done lawrie!!!!!!......she looks a real treat,cliff,s is covered ready to paint if l can ever get it to him :evil: :evil: ......how did she handle on tow??,cheers,jack.

Lawrie P
Posts: 38
Joined: 18 May 2017, 21:06
Location: Townsville. North Qld

Re: Jilles Smitts Petrel

Post by Lawrie P »

Hello Jack,
Yes it flew very nicely on tow, it just hung in there and behaved itself. Once off the line i managed to find a thermal quite quickly and up it went. I didn't have any telemetry going but i'm guessing about 450mtrs, so not wanting it to get to far away on its first flight i tested out the control throws. Ailerons are initially a bit slow but when they start to work i had to back off. Throws are 30mm up and 13mm down. Rudder is 110mm each way and and mix with the ailerons is 70%. Elevator is 25mm each way but could be less i feel. also have 60% expo. Air brakes are set at 60 dgs and give a nose down attitude on a landing approach. Not too much. Just a pleasing amount to ensure there will be no tip stall before landing. I did not induce a stall at height but i think it would drop a wing very smartly if you let it go that far. I did follow your build thread and the other one with interest and was hoping you guys over there would have been first up. Will you be flying from the slopes or the flat. I only have the flat field to fly from but would really like to chuck it off a slope one day.
Lawrie.
Merry xmas to all you guys over there and everywhere. Cheers.

jack
Posts: 100
Joined: 20 Mar 2015, 21:55
Location: chepstow,south wales

Re: Jilles Smitts Petrel

Post by jack »

cheers lawrie,this damn virus has played havoc over here,the petrel has been done for a while now,but the lockdowns keep getting in the way.....so hopefully she will fly in the spring of 2021,meanwhile,l have another of jillies designs waiting in the wings(ahem,sorry),l have his Blanik L-13 to build, l intend to post the build on here,take care,jack

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