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Search: Posts Made By: jfrost
Showing results 1 to 25 of 25
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Forum: Wren Turbines USA
05-11-2011, 02:11 PM
Replies: 3
Views: 998
Posted By jfrost

RE: Turbine powered foamy

Yesterday after this miserable weather spell we had last few weeks I have done 3 inspection flights, all under full control, she is a beaut exactly what I have expected, love it, Joe.
Forum: Twin & Multi Engine RC Aircraft
05-02-2011, 10:19 PM
Replies: 3
Views: 929
Posted By jfrost

RE: C-130 ARF... Where to find one....

Model Engines in Victoria should have lot of them, 18 month ago I converted mine from IC to E/power, lot better one to one power to weight ratio at over 8kg AUW, Joe.
Forum: Wren Turbines USA
04-26-2011, 10:41 PM
Replies: 3
Views: 998
Posted By jfrost

RE: Turbine powered foamy

All sorted out, ready to go for maiden just waiting for this horrendous wet and windy Easter crap to clear up, Joe.
Forum: Wren Turbines USA
04-24-2011, 02:57 PM
Replies: 3
Views: 998
Posted By jfrost

RE: Turbine powered foamy

Yesterday had very dissapointing day with my first go as fully completed model. My "GONCOOLATOR" that's how we call 'Data display terminal' started to play up by going on and off, due to faulty wire...
Forum: Wren Turbines USA
04-22-2011, 03:20 PM
Replies: 3
Views: 998
Posted By jfrost

Turbine powered foamy

This is my fully completed foamy at 8'6" long, 6kg wet AUW just about 1 pound heavier then expected thanks to over 1 kilogram (2lb+) of epoxy used. I could have saved easily 1lb if used very slow...
Forum: Wren Turbines USA
04-19-2011, 12:18 AM
Replies: 8
Views: 1,471
Posted By jfrost

RE: Wren44 question

I decided to replace the fuel pump on my W44G for the smaller capacity one and test it on the bench, I have found it runs lot smoother with better throttle response so I'm sticking with it ready to...
Forum: Wren Turbines USA
04-17-2011, 01:35 PM
Replies: 8
Views: 1,471
Posted By jfrost

RE: Wren44 question

Well on my way finishing off my build, just started painting so I can fitted up with the power unit and finished off with the landing gear for the maiden in couple of week time, Joe.
Forum: Wren Turbines USA
04-15-2011, 11:24 PM
Replies: 2
Views: 1,292
Posted By jfrost

RE: Kero start now available on all Wren motors

Hi Ron, what would be better fuel pump to use in "W44G" 28020 or the latest 28015??? Joe.
Forum: Wren Turbines USA
04-07-2011, 11:20 PM
Replies: 8
Views: 1,471
Posted By jfrost

RE: Wren44 question

Hi Guys, great news today that after two calib. bench runs " W44G " starts and runs immaculate so I'm going full speed to start on my jet depron/foamy build, Joe.
Forum: Wren Turbines USA
04-07-2011, 02:10 AM
Replies: 7
Views: 1,917
Posted By jfrost

RE: Wren 44

Thanks John, I didn't realise you had the Mark1 engine, Regards Joe.
Forum: Wren Turbines USA
04-07-2011, 01:12 AM
Replies: 7
Views: 1,917
Posted By jfrost

RE: Wren 44

Hi John, just looking at your figures they vary so much to mine. Can you tell me which pump are you using? Really puzzled that you are running only 4.8v, did you have to change your values because...
Forum: Wren Turbines USA
04-06-2011, 06:51 PM
Replies: 8
Views: 1,471
Posted By jfrost

RE: Wren44 question

Hi Guys, I'm hooking up my W44 on bench to get accustomed but I got few queries. The pump "28020" got 6mm tube on intake and 3mm output which puzzels me a bit? After speaking to couple of suppliers...
Forum: Wren Turbines USA
04-01-2011, 01:04 PM
Replies: 8
Views: 1,471
Posted By jfrost

RE: Wren44 question

Thanks Ron, any idea which model is this? (pic) BTW, did you mean while everything connected so the f/solenoid opens up? I assume, Joe.
Forum: Wren Turbines USA
03-31-2011, 11:47 PM
Replies: 8
Views: 1,471
Posted By jfrost

