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Search: Posts Made By: Nick C
Showing results 1 to 25 of 80
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Forum: FPV, UAV & Drones
03-18-2011, 07:58 AM
Replies: 3
Views: 1,089
Posted By Nick C

RE: Utility Airframe

thanks the Icon A5 looks better out of the two
Forum: FPV, UAV & Drones
02-27-2011, 04:23 AM
Replies: 3
Views: 1,089
Posted By Nick C

Utility Airframe

Hi, I on the hunt for an ARTF model to do some flying work, I need to carry a medium sized box of tricks around. I had in my mind an Ultra stick 120 as a club mate had one many years ago , but...
Forum: Scratch Building, Aircraft Design, 3D/CAD
05-25-2009, 10:34 AM
Replies: 0
Views: 503
Posted By Nick C

TurboCADs little brother

came across this the other day, DoubleCAD XT , developed by IMSI seems to be TurboCADs little brother,

http://www.doublecad.com/Download/tabid/1128/Default.aspx
Forum: JetCat Turbine Direct Support
06-28-2008, 10:29 AM
Replies: 8
Views: 1,344
Posted By Nick C

RE: Gas Solenoid

all I was thinking is that I would make a little board with the filter and the solenoid on it, and then a fly lead from my ecu , then I could start the engine in the normal fashion and then...
Forum: Thunder Tiger - Raptor 30, 50, 60, 90
06-25-2008, 03:36 PM
Replies: 16
Views: 1,003
Posted By Nick C

RE: Buzzing Noise

My muffler was fine the other day, and I did check my tail boom mounting as well, as I originaly thought it might be the belt slipping or something so I tightened it all up.

A bent tail rotor...
Forum: Thunder Tiger - Raptor 30, 50, 60, 90
06-24-2008, 03:57 PM
Replies: 16
Views: 1,003
Posted By Nick C

RE: Buzzing Noise

I'm using a S9254 on the tail with a gy401.

As for holding my finger on any part of the engine, I assume after a minute or two of hovering ?? , I think I would struggle, I can literally feel...
Forum: Thunder Tiger - Raptor 30, 50, 60, 90
06-23-2008, 04:13 PM
Replies: 16
Views: 1,003
Posted By Nick C

RE: Buzzing Noise

nope I haven't any decals anywhere, and I didn't feel the need to balance my blades , they seemed pretty good as I balanced them on a bolt.....

yep I got a brand spanker of an Os 37. Short of...
Forum: Thunder Tiger - Raptor 30, 50, 60, 90
06-22-2008, 04:46 PM
Replies: 16
Views: 1,003
Posted By Nick C

RE: Buzzing Noise

Carbon, (JP )
Forum: JetCat Turbine Direct Support
06-22-2008, 03:17 PM
Replies: 8
Views: 1,344
Posted By Nick C

RE: Gas Solenoid

ok thanks for that. That will save a bit of weight and complexity from my boomer.
Forum: Thunder Tiger - Raptor 30, 50, 60, 90
06-22-2008, 03:13 PM
Replies: 16
Views: 1,003
Posted By Nick C

RE: Buzzing Noise

I just hovered before without the canopy, and the noise was definitely present.

as to my engine being tuned, well she picks up alright, and if shes too lean you loose power after a brief period...
Forum: JetCat Turbine Direct Support
06-22-2008, 12:15 PM
Replies: 8
Views: 1,344
Posted By Nick C

Gas Solenoid

I did a search and a couple of posts almost touched on this, but can I remove the gas solenoid when my P80 has started up?
I.e I have for some time just hooked up my gas directly from the bottle...
Forum: Thunder Tiger - Raptor 30, 50, 60, 90
06-22-2008, 12:00 PM
Replies: 16
Views: 1,003
Posted By Nick C

Buzzing Noise

I've got a buzzing noise with my raptor now..... (it and the Os 37 have had probably about half a gallon through them.)

