Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

Jett quickie on a Shrike

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Old 03-30-2007, 10:15 PM
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NoOneFlysAtMyClub
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Default Jett quickie on a Shrike

I did the .32 on a .10 Shrike thing with cut down airfoil, set back firewall and nitro pipe. Very fast and fun. You should have seen the LAST pass in front of the crowd. They loved it!!!

New project.

I have a Shrike .40 kit that I am starting tonight. I am thinking of putting my Quickie Jett .40 on it. It is still in the bag so I will have to bench run it some first, but can still set up the airframe. The locals think I am nuts to put a Quickie on it, but they all fly slow planes. I think that I will do the initial flights with my back-up APRA engine in case some unforseen event takes it away. I would not like to lose the Jett but as we know, all thing must come down one way or another!

My first Shrike had a Magnum .15 up front and it was built to plans with no mods. It was not as fast as the .32 one was, but it was still pretty fast for a .15.

Am I gaining enough of a speed advantage by cutting down the airfoil? The wing does not look as thick, scale wise, as the .10 Shrike. It might not matter much with the Quickie Jett up front.

I hope to have it come out looking similar to this composite from England that I saw here {now my desktop image}. I will ad wood where needed. Might glass, might Ultracote. Don't know yet.

What do you think?

Any input?

Thanks, Tony
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Old 03-31-2007, 12:20 AM
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Default RE: Jett quickie on a Shrike

It should be a nice running mate to go with your .32 powered Shrike.
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Old 03-31-2007, 12:38 AM
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Mike Connor
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Default RE: Jett quickie on a Shrike

My Shrike 40 with a SJ 50 was a fast and fun plane. If I was to build another one I would consider slimming down the wing and maybe even shortening the wing span a little. I think the Shrike 40 has a 13% wing. The fuse area is much deeper then needed so it could also be cut down. I would also shorten the ailerons to eliminate potential flutter problems. The Shrike 40 has hard wood spars and the plans call for glass at the wing root so strength should not be a problem with your engine.
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Old 03-31-2007, 08:03 AM
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Default RE: Jett quickie on a Shrike

That's a sharp looking Shrike!
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Old 03-31-2007, 12:18 PM
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Default RE: Jett quickie on a Shrike

I think you should put the Quickie Jett .40 on the .10 Shrike. After all, this is the "extreme" speed prop plane forum

Paul
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Old 03-31-2007, 04:13 PM
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Default RE: Jett quickie on a Shrike

Sounds like a fun project

Prop the quickee motor just on the light side for sport flying - just a suggestion, especially if it is new. An 8.8x8.5 or 8.8x9W will work well for the Shrike... the engine will be super easy to setup.... and the plane will be pleanty quick enough.

Definately consider using a tetra or bubble-jett fuel tank. Eliminate the fuel system problem before it happens.

Mike had a good idea there if you are looking for some all-out speed....... shorten the wing by one rib bay on each side. And also as noted, glue the outboard 3" of aileron as fixed trailing edge. Be sure to seal the elevator and aileron hinge gaps.

From the look of your small Shrike, you will have no issue at all with this project - no doubt it will turn out looking just as nice !
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Old 03-31-2007, 05:28 PM
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Default RE: Jett quickie on a Shrike

Paul,

You should put your Nelson Quickie on a .10 Shrike and we will see which one is faster. I can give your Shrike back if you need it.

Tony
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Old 04-01-2007, 02:31 PM
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Default RE: Jett quickie on a Shrike

Tony, the picture you have posted is definitely not a Shrike picture. This a/c features a glass fuse... I have tried to buy one but I could not succeed in reaching the store by email. Any suggestion ?
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Old 04-01-2007, 04:14 PM
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Default RE: Jett quickie on a Shrike

No it is not a Shrike. As I mentioned in my first post, it is a composite from England. I got the picture on this forum. It is what I want my Shrike to look like when I am done.

My last pass in front of the crowd with my .32 powered .10 Shrike was its last pass. The field at the end of our runway slopes uphill. As I passed and banked left at great speed, I did not make the uphill slope. Right wing half was gone, but the carbon spars were undamaged. They are tough!!!

Tony
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Old 04-02-2007, 01:38 PM
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Default RE: Jett quickie on a Shrike

Oh my bad, sorry, should have read it correctly ... [sm=rolleyes.gif]. I seem to remember it was made in the US. Have to find the link.
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Old 04-02-2007, 04:06 PM
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Default RE: Jett quickie on a Shrike


ORIGINAL: Strykaas

Oh my bad, sorry, should have read it correctly ... [sm=rolleyes.gif]. I seem to remember it was made in the US. Have to find the link.
that would be this one .......

http://www.ardmodels.com/stingray.htm
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Old 04-02-2007, 08:25 PM
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Default RE: Jett quickie on a Shrike

Thanks for the link Bob.

The Stingray is very reasonable price wise. A great value at $175 ready to cover.

Much more sleek than a Shrike, however, my goal is still to make My Shrike look that sharp. It just takes thought and time. I am limited on time right now, but I think alot!!!

