Thread Tools
Oct 18, 2010, 03:16 PM
Build'em and Crash'em
Ken Lapointe's Avatar
why do all the neat toys come at the end of my flying season
Sign up now
to remove ads between posts
Oct 18, 2010, 04:17 PM
Watt me worry?
Madmax1965's Avatar
I need one of thos motors too.................
Oct 18, 2010, 05:07 PM
Xtreme Power Systems
For most of the west coast it is the start of our flying season!
Oct 18, 2010, 07:56 PM
Registered User
bri6672's Avatar
Quote:
Originally Posted by JimDrew View Post
For most of the west coast it is the start of our flying season!
WOOHOOO Yes it is!! Time for some comfortable flying days!
Oct 18, 2010, 08:20 PM
Lookout For The!Radio Silence.
wingspan100's Avatar
Isn't San Diego year round?
It's finally below 100 degrees here in Phoenix.
Oct 18, 2010, 08:34 PM
Registered User
bri6672's Avatar
Most of the time but Santa Anna winds and high temps inland are no fun. One of our members installed misters on our sun shades that has made the summer much more tollerable!
Oct 18, 2010, 08:47 PM
Registered User

New Dynamax Xtreme Fan System Sound Level.


Jim,
TMACinc. where I fly has noise limits (and fun police).
Does the New Dynamax Xtreme Fan System operate within these limits?

Quote.
1. For aircraft with engine capacity of 19cc and under, the maximum sound pressure level is 96dB at 3 metres.

2. For aircraft with engine capacity of 20cc and over, the maximum sound pressure level is 96dB at 7 metres.

3. All distances are to be measured from the centre of the propeller.

4. Noise measurement readings shall be taken with the aircraft tethered on the ground (grassed surface), and engine at full throttle.

5. Noise measurement readings are to be taken from 3 directions only. (directly behind the aircraft, and to the left and right)

6. It is the highest measured noise level from the 3 directions that is the recorded noise pressure level. (not the average)

7. All readings are taken on "A" weighted scale.
Oct 18, 2010, 10:12 PM
Xtreme Power Systems
I am sure we meet these rules, but a LOT of this depends on the installation. The fan is inside of the fuse so you could have only real sound from the tail (like my Starfire). The fan is very quiet compared to the high revving ear bleeders.
Oct 18, 2010, 10:17 PM
Renegade Fun Forever!!
rvincent's Avatar
I have a db meter and in fact it is 89db at 10'
Oct 18, 2010, 10:17 PM
Renegade Fun Forever!!
rvincent's Avatar
In the plane! on the bench it is louder
Oct 19, 2010, 03:01 AM
Registered User

New Dynamax Xtreme Fan System Sound Level.


Thanks Jim and Rvincent,

This opens up new possibilities.

Oct 19, 2010, 11:36 AM
Registered User
twang's Avatar
Quote:
Originally Posted by Graeme Marion View Post
Thanks Jim and Rvincent,

This opens up new possibilities.

Come see me up at SAAMBR, we're a bit more relaxed.
Oct 19, 2010, 05:10 PM
Registered User
Thanks Twang,

It's good to know there is an alternate site available if I run into problems.
Nov 08, 2010, 01:52 PM
Registered User
Hi Jim,

wich timing settings can i use with the new Dynamax Xtreme Fan with the Hacker motor?
Nov 09, 2010, 12:53 AM
Xtreme Power Systems
Which controller are you going to use? 30 degrees is standard for the outrunners.


Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
Discussion My new R1/Dynamax Fan -- T-38 and Foremost 150 CRCJA Electric Ducted Fan Jet Talk 25 Jun 16, 2016 07:30 PM
Wanted XPS/Littlescreamer Dynamax Fan system RCSCALEGUY Aircraft - Electric - Jets (FS/W) 0 Jul 16, 2010 12:47 AM
Sold NEW XPS / Little Screamers Dynamax Xtreme Fan System badbill Aircraft - Electric - Jets (FS/W) 3 May 19, 2010 09:05 PM
Discussion Formost 150 & XPS Dynamax fan system bruff Electric Ducted Fan Jet Talk 12 Jan 03, 2010 11:36 AM
For Sale NIB Dynamax ducted fan propulsion system for OS .91 DF engine WARBIRDMAN Aircraft - Fuel - Airplanes (FS/W) 1 Jun 14, 2005 05:30 PM