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

91 vfdf 40 size Shrike

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Old 09-07-2002, 09:34 AM
  #1  
Hammbone2
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Default 91 vfdf 40 size Shrike

Having built many Shrikes with large engines the 91 vfdf was a challenge. Moving the firewall back and the wing forward to find balance. Tank Placement, Pipe heat shield. Wing Srevo's (Jr 8411)
All had to be figured in to the project. It turns a 10x10 around 19,000rpm on the ground but unloads a bunch in the air. This airfraime is just to thick of a wing to go fast. reguardless of any amount of horsepower you aply to the airfraime. It's a monster to hand launch. and doesnt do your back any good either ,And if there is any fuel residue on the airplane. the engine thrust will pull it right out of your hand. It's now a Hanger Queen, Having flown several times. I'm not getting any younger and after having 3 back surgeries in 2 yrs. I dont need to be hand Launching.


Happy Landings
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Old 09-07-2002, 10:36 AM
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Cactus.
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Default 91 vfdf 40 size Shrike

why not use a launcher?
no, not the local newbie that'll throw it right into the ground, but two lenghts of pipe at an angle on a frame.
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Old 09-07-2002, 10:52 PM
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Default 91 vfdf 40 size Shrike

Instead of it being a hanger queen.....sell it to me.
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Old 09-08-2002, 12:19 AM
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Cyclic Hardover
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Default 91 vfdf 40 size Shrike

So--------whats your price?
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Old 09-08-2002, 02:13 AM
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Default 91 vfdf 40 size Shrike

well i really never said i wanted to sell the plane. It never crossed my mind to sell it. What is pictured is the third airframe and a yrs work. It's hard to put a price on that. Unless some one has deep pockets ,I'm really not interisted in selling it. But thanks anyway, There really not hard to kit bash now that I've done all the trial and error work.

G.A.Hamm
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Old 09-09-2002, 12:11 AM
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Default 91 vfdf 40 size Shrike

Actually, I thought about "bashing" another one this winter. Thinking of a turtle deck on top with a canopy. Hopefully similar to that of a Prop jet.
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Old 09-09-2002, 02:05 AM
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Default 91 vfdf 40 size Shrike

sounds cool. I used a paintable stuff sold by bob violet thats called heat shield, works well on wood for hot pipes,on my .91 shrike the pipe is half in and half out the fuse top I coated a 1/64 ply with heat shield to cover tank,battery,servo's ect, to keep things from melting and it worked great. Where the top fuse deck meet the pipe itself i split fuel line as an insulator and that worked great too and made a clean installation line between the pipe and fuse..
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Old 09-09-2002, 02:35 PM
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Default 91 vfdf 40 size Shrike

The few times you flew it, how fast do you think it was going?
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Old 09-11-2002, 01:35 AM
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Default 91 vfdf 40 size Shrike

Hammbone, I got the same problem with my back, ever thought about beefing the wing up a little and installing mech/retracts instead of having to throw it everytime? I put Robarts .10 size retracts on a .20 size Shrike and it worked real good. (but not off of grass!)
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Old 09-15-2002, 04:11 AM
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Default shrike 40

Since yall are kit bashing why not build a modified shrike with retractable tricycle landing gear. I built one with external gear and it made take offs and landings great but it realy added a lot of drag. if i had the time and money i would attemp to install retracts and since your already useing a 91 engine youve got the HP to design a larger wing to help with the wing loading problem from all the extra landing gear weight. perhaps you would call it a 60 size shrike
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Old 09-25-2002, 06:31 PM
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Default 91 vfdf 40 size Shrike

Ill take the price of a Jett Fire 50 and tuned pipe for the .91 shrike minus engine
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Old 09-25-2002, 06:33 PM
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Default 91 vfdf 40 size Shrike

If you want the engine too, send me 2 Jett Fire 50`s with tuned pipes
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Old 10-05-2002, 02:31 AM
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Default Landing Gear for Shrike

How about designing a jettisonable gear system...

It would be lighter and simpler than retracts.

Get off the ground, come around on a slow pass and jettison the gear, and let 'er rip!
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Old 10-05-2002, 03:22 AM
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ChuckAuger
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Default 91 vfdf 40 size Shrike

Originally posted by Hammbone2
Ill take the price of a Jett Fire 50 and tuned pipe for the .91 shrike minus engine
Wow, only $300 for a Shrike without an engine! I'll bet somebody snaps that right up! Let me think about it for a while....
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