Tony
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Old 04-08-2007, 05:09 AM
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Default RE: Jett quickie on a Shrike

The Stingray is very reasonable price wise. A great value at $175 ready to cover.
Are they still in business ? I'd like to get my hands one one
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Old 04-08-2007, 08:04 AM
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Default RE: Jett quickie on a Shrike

I also would like to know. Where did you see the already covered price?
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Old 04-08-2007, 09:42 AM
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Default RE: Jett quickie on a Shrike

http://www.ardmodels.com/building.html

$225.00 covered
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Old 04-16-2007, 10:52 PM
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Default RE: Jett quickie on a Shrike

Been working on the Shrike.

I took one inch out of the height of the fuse. 1/2" top and bottom. 1/2" triangle top to side joint for a nice rounded look. Moved the hatch to the bottom of the fuse. One 10/32 nylon bolt to fasten. 1/4" triangle added to inner hatch for rounding. Now looks very un-Shrike! Pinched the front of the fuse for a 2 1/4" spinner. It now looks longer and thinner. {faster}

Moved the firewall back 7/8". With the TruTurn Ultimate spinner, the fuse is the same length as designed.

Wing is two inches shorter. All ribs moved one inch closer to fuse side. All ribs have been reduced in height. Most was done just to make the ribs the same thickness at the trailing edge. Laser cut but not laser close!!!

Elevator and fins narrowed accordingly.

Had to order a longer needle valve from Jett to clear fuse side.

More mods to come.

Will post pics later.

Tony

[8D][8D]
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Old 04-17-2007, 10:58 AM
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Mike Connor
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Default RE: Jett quickie on a Shrike


ORIGINAL: roadtripessentials


Wing is two inches shorter. All ribs moved one inch closer to fuse side. All ribs have been reduced in height.
Will post pics later.

Tony
How much did the wing sweep change by moving the ribs closer to the fuse? How much height did you take off each rib? An engine cowl may be in order after these mods. Sounds neat, waiting for pics.
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Old 04-23-2007, 05:04 PM
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Default RE: Jett quickie on a Shrike

I have been working on almost the identical project. I cut down the fuse to match the wing and plan on putting the Jett 40 up front. It is too late to reduce rib size and relocate them but I can cut the last section off. A question I have, why is the firewall relocated? Does the engine need to be set back further? It will be interesting to compare the results.

Thanks
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Old 04-23-2007, 07:03 PM
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Mike Connor
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Default RE: Jett quickie on a Shrike


ORIGINAL: PHall

A question I have, why is the firewall relocated? Does the engine need to be set back further?

Thanks
The Shrike tends to come out nose heavy, especially with a side exhaust.
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Old 04-23-2007, 07:15 PM
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Default RE: Jett quickie on a Shrike

Man,,,, don't ya just love Shrikes???
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Old 04-23-2007, 08:39 PM
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Default RE: Jett quickie on a Shrike

I will try to post some pics and an update on my progress Wednesday.

Tony
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Old 04-25-2007, 10:48 PM
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Default RE: Jett quickie on a Shrike

Shrike update!!!

I ended up making the wing panels 1 1/2" shorter each to get the ribs to line up to my satisfaction. This only changed the wing sweep two degrees, so the CG should not be a problem.

The ribs are 1/4" thinner at the high point on the root rib and 1/8" on the tip rib. All ribs taper to the supplied leading and trailing edge stock.

I am going to use small outboard ailerons as seen on the Stingray in my first posting. I have fabricated rails for aileron servo mounting. I am using Hitec HS-125MG thin wing servos. Servo arms exit out the bottom of the wing. They are short arms and close to the trailing edge, so ground contact on landing should not be a problem.

All the wing sheeting wood was as hard as my kitchen cabinets. I replaced all of it with contest wood from the local hobby shop. I am fully sheeting the wing. I think, at this time, that I am going to glass and paint, but that could change. {I paint for a living}

6OZ. Tettra tank.

Received my Tru-Turn Ultimate Spinner today. This thing cost as much as a sport .40 engine!!! However it is a machining work of art!!!

The imagineering continues.

Here are a few pics.
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Old 04-26-2007, 03:44 AM
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Default RE: Jett quickie on a Shrike

Nice !
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Old 04-30-2007, 08:09 PM
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Default RE: Jett quickie on a Shrike

I like your modifications. I will be watching this thread to see your completed work!
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Old 05-01-2007, 11:17 PM
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Default RE: Jett quickie on a Shrike

Shrike update!!!

I ran and taped strings for the aileron servo wires.

The wing is now fully sheeted top and bottom.

The plans call for a 3/8" sq. open framework between the wing trailing edge and the elevator leading edge. I went with 3/16" sq. stock sheeted with 1/16" top and bottom [remember the plan is to glass and paint]. After I changed the ribs, the total trailing edge thickness was reduced to 5/16". This area is 11 1/2" wide per plan. Changed to 10 1/2", lines up with the modified rib spacing. The space at the rear of the fuse is left open for the yet to be determined elevator pushrod exit location.

The leading edge of the wing has been faired in. Looks much better. Wing to fuse joint will also be faired in later in the build.

There are not enough hours in a day!!!!!!!!!

Self employed. LIVING THE DREAM BABY!!!!

The imagineering continues.

Here are a few pics.

More to come.

Tony
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