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> Gas/Glow Engines & parts > Gas Engines
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Hobbyking Pulse Jet Gasoline Engine "Red Head" with Ignition System

Hobbyking Pulse Jet Gasoline Engine "Red Head" with Ignition System
Hobbyking Pulse Jet Gasoline Engine "Red Head" with Ignition System

Have you heard the BUZZ? Pulse jets are the Bees-Knees. 

Pulse Jets are not new, they were around before the turn of the century.  They were made famous however when the Germans used them to power the V-1 flying bomb. These were dubbed the “buzz bomb” due to the distinctive sound made from the pulse cycle of the shutters and combustion at such a high rate.

Jumping forward a few years, due to their simple design they made their way into the early days of modeling. Pulse jets were used by the hardcore modeler breaking records and they strapped them to anything that moved! Anyone that has ever seen or heard one run in person will never forget it.

The HobbyKing Red Head Pulse Jet is a retro flash back to the days of modeling where nearly everything was an experiment and the possibilities were endless. Anyone that has ever seen the old pulse jets have instantly had ideas (some smart, some not so smart) of strapping one to something or another. Now is your opportunity!

The Red Head Hobbyking valve pulse jet is classic in design and yet modern in quality. It runs on just plain old gasoline (no oil needed), starts with a bicycle pump and comes with just about everything needed to fire it up including the ignition system to the mounting hardware, spare parts and reeds. 

Hobbyking’s Red Head Pulse Jet Engine is perfect for anyone looking to feel nostalgic and strap it to a model, place it on their mantel, or take into the garage and upset their neighbors.

Specs:
length: 550mm
Diameter: 64mm
Ports/Reeds: 10
Weight: 460grams
Thrust: 1.6 kilograms (3.52 lbs)
Fuel: gasoline (no oil required)
Ignition: external igniter box 20kv (only needed for starting)

Included:
Red head Pulse jet engine
Spare parts (to include reeds and spark plugs)
Mounting Clamps
20kv igniter

Required:
2~3 cell lipo with XT60 connector (for igniter)
Gasoline safe fuel tank and fuel line
Bicycle tire pump or other air source capable of 40psi (for starting)
Hearing protection

**Note: This is not a toy and gasoline is dangerous. Proper use and safety must be considered and exercised before, during and after use.


PRODUCT ID: 9171000211

This product available from a warehouse near you!


Weight: 1901g Quantity: 
United States Warehouse In Stock View Item
stock
OK
Price$99.99


acc.
  • Silicon fuel pipe (1 mtr) Yellow for Gas/Nitro Engines 4x2.5mm

    Combo Price: $1.45   IN STOCK

  • Turnigy nano-tech 1300mah 3S 25~50C Lipo Pack

    Combo Price: $10.05   IN STOCK

  • Hobbyking Pulse Jet Gasoline Engine "Red Head"

    Combo Price: $70.95   IN STOCK

  • Pulse Jet Ignition System 20KV Igniter Box

    Combo Price: $25.76   IN STOCK

  • Replacement Reed Valves for HobbyKing "Red Head" Pulse Jet Engine (5pcs/Bag)

    Combo Price: $1.95   IN STOCK

  • Replacement Fuel Nozzle Assembly for HobbyKing "Red Head" Pulse Jet Engine

    Combo Price: $1.78   IN STOCK



Further discounts available for registered & logged-in customers.
 Customer rated
49
crowns
  
 
Total of 279 discussions.
Othernick  17 points - 7/22/2014
 
Am I crazy? The price was 99.00 or am I wrong?
__kero  5 points - 7/9/2014
 
I made a new head for my Bailey Fast Jet using A Venturi Booster set up like cars use and tried it out on a Hobbyking PJ.It worked Very well on Metho & evan more thrust with the Bailey pipe .The Dyna type head has a seface area in the throught of 4.5cm3 & my Booster set up is 6cm3 and runs on the same main jets.And on Metho it starts OK.Dyna jets are over 70years old now and need to be upgraded.Hobbyking needs to invest in a modern pipe making Machine like Bailey & Jet bill used.One of my Hobbyking pipes split up in every way also.Ribish bin job.Good job they are cheep as thats all they are worth.
Matthew  5 points - 7/2/2014
 
https://www.youtube.com/watch?v=I3XXe0n5RAA
Matthew  5 points - 7/2/2014
 
Here is a cool video of it being used in a classroom!
manolo  8 points - 6/21/2014
 
after 5 flights I am disappointed with the quality of the tube hobyking combustion chamber. I had it open by welding. without any accident. Pulse jet engine have 8 some o.s. Dynajet another. never were broken as hobyking. more resistant wall. Deven lim**** no welds. hobyking eat in welds to improve aesthetics. the wall was only 0.2 in the welds. my hard pulsorreactor just 5 flights. I'm disappointed. 99 dollars spoiled
 Colin 1 points
Where exactly did the weld fail?

