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tamjets | RC-Warbirds Blog
Jul 9 2012

E-flite F-4 Phantom JetCat P20 Turbine conversion

EFL8125-GAL15Thanks to Tam for this great video of a EDF E-flite F-4 Phantom converted to be powered by a JetCat P20 turbine.


Contact us or Tamjets if you are looking for a conversion kit for your E-flite F-4.

Enjoy the Video !!!


Sep 19 2011

JetTeng L-39 P-20SE Turbine conversion by TamJets

Nice video of a Jet Teng (JTM) L-39 powered by a JetCat P-20SE Turbine.
Conversion done by TamJets.


Contact us for more info on Turbine conersions for JetTeng, HET, E-Flite and TamJet EDF Jets.

Mar 27 2011

Build Log: TamJets F-16 with JetCat P-20 (part7)

It’s been quiet around the F-16 for far to long !!

In the meantime the pipe has arrived from Grumania in Germany.
A piece of art. Super light weight and double wall !!



Installation of the pipe was done in a few minutes.
As Ilja had send me the weight of the pipe I was able to set the CG before the pipe arrived (how many sheets of paper do you have to roll up to get 80 grams??)



As soon as the pipe was inside the plane I did the first test run of the engine.
During the first run I noticed that the engine did not throttle up smoothly – if JetCat says that the fuel line from pump to turbine needs to be at least 110cm (not mm) = 1.1 meter, then better follow the instructions.

Fuel line extended and “TATAAAAAA…” the throttling up is smooth.


Enjoy the video of the JetCat P20-SE with KeroStart spooling up…

Jan 22 2011

Build Log: TamJets F-16 with JetCat P-20 (part6)

Done !! (well except for the pipe which has not arrived yet).


Once the jet pipe has arrived from Gumania the engine can be started and the plane will be ready for maiden.



In summary: a very nice plane to build – quick and easy.
(a pre-installed rudder -which was also available from Tamjets- will make the installation even quicker).


Jan 18 2011

Build Log: TamJets F-16 with JetCat P-20 (part5)

Nearly done

To mount the Dubro 600ml (20oz) tank as close to the CG as possible, I have installed a wooden frame over the retract bay.
The top surface of the wood is coated with a thin layer of silicone. Once dry the “anti slip” effect of the silicone allows me to install the tank with 2 velco straps. This makes removal easy.


The turbine bay and servos are protected by a layer of TamJets Heat Shield Blanket and fire retardant foam tape.
The TamJets Hopper Tank is installed beside the main fuel tank near the steering servo.


The retracts are operated by one of our AirPower EV-2 electronic retract valves. The brakes are driven by a AirPower EV-1 brake valve.
As the gear doors stay open once the gear is out, I decided to use a single action EV-1 valve for the doors as well.
The door open airline is connected to the retract down airline. This will open the doors as the same time the gear is deployed.
The door close airline is then connected to the EV-1 valve which is driven by a separate delay mixed channel on my JR Transmitter.
Once the gear is retracted, the door close valve is activated automatically after a 2 second delay (servo speed setting) and closes the doors.


The Turbine pump and ECU, fuel valve and kero start valve are all located in front of the cockpit area to make it easier to set the correct CG later (I calculated with a pipe weight of 80grams).


The last item still missing (it slowly travels to Singapore by German Post) is the Grumania P-20 Pipe for the F-16.
Double wall, titanium pipe with only 76grams.. very sexy..

Mini Titan

The pipes are custom made and available from Grumania and of course via our webshop

Jan 11 2011

Build Log: TamJets F-16 with JetCat P-20 (part4)

Welcome to Part 4 of the building log. I’m close to finishing the F-16 now.
I manufactured 2 rails from plywood and glued it to the main fuselage former and fuselage sides.

The rails are a bit to low for the proper thrust line so 6mm plywood doublers are added at the mounting location.


A plywood triangle at the rear further supports the rail on the fuselage walls.



The JetCat P-20 fixed in place (with DIY mini FOD) ..


Jan 6 2011

Build Log: TamJets F-16 with JetCat P-20 (part3)

Next step:

Taileron servos and tailerons installed.
This step is very well prepared from the factory. Just slide them in and attach the horns. Done !!!

TamJets F-16 with JetCat P-20

TamJets F-16 with JetCat P-20

Cockpit “glass” cut out and glued into place with Pacer canopy glue.

TamJets F-16 with JetCat P-20

After it dried for 24 hours, the Pilot moved in.

TamJets F-16 with JetCat P-20

As his previous home was a HET F-18, I had to rebuild the cockpit floor from glassed balsa sheet.

Jan 2 2011

Build Log: TamJets F-16 with JetCat P-20 (part2)

Happy 2011 everyone !!

I finished the installation of the retracts and routed the airlines.
The intake duct is installed – I will have to cut it down later to install the fuel tank.


The EDF Version I’m converting does not have a rudder, so I decided to modify the plane and cut/install a working rudder for those cross wind moments.



