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-   -   Heikkis' Silhouette Challenge (https://www.pprune.org/aviation-history-nostalgia/459476-heikkis-silhouette-challenge.html)

RegDep 8th Aug 2011 17:51


Do you all not admire a person of such superior knowledge......
Don't know what to say. If I say I do…… Would it agreeing that not, or what :=

Ach, better say I do admire :ok:

Lightning Mate 8th Aug 2011 17:58

Wanna diagram of BPSK transmission format?

It will be via e-mail so as not to bore the BOFs on thread......:E

Out to dinner again now, so night/nacht.

(oder morgen Noyade)

RegDep 8th Aug 2011 18:00

Yes please Mate.

RR why not talk about the engine. Tell me about it.

skytrain10 8th Aug 2011 19:09

Seems we have lost RR. So what do we know...old biplane photographed presumably at an airshow in comparitively recent times. 2 seater with a single windscreen at the front. Odd looking engine which almost looks too small for it...and whats that paddle like thing sticking out the stbd side? Had dinner now so time for some research.

RegDep 8th Aug 2011 19:13

Paddle-like thing? A muffler?

skytrain10 8th Aug 2011 19:19


Paddle-like thing? A muffler?
That's what I thought, but when you zoom in on it.....I'm not so sure?
Looking at the style of the tents in the background I would say this was taken quite recently...within the last 10 years.

RegDep 8th Aug 2011 19:27

How many cylinders? Two visible this side?

Must be a stupid question, but does one have two-stroke engines like this?

Another question like the above: Is this a three-blade propeller?

Sorry. Had some New Zealand wine. Excellent wine, in fact.

skytrain10 8th Aug 2011 20:38


How many cylinders? Two visible this side?
Not really sure - you could be right.
Gone through Aerofiles and nothing ties up.
That tail is quite distinctive but I cannot place it - but it does look familiar.

Ridge Runner 8th Aug 2011 21:19


American RR?
Not a yank, Ken.

Sorry, I've been otherwise occupied.

Yes, taken at a show in the last few years but the aircraft was, apparently, from the 1920s!

Walter engine on this variant. Originally a radial.

RR

Ridge Runner 8th Aug 2011 21:23

Sorry boys, heading to bed now! Catch you in the morning.

RR

SincoTC 8th Aug 2011 21:31

Evening Guys,

My take on this is that it's an early machine, and judging by the shape of the nose it probably started life with a Radial engine that has fairly recently been replaced with a high revving modern (automobile or marine V-4??) with a reduction gear to suit the original or similar sized two-blade prop.

The cockpit looks very close to the front and I wonder if the new powerplant is a lot lighter than the original donk, so the pilot was moved forward to aid in keeping the CG where it needs to be!

Edit: RR has re-appeared while I was typing and filled in some of the gaps, thanks mate, sleep well :)

Ridge Runner 8th Aug 2011 21:36

I just discovered that this machine is a flying replica of the original.

Night, night.

RR

Edit: Ken, that "paddle-thing" is the exhaust! :)

RegDep 8th Aug 2011 21:51

With all that said, I bid you good night, too. Sleep well.

SincoTC 9th Aug 2011 06:28

Morning all,

Martin, please clarify!


Walter engine on this variant. Originally a radial
The engine on your silhouette doesn't look like any Walter I've seen (but then there's no doubt I haven't seen them all :)), or do you mean that the original 1920's machine had a Walter radial, maybe the 60Hp five-cyl which appeared in the mid 20's before they had names, the Castor 7-cyl seems a little late!

Not had much luck searching so far :ugh: and off to work soon, good luck guys :ok:

P.S. see WC thread, it looks like Bri has upped sticks and retired like he said, a great pity!!:{

RegDep 9th Aug 2011 06:32

Good morning TC :).

I am lost with this one :*

While we are waiting for RR, my take is that what he has said is this version (in general) of this aircraft had originally a Walter radial. But the aeroplane in the challenge picture is a replica (so the engine is something else). How about that?

SincoTC 9th Aug 2011 06:40

Guten Tag Reg :)

Me too! :confused:! I have to go now , will try and join in at break times. Happy hunting!

RegDep 9th Aug 2011 06:53

How about something like Aero A.34?

Lightning Mate 9th Aug 2011 07:02

Morning all.


Walter engine on this variant. Originally a radial.

As TC said, this doesn't look like any Walter.

This is very confusing and I think RR needs to clarify this.

HappyPass 9th Aug 2011 07:11

Morning!
What, TC confused!?
Then this on must be really hard...

I will be away for a few days, so I thought I stopped to say hi. :)

Ridge Runner 9th Aug 2011 07:13

Sorry for any confusion!

The variant on which this replica is based was powered by a 85hp Walter. I can't find any refernce on line that says what the engine actually is on the challenge machine! It is current, flying as recently as 2009. European. Originally produced in the 1920s. Eight were produced. Two-seater with both sat in one open cockpit.

RR


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