Was it in the Combustion Chamber, the Reduction part where the Combustion Chamber shrinks tot he Tail Pipe or the Tail Pipe?

Did you run the unit for extended periods of time statically?

Did you check the unit when it arrived for Weld Issues? Like indentations in the welded seams which indicate a problem with the weld.

Many years ago I had a OS Pulse Jet do the same thing in a Hand Launched plane but it was known to have a issue with the weld as it was obvious when the unit arrived new. I had a OS Pulse Jet many years ago and both units look exactly the same admittedly with 40 years difference between holding the 2 different units in my hands and as I no longer have the OS unit it's not possible to do a direct comparison between the two.

Also for those wanting to find a plan Outerzone has a few for Dyna Jets under RC Plans though they are not listed as such you'll have to go looking but there is a Phantom and several others that take Pulse Jets available on their Web Site.I was looking for something a few days ago and saw them then. I didn't get around to making a list of what they had but if you want a plan they are certainly there.

Col
 manolo 8 points
union in the curve. camara tube. welding this devilitada by grinding the surface for smooth finish. deverian leave them no welding and cleaning. especially weakened.
 Colin 1 points
I'll try again and see if this post disappears this time as well.

Sounds like a Manufacturing fault so I would instigate a Warranty Claim with HK.

Though to be fair to HK they get many complaints that the welds are not pretty enough and most people want them ground to look smooth which with TIG Welds weaken them. Just one of the things that people want looks over functionality.

Though to be fair to HK there are so many things that can go wrong with welds that having a few failures is to be expected I suppose. The real problem here is that people who can do the job are not considered as the workers we need they must be cheap and that most times means inexperienced. Production Lines just tell people to do X and then pass the thing onto the next in the line and the reality of the situation is that no one has any real training they just go through the motions.

Last week I saw a Mobility Aid where 3 or the 4 wheel bearings had collapsed and every one was a direct result of incorrect fitting. 2 diagonally opposite where not put in properly and where croocked resulting in part of the outer race being overloaded and failing and the other was tighten way too tightly which pulled the bearing apart. The incorrectly fitted ones should have been fitted by different people so that was a worry and the overtightened one I suppose was a result of the production line worker being told to do it up tight and their idea of tight was totally different to the person telling them what to do. It's one of the issues with people on Production Lines they are inconsistent and things get through. However if they use Robots they have a fairly uniform output but it of course means that if something is programmed wrong they get 100% problems not the occasional one.

I was looking at the plans of a Canberra Bomber recently and thinking that as it uses 2 Pulse Jest there would be a major issue with one running too long while you start the other so I could see problems arising with that airframe though it did look nice.

Col
Customer Reviews
Overall Rating
tyro185
8 likes
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Quality
Like it?
I hope HK will start selling spare reed valves for these pulse jets in time, very important replacement part that should be offered for sale.


1 comment. Reply..

Overall Rating
FLGOFF Andrew
26 likes
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Hi all, I purchased this 7 days ago, got to me in Australia in record time, thanks hobby king My pulsejet was better quality with regards to welding and oval shape as listed in rv model reviews YouTube video, so maybe one for quality control, but I got. Good one so I'm not complaining. I wanted to see if it actually works, and it does! Nice and loud, I followed the instructions included, and it all works well. Awesome petrol to noise converter! http://youtu.be/3kiJeztHolE


1 comment. Reply..

Overall Rating
TOMRE
58 likes
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Pulsejet arrived today, took two weeks. Body is made from relatively thick stainless steel compares to other pulse jets and the welding is satisfactory. They did get a little over enthusiastic with the grinding down of the welds on the outside though. Valve head is nicely machined, but it is covered in small but sharp burrs, including where the valve closes, preventing it from sealing. After deburring, all looks good.The mounting straps are excellent and the ignition system works really well.


4 comments. Reply..

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Overall Rating

10 likes
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endlich ein super pulso muß ich nur noch testen!!


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Overall Rating
IRONMAN
26 likes
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Like it?
Cant fault the valve head, mine was perfectly machined . The weld was a bit uneven, but what the heck only about $99! what do you expect foryour money!
Bad news is I could not get a consistant start, it was either too lean or flooded, mind you the air temp. was 2 degrees C!. Too cold perhaps?
Anyone got any Hints? was using staight unleaded petrol tank approx 10mm lower than jet.
Possibly an in line needle valve?


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