Its a buzzing noise that at first came and went but now is very...
Forum: Thunder Tiger - Raptor 30, 50, 60, 90
04-15-2008, 06:16 AM
Replies: 10
Views: 1,346
Posted By Nick C

RE: Rap30 High Pitch Noise

nope I haven''t done any of that !!

will give it a shot this evening.
Forum: Thunder Tiger - Raptor 30, 50, 60, 90
04-07-2008, 10:07 AM
Replies: 10
Views: 1,346
Posted By Nick C

RE: Rap30 High Pitch Noise

ok I'll have a look, but this heli is brand new and has only had about 8 tanks over the last week or so.

I can't see any significant wearing on either of the pinions.
Forum: Thunder Tiger - Raptor 30, 50, 60, 90
04-07-2008, 05:47 AM
Replies: 10
Views: 1,346
Posted By Nick C

RE: Rap30 High Pitch Noise

no its there when she's in the hover and much more noticeable with her tail on as well.

I suppose it is kind of subtle, its not enough to make me land it immediately.

I had a check of the...
Forum: RC Jets
04-05-2008, 11:36 AM
Replies: 22
Views: 2,489
Posted By Nick C

RE: Re Jetcat mounting "straps".

I've had two P80's from M&R and I've had a few warranty issues with them , but every time this had been speedily fixed FOC by Jetcat, so thumbs up for this smooth experience from both parties,

...
Forum: Thunder Tiger - Raptor 30, 50, 60, 90
04-05-2008, 10:59 AM
Replies: 10
Views: 1,346
Posted By Nick C

Rap30 High Pitch Noise

Flying my heli this morning and I have increasingly noticed a high pitched whine coming from it, almost a screatching noise, and I'm sure it was not there when I flew with her for the first time last...
Forum: Aerodynamics
03-17-2008, 11:48 AM
Replies: 48
Views: 5,044
Posted By Nick C

RE: symmetrical wings

alright alright , haar haar....

I just figure that a beginer coming to this thread is going to be confused between lighter than air and heavier than air, craft displacements. For a heavier than...
Forum: Aerodynamics
03-17-2008, 11:15 AM
Replies: 48
Views: 5,044
Posted By Nick C

RE: symmetrical wings

"its going to be tricky, all my wings are floating up on the ceiling up out of my reach. " going to have to find something to stand on.....


Ok so we've got STATIC displacement (lighter than...
Forum: Aerodynamics
03-17-2008, 10:35 AM
Replies: 48
Views: 5,044
Posted By Nick C

RE: symmetrical wings

I think your getting your displacements mixed up here, lighter than air airship do occupy a large volume of air and they themselves weigh less than this displaced air. Hence the term bouancy and...
Forum: JetCat Turbine Direct Support
02-12-2008, 09:32 AM
Replies: 11
Views: 2,434
Posted By Nick C

RE: Exhaust speed

you can measure both very easily, exhaust velocity with a pitot tube, and the engine air mass flow with a flow tube mounted on the intake, with a static pressure tapping mounted on its wall. You...
Forum: RC Jets
01-15-2008, 06:17 PM
Replies: 24
Views: 4,042
Posted By Nick C

RE: How fast is a Hot Spot with a Wren SS turbine? (a matter of exhaust gas velocity)

with an exhaust gas temp at 650°C and gas velocity of 1050mph the exit mach number drops out at about M ≈ 0.79 , getting close to a choked nozzle....
Forum: RC Jets
01-10-2008, 10:13 AM
Replies: 24
Views: 4,042
Posted By Nick C

RE: How fast is a Hot Spot with a Wren SS turbine? (a matter of exhaust gas velocity)

Sara

You couldn't elaborate on how much faster than 1050mph could you ? or are you leaving that number deliberatley wooly for obvious reasons , :)

We're getting close to the critical...
Forum: Scratch Building, Aircraft Design, 3D/CAD
12-03-2007, 09:40 AM
Replies: 8
Views: 2,000
Posted By Nick C

RE: CAD or Solidworks and how do I

[/quote]


I have been using solid works for less then a year using 2007 professional and I have to say it is awesome and I can do just about anything I want in this short time. So it is quite...
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