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Whiplash Delta with FAI Nelson/Piped - 7/24/2012 8:08 AM   
ehelibuff


 

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From: Saugus, CA, USA
Status: offline 		I have a composite delta with a Nelson FAI/F3D engine with pipe and still too slow for me.... Fast stuff just seems like Sig Kadets to me. Have I blown my fast fuse?

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RE: Whiplash Delta with FAI Nelson/Piped - 7/24/2012 4:46 PM   
combatpigg



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Status: offline 		How fast does it go..?

If it doesn't do 200 mph it could be either the prop's fault or the airframes' fault, or a little of both.
There is an invisible line you can not cross with wing loading and deltas really suffer if the wing load is too high. Might as well fly a kite when it gets too high.


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RE: Whiplash Delta with FAI Nelson/Piped - 7/25/2012 1:08 PM   
windcosmic


 

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Status: offline 		Hi! I am interested in your Nelson engine. Please send me a PM when you will have blown it.
Thanks!

Giovanni Pavan

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RE: Whiplash Delta with FAI Nelson/Piped - 7/25/2012 6:37 PM   
airraptor


 

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Status: online 		how much would you pay for a new one with pipe?

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RE: Whiplash Delta with FAI Nelson/Piped - 7/25/2012 7:13 PM   
ehelibuff


 

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From: Saugus, CA, USA
Status: offline 		Could be the prop. It's going over 200, but doesn't seem as fast as I want it to go. The airframe is pretty light.

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RE: Whiplash Delta with FAI Nelson/Piped - 7/25/2012 7:59 PM   
combatpigg



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quote:

ORIGINAL: ehelibuff

Could be the prop. It's going over 200, but doesn't seem as fast as I want it to go. The airframe is pretty light.

If it's already going over 200 mph, then you aren't going to see some magic [or noticeable] increase in speed with different props. That engine has a very narrow range about which props will work with it.
200 doesn't look very fast when you get used to just sport flying a lazy pattern with it. 200 is just a number, not much different than flying 170, 180, etc.
Try running it around a pylon course as tightly as you can if you want to make it seem faster and more challenging.


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RE: Whiplash Delta with FAI Nelson/Piped - 7/25/2012 8:04 PM   
ehelibuff


 

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From: Saugus, CA, USA
Status: offline 		I've been racing pylon for ages. Q-500, Q40 and F3D. I know the engine is very picky. I think maybe i'm just so used to it, it seems slow to me now. I do know playing with props can make a great difference as well.

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RE: Whiplash Delta with FAI Nelson/Piped - 7/25/2012 8:24 PM   
combatpigg



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From: arlington, WA, USA
Status: offline 		The same thing happens in other motor sports.
Our home town hero held a NHRA record with this blown hemi powered coupe and sold it so he could move up to alcohol funny car. Said he was bored with running 170 mph in the 8 second range, IIRC.
I've been searching for this car, BTW.

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RE: Whiplash Delta with FAI Nelson/Piped - 7/25/2012 8:42 PM   
ehelibuff


 

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Status: offline 		Maybe put an MB in my delta... Or my pulse jet.

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RE: Whiplash Delta with FAI Nelson/Piped - 7/25/2012 10:50 PM   
Crazy4Flight



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Status: online 		what prop are you running???

Is it time to install a JETT 60LX FIRE?

make a cowl for the engine and pipe.

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RE: Whiplash Delta with FAI Nelson/Piped - 7/25/2012 11:23 PM   
ehelibuff


 

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Status: offline 		I'm running a carbon APC prop. Can't remember the size. Turning 38,000

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RE: Whiplash Delta with FAI Nelson/Piped - 7/26/2012 5:32 AM   
combatpigg



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quote:

ORIGINAL: ehelibuff

I'm running a carbon APC prop. Can't remember the size. Turning 38,000


nothing more to see here folks, let's move on..........


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RE: Whiplash Delta with FAI Nelson/Piped - 7/26/2012 8:18 PM   
BiggerDanno


 

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quote:

ORIGINAL: ehelibuff

I'm running a carbon APC prop. Can't remember the size. Turning 38,000


Yep, definitely blew your fuse.

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RE: Whiplash Delta with FAI Nelson/Piped - 7/27/2012 4:34 PM   
Pylonracr


 

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Status: offline 		Turning 38,000. 

There is your problem, you forgot to put the prop on....

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RE: Whiplash Delta with FAI Nelson/Piped - 8/7/2012 1:21 AM   
smoknrv4



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quote:

ORIGINAL: ehelibuff

I'm running a carbon APC prop. Can't remember the size. Turning 38,000


LMAO!!!

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