REFLECTOR: Deltahawk engine

Scott Derrick scott at tnstaafl.net
Sat May 7 09:41:45 CDT 2005


J.P.,

Its nice to see your confidence in the product.

However, we here in New Mexico are still waiting for you to "show us 
your stuff".

I think you boasted you could do a fully loaded Velocity with a 160 HP 
Deltahawk, take off from Mid Valley in the summer.

we're still waiting....

Scott


J.P. Brooks wrote:

> Gentle pilots,...   first, I don't set the pricing.
> I believe it is $4000 extra.
> People want power and power we deliver.  One could even run the engine 
> at 250 hp but TBO would be reduced.  Not being evasive here gents.  
> There are some differences that cost money.  Time involved with three 
> engineers in the dyno, on the aircraft and digesting data takes a bit 
> more time that 1 day and they tend to like food with their 
> meals......  ;-)
>
> With intercoolers we've heard that you receive approximately 10-15% 
> boost because your able to densify that much more air and add 
> proportionately more fuel for a bigger "bang".
> Doug has told me that the engine can take this extra pounding since we 
> way over designed it, but that remains to be proven empirically.
>
> We can always reduce the price, which makes you a happy pilot.  When 
> we increase prices you are not so happy anymore.
>
> Now for a short story: (eye rolls please)
>
> Once there was this fine tuned factory that was maxed out putting out 
> the finest machines in the world.  One day, the one machine that 
> controlled all of production stopped halting the entire production 
> facility.  The owner called the one and only person in the city that 
> knew about this machine.  He came to the plant where thousands of 
> employees were standing waiting for his arrival since this huge 
> facility was idle now.  He stepped up to the machine, looked it over.  
> Opened his bag and took out a tiny hammer.  He gently lifted it and 
> with one small stoke tapped the machine.  Instantly, it roared back to 
> life and everyone scrambled to their work stations smiling.  The Owner 
> said "send me the bill" smiling.  The skilled repairman send him the 
> bill simply printed at $4000.  When the owner got the bill he was a 
> bit angered at the charge.  He wrote back the Repairman and ask for an 
> itemized copy of his bill.  The next week it arrived.  The owner 
> opened it up and read the two entries.
>
> Hammer: 1$
>
> Knowing where to tap the machine: $3999
>
>
> It takes money to find out the fit.  It takes money to flight test.  
> It takes money to get the knowledge of how it will  affect all other 
> aspects of this engine.  In fact, we spent over $400,000.00 (USD) 
> defending ourselves back in the late 90's because someone thought we 
> had stolen their ideas.  We hadn't.  This is a clean sheet of paper 
> genesis.  We burn through a tremendous amount of money a month just to 
> slide that little key into the knob and turn it, AND, with no cash 
> flowing in after 10 years.  We surpassed the 5 million dollar mark 
> last December.  I know because I wrote the $100,000 check along with 
> my wife's approval (great wife, eh?).  We would love nothing more than 
> to give away HP, but again, gentle pilots,......   we can't.  But 
> everyone who calls us asks us the same questions:  How much will the 
> 200 HP go for?
>
> Did anyone notice that the A4 is the same as the V4?   That did cost 
> us some money and weeks of engineering on Carl/Dave/Doug and Deans part..
>
> There I go again mouthing off where is should just shrug my shoulders 
> and just say "shucks guys, I don't know".
>
> I hope I get the chance to race Mr. 540 to 30,000 feet, or more.  "Oh 
> no, not another challenge that I cant' fly now but must in the 
> future."  JP just stow it till you can do it.
>
>
>
> At 03:04 AM 5/7/2005, you wrote:
>
>> ...so what are the differences that justify the extra $5,500 beyond 
>> the intercooler JP? - the lack of an answer to that question has me 
>> intrigued..
>>
>> Greg in Sydney.
>>
>>
>> ----- Original Message ----- From: "Richard Riley" <Richard at riley.net>
>> To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
>> Sent: Saturday, May 07, 2005 10:56 AM
>> Subject: Re: REFLECTOR: Deltahawk engine
>>
>>
>>> At 09:30 AM 5/6/05, you wrote:
>>>
>>>> You are the first of many I expected to say that.
>>>> Good luck and don't forget to tell us all how it is coming along 
>>>> after you receive you engine
>>>
>>>
>>> I'm sticking with my 540, thanks.  I'm working with a division in 
>>> Irvine that you're familiar with, but on my personal airplane I'm 
>>> staying with 50 year old technology for the time being.
>>>
>>> My point is that there are surely more differences than an 
>>> intercooler, if only the fuel injection map.
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>>
>>
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>
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