The pictures below show how I cut out the rudder, added balsa to close the rudder and fin.


At the end I added a layer of light glass to the rounded edge so it an be painted. Looks quite good after the paint job.



The Rudder Servo is a Hitec HS-85MG which is installed in the small box below the rudder. A pin from the rudder will go into the small groove in the servo arm to drive the rudder.




Dec 31 2010

Build Log: TamJets F-16 with JetCat P-20 (part1)

after playing around with various airframe options for the new JetCat P-20 I have decided to start building on a TamJets F-16 in 1/12 scale (below videos helped me a lot to make up my mind ) and plant the little turbine into this model.

Other candidates for the P-20:
- Jet Teng BaeHawk
- Jet Teng L-39
- Schuebeler Bae Hawk
- Schreiner/Savex L-39
- Aero-naut Panther
- Aero-naut Rafale (120mm fan version – not sure if this will work with the P-20 as the pipe might reduce power to much….)

Some videos of the Tam F-16 with P-20 in action:


The following components will be installed in the F-16 (they can be found on in our webshop):

- Tailerons: Hitec HS-5665MH (2x)
- Rudder: Hitec HS-85MG (1x)
- Steering: Hitec HS-225MG (1x)

Retracts: Tamjet Mini Air Retracts (4mm wire)
Brakes: TamJets Brake (4mm wire)
Wheels: MPI Wheels with 2” for the mains and 1.5” for the nose
Retract Valve: Airpower EV-2U (1x)
Brake and Door: Airpower EV-1U (2x)

Turbine: JetCat P-20
Tank: Dubro 20oz Tank
Air Trap: TamJets Airtrap tank

RX: JR RD921 9 channel 2.1 Ghz


Starting the build – First Task:

- Cut gear doors
- Install Retracts, doors and cylinders

TamJets F-16 with P-20

I first tried to cut the doors with a saw but had some issues with chipped paint so I switched to a hot knife which worked much better.
Although my version of the F-16 was already from the new batch (with some additional re-enforcements to the retract mount), I decided to add one more layer of carbon to the front of the spar (to much I guess but it looks good….kind of…… ).


I also added the additional block to the wing mounting area (although it would not be required).


Gear door hinges installed and air cylinders fitted (the nose door cylinder comes from a TamJets Gear door install kit, the main cylinders are Airpower 12mm stroke cylinders).


Jun 24 2010

RC-Warbirds Newsletter June 2010



RC-Warbirds will be closed for summer holidays from 25th June till 19th July.
Orders placed after 23rd June can therefore only be shipped once we return on 19th July.
We are sorry for the inconvenience caused.
We wish you and your family a great summer vacation (with good weather for some RC flying). And our customers in the southern hemisphere a great winter with some time to prepare the models for the next season ;-) .

Your RC-Warbirds Team


Typhoon 700 Motors

HET-RC Typhoon 700 MotorThe new line of High End RC Typhoon 700 Motors are designed for high power EDF jet applications. With a can length of 60mm and 68mm these motors are designed for output powers of more the 3000kW for lipos ranging from 5S all the way to 12S.

Starting with the 10-12S Typhoon 700-68 we now have the first motors in stock.

New motor types are arriving nearly on daily basis. Make sure to check out our webpage frequently

Lipo and current draw recommendations are listed for each motor type on our webpage.



quick disconnect airline2 pairs of Quick Connectors for retract air lines and retract tubing. Allows for easy separation between wing and fuselage airlines for retracts or brake systems.
Also available as self closing valves (to keep air from leaking out when disconnected).

quick disconnect with closing valve airline


HD T-Connector

T connector air lineSet of 10 High Density Plastic T-Joiners for Airlines. Suitable for 1/8” and 3mm retract and brake airline.
Also available as X connector with 4 ends.
.x connector airline


EZ Wing Servo Mount

ez wing servo mountWing servo mount special make for JR 168 or Hitec 5125. Mounting servos has never been easier before. Just glue the base to your servo hatch or wing skin and screw the servo in place.


EZ Servo Mount – Medium

ez medium servo mountMounting servos has never been this easy than before. Why bother spending hours to install your servo. Go the easy way.
The Medium size servo mount comes with a #2 screw hardware package. This Medium Servo Mount is best suited for servos such as the JR 9411, 9011 and any other servo with a housing length of around 35mm (1.37 ”)
Also available as Standard Mount.
Will fit most Standard Servos such as the JR 537, 2721, 8411. Hitec 335, 635, 5645, 5945, 5975 and standard Futaba servo.
.ez standard servo mount


Tamjets – Servo Screws

tamjets servo screwTamjets #2 Servo Screws with hex head.
Length: 7/16" (11mm)
Quantity: 100 pieces
Easy installation of servos at difficult locations with the hex head and the help of a ball head allen key.
Also available with 9/16" (14mm) length.

hex head servo screw

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