Bazz Bomb (oz3156)


Bazz Bomb (oz3156) by Basil Murley 1964 - plan thumbnail

About this Plan

Bazz Bomb. Bazzbomb. A 3-1/2 in span single channel R/C aerobatic model, from Aeromodeller October 1964.

Quote: "37-1/2 in Wingspan Single Channel Radio Control Aerobatic Model. Bazz Bomb, by Basil Murley

ABOUT TWO YEARS ago the author decided that some serious reconsideration was required concerning the type of rudder-only R/C aircraft that was needed to eliminate those frustrating delays on the ground through damage or unsuitable weather. The result was Bazz Bomb, A highly manoeuvrable design was required to facilitate landing approaches and also for the sheer fun of being able to throw it around the sky.

On the basis that the undecarriage was merely a tripping-tip device, introducing extra weight and drag, it was eliminated from the project, a move that has not been regretted. Bazz Bomb will make a good landing on any soft surface from mown grass to a ploughed field without overturning or damaging the undersurface.

Designed to have maximum longevity and crash resistance (the author does not like building aeroplanes!) weight became a secondary consideration.

As the designer is a radio enthusiast first, and aeromodeller second, great attention was paid to the 'innards' - nothing less than 100 percent reliability was the aim, and so far this has been achieved as no failures have been experienced in over 3,000 flights spread over two years. Of many receivers of all types made and tested one was really outstanding - this was the UK (RCME June, 1961) adapted to relayless, it scored on all points: range, reliability, selectivity, freedom from interference and swamping. Only drawback for some modellers may be the slightly more complex battery supply, but as large capacity batteries have been used, they were wired in and virtually forgotten for months.

It was felt that Buzz Bomb could not be flown with a compound escapement as they are usually a trifle slow in operation and in any case it will be found that after a turn, opposite rudder is required to straighten the model. With a sequential escapement it is there waiting for you - no thinking required about which is left or right! Therefore, the actuator used was the Elmic Conquest. This was given a thorough inspection to ensure that everything was functioning before and after installation, also that it would pull in when the rubber was fully wound when using only a 3 volt battery supply..."

Supplementary file notes

Article. Thanks to AllanWarner for adding the missing last page for this.


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Bazz Bomb (oz3156) by Basil Murley 1964 - model pic


Bazz Bomb (oz3156) by Basil Murley 1964 - pic 003.jpg

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User comments

The Bazz Bomb was a big part of my early years in aerobatics. Rolls and loops were possible with this 'bang bang' single ch model with a Cox TD 09 singing away up front ... bliss :)
KenBinks - 08/09/2016
I well remember watching these fly on Wanstead Flats back in the early sixties. I was just a teenager and was in awe as all I had was a free flight Veron Cardinal. Fond memories ...
bugsy - 13/05/2018
No c of g marked on plan?
DK - 09/06/2020
I can't see it, no. The article says to position CG as on the plan, so I guess there must have been a mistake, or a problem with the magazine printing. Would be interesting to see a scan of the full size plan, maybe that shows it.
SteveWMD - 10/06/2020
Hi Steve, If you look at this photo [pic 003] on this old listing [from ebay] the CofG is marked. It's where you would expect it to be :) All the best,
Bert - 11/06/2020
Excellent. Many thanks Bert.
SteveWMD - 11/06/2020
Hi all, Just test flown mine on 2 channels ..fitted elevator ..sorry basil .
PAW 1.49 DS upfront and it flies like a dream .
It’s not often I get 10 flights out of a new model on first day out .
I hope the designer is still around to read this ..I think there may be a few designers that used this design as their inspiration!!
The glide is also fantastic!!
Darren knowles - 14/06/2020
I used to fly at Wanstead Flats, which was Basil's home field. Most of the club flew the Bazz-Bomb at that time, and Basil was an inspired pilot who really showed us what could be done with an escapement-driven rudder, lots of power and down-thrust. Sadly, Basil passed-away still relatively young.
Colin Stevens - 26/04/2023
Hi watching the Bazz Bomb was a joy to see. I was 16 at the time and was into control line combat planes. That little plane the bas bomb was awesome. I am 75 now and still remember those happy days at wanstead flats. R. I. P. Bazz
Mike - 13/10/2023
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