Wren44 question

Hi guys, is there fuel pump "prime up" function in W44G TCU? After going through the instruction book I can't find it anywhere, Joe.
Forum: Wren Turbines USA
03-13-2011, 10:48 PM
Replies: 1
Views: 1,030
Posted By jfrost

WANTED Wren44

I'm looking for 4.5kg turbine, at reasonable cost. Anyone want's to get rid off W44? Preferably "down under", new Depron project, Joe.
Forum: Electric RC Jets
03-09-2011, 07:34 PM
Replies: 6
Views: 1,235
Posted By jfrost

RE: Foam EDF question and Electric retract question

If anyone recommends up to 3.6kg, you can just about half it and it may be just about it's limit, believe me I been there I have done it. If you know of anything new and solid, please let me know, I...
Forum: Electric RC Jets
03-07-2011, 01:59 AM
Replies: 6
Views: 1,235
Posted By jfrost

RE: Foam EDF question and Electric retract question

I'm no familier with your Mig I fly "FlyFly Mig 29" with twin 90mm set up. I use on everything 5 or 30min. epoxy. 2nd., Upgraded metal plates "DSR 2" are great elect. retracts but I wouldn't use them...
Forum: Electric RC Jets
03-05-2011, 11:10 PM
Replies: 1
Views: 952
Posted By jfrost

BIG, BIGGER and the BIGGEST EDF

Hello Guys, something different, I just finished building my largest foamy EDF model as an experiment. IT is fitted with "127mm RAMTEC/Scorpion 7.5Kwatt " power unit running on 12S with "CC160" ESC....
Forum: Electric RC Jets
02-17-2011, 09:16 PM
Replies: 3
Views: 803
Posted By jfrost

RE: EDF JET MEET

Anyone interested in EDF models? It is on this Sunday, all welcome, Joe.
Forum: Electric RC Jets
02-13-2011, 09:10 PM
Replies: 3
Views: 803
Posted By jfrost

EDF JET MEET

Hello Guys, it is on again! "E-JETS 2011" Sunday, FEB.20th. at Tingalpa Model Aero Club, Brisbane, QLD. Australia ( for info 07/3390 6884 ) I will be demonstrating my latest 90mm/12S "DEPRON" design...
Forum: Gas Engines
09-14-2007, 03:20 AM
Replies: 4
Views: 975
Posted By jfrost

Edge 540 (84" power 3W55i)

"Edge 540" (84 inch) power "3W55i". Pittstyle muffler.
Take-off weight 8kg (850 ml fuel 40/1). Static test using various propellers: 14/9/07 at sea level,
warm day, 25 degrees Celsius.
...
Forum: Gas Engines
09-07-2007, 05:35 AM
Replies: 7
Views: 951
Posted By jfrost

RE: 3W55I engine in Edge 540 (84")

Thanks for your reply, I have tried leaning the main needle - I managed to get 6300 maximum RPM using
23/8 wooden prop, but it was too lean because soon after it sagged and RPM fell below 6000 and...
Forum: Gas Engines
09-07-2007, 05:31 AM
Replies: 7
Views: 951
Posted By jfrost

RE: 3W55I engine in Edge 540 (84")

Hi, thanks for your reply re 3W55I engine, after checking RPM with tach at half stick 5600 and
full stick 6000. This was the most consistent RPM after I tried to lean main needle I got 6300 at
...
Forum: Gas Engines
09-05-2007, 04:07 AM
Replies: 7
Views: 951
Posted By jfrost

3W55I engine in Edge 540 (84")

What is ideal static RPM using 23/8 prop? It hovers well at half stick,
but very sluggish between half and full. Thanks for any suggestions.
(Edge 540 - 84", 8 kg wet, using 3W/Wood 23/8, pit...
Forum: Forum questions or problems
09-05-2007, 03:58 AM
Replies: 0
Views: 443
Posted By jfrost

3W55I engine in Edge 540

What is ideal static RPM using 23/8 prop? It hovers well at half stick,
but very sluggish between half and full. Thanks for any suggestions.
(Edge 540 - 84", 8 kg wet, using 3W/Wood 23/8, pit...
Showing results 1 to 25 of 